diff --git a/apis/cloudwatch/src/main/java/org/jclouds/cloudwatch/CloudWatchAsyncClient.java b/apis/cloudwatch/src/main/java/org/jclouds/cloudwatch/CloudWatchAsyncClient.java
index c5d36c8e6d..25b9978ba3 100644
--- a/apis/cloudwatch/src/main/java/org/jclouds/cloudwatch/CloudWatchAsyncClient.java
+++ b/apis/cloudwatch/src/main/java/org/jclouds/cloudwatch/CloudWatchAsyncClient.java
@@ -52,7 +52,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = "Version", values = CloudWatchAsyncClient.VERSION)
 @VirtualHost
 public interface CloudWatchAsyncClient {
    public static final String VERSION = "2010-08-01";
diff --git a/apis/cloudwatch/src/test/java/org/jclouds/cloudwatch/CloudWatchAsyncClientTest.java b/apis/cloudwatch/src/test/java/org/jclouds/cloudwatch/CloudWatchAsyncClientTest.java
index 33d405718b..2f4b4f2ce3 100644
--- a/apis/cloudwatch/src/test/java/org/jclouds/cloudwatch/CloudWatchAsyncClientTest.java
+++ b/apis/cloudwatch/src/test/java/org/jclouds/cloudwatch/CloudWatchAsyncClientTest.java
@@ -77,7 +77,7 @@ public class CloudWatchAsyncClientTest extends RestClientTest<CloudWatchAsyncCli
       assertNonPayloadHeadersEqual(request, "Host: monitoring.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-08-01&Action=GetMetricStatistics&Statistics.member.1=Average&Period=60&Namespace=AWS%2FEC2&MetricName=CPUUtilization&StartTime=1970-01-01T02%3A46%3A40Z&EndTime=1970-01-01T02%3A46%3A40Z&Dimensions.member.1.Name=InstanceId&Dimensions.member.1.Value=i-12312313",
+               "Action=GetMetricStatistics&Statistics.member.1=Average&Period=60&Namespace=AWS%2FEC2&MetricName=CPUUtilization&StartTime=1970-01-01T02%3A46%3A40Z&EndTime=1970-01-01T02%3A46%3A40Z&Dimensions.member.1.Name=InstanceId&Dimensions.member.1.Value=i-12312313",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
diff --git a/apis/ec2/src/main/java/org/jclouds/ec2/services/AMIAsyncClient.java b/apis/ec2/src/main/java/org/jclouds/ec2/services/AMIAsyncClient.java
index 19e87c0b70..63cc190b8e 100644
--- a/apis/ec2/src/main/java/org/jclouds/ec2/services/AMIAsyncClient.java
+++ b/apis/ec2/src/main/java/org/jclouds/ec2/services/AMIAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.util.Map;
 import java.util.Set;
@@ -29,12 +28,11 @@ import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
 import org.jclouds.aws.filters.FormSigner;
-import org.jclouds.ec2.EC2AsyncClient;
 import org.jclouds.ec2.binders.BindUserGroupsToIndexedFormParams;
 import org.jclouds.ec2.binders.BindUserIdsToIndexedFormParams;
 import org.jclouds.ec2.domain.Image;
-import org.jclouds.ec2.domain.Image.EbsBlockDevice;
 import org.jclouds.ec2.domain.Permission;
+import org.jclouds.ec2.domain.Image.EbsBlockDevice;
 import org.jclouds.ec2.options.CreateImageOptions;
 import org.jclouds.ec2.options.DescribeImagesOptions;
 import org.jclouds.ec2.options.RegisterImageBackedByEbsOptions;
@@ -63,7 +61,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = EC2AsyncClient.VERSION)
 @VirtualHost
 public interface AMIAsyncClient {
 
diff --git a/apis/ec2/src/main/java/org/jclouds/ec2/services/AvailabilityZoneAndRegionAsyncClient.java b/apis/ec2/src/main/java/org/jclouds/ec2/services/AvailabilityZoneAndRegionAsyncClient.java
index d3a9d67861..4afb6219c1 100644
--- a/apis/ec2/src/main/java/org/jclouds/ec2/services/AvailabilityZoneAndRegionAsyncClient.java
+++ b/apis/ec2/src/main/java/org/jclouds/ec2/services/AvailabilityZoneAndRegionAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.net.URI;
 import java.util.Map;
@@ -29,7 +28,6 @@ import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
 import org.jclouds.aws.filters.FormSigner;
-import org.jclouds.ec2.EC2AsyncClient;
 import org.jclouds.ec2.domain.AvailabilityZoneInfo;
 import org.jclouds.ec2.options.DescribeAvailabilityZonesOptions;
 import org.jclouds.ec2.options.DescribeRegionsOptions;
@@ -54,7 +52,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = EC2AsyncClient.VERSION)
 @VirtualHost
 public interface AvailabilityZoneAndRegionAsyncClient {
 
diff --git a/apis/ec2/src/main/java/org/jclouds/ec2/services/ElasticBlockStoreAsyncClient.java b/apis/ec2/src/main/java/org/jclouds/ec2/services/ElasticBlockStoreAsyncClient.java
index 2e7ff1ea78..3951ecf487 100644
--- a/apis/ec2/src/main/java/org/jclouds/ec2/services/ElasticBlockStoreAsyncClient.java
+++ b/apis/ec2/src/main/java/org/jclouds/ec2/services/ElasticBlockStoreAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.util.Set;
 
@@ -28,7 +27,6 @@ import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
 import org.jclouds.aws.filters.FormSigner;
-import org.jclouds.ec2.EC2AsyncClient;
 import org.jclouds.ec2.binders.BindUserGroupsToIndexedFormParams;
 import org.jclouds.ec2.binders.BindUserIdsToIndexedFormParams;
 import org.jclouds.ec2.binders.BindVolumeIdsToIndexedFormParams;
@@ -67,7 +65,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = EC2AsyncClient.VERSION)
 @VirtualHost
 public interface ElasticBlockStoreAsyncClient {
 
diff --git a/apis/ec2/src/main/java/org/jclouds/ec2/services/ElasticIPAddressAsyncClient.java b/apis/ec2/src/main/java/org/jclouds/ec2/services/ElasticIPAddressAsyncClient.java
index b435b9f5af..81f93d76c8 100644
--- a/apis/ec2/src/main/java/org/jclouds/ec2/services/ElasticIPAddressAsyncClient.java
+++ b/apis/ec2/src/main/java/org/jclouds/ec2/services/ElasticIPAddressAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.util.Set;
 
@@ -28,7 +27,6 @@ import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
 import org.jclouds.aws.filters.FormSigner;
-import org.jclouds.ec2.EC2AsyncClient;
 import org.jclouds.ec2.binders.BindPublicIpsToIndexedFormParams;
 import org.jclouds.ec2.domain.PublicIpInstanceIdPair;
 import org.jclouds.ec2.xml.AllocateAddressResponseHandler;
@@ -53,7 +51,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = EC2AsyncClient.VERSION)
 @VirtualHost
 public interface ElasticIPAddressAsyncClient {
 
diff --git a/apis/ec2/src/main/java/org/jclouds/ec2/services/InstanceAsyncClient.java b/apis/ec2/src/main/java/org/jclouds/ec2/services/InstanceAsyncClient.java
index 81917d44ae..af5fd3af45 100644
--- a/apis/ec2/src/main/java/org/jclouds/ec2/services/InstanceAsyncClient.java
+++ b/apis/ec2/src/main/java/org/jclouds/ec2/services/InstanceAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.util.Map;
 import java.util.Set;
@@ -29,7 +28,6 @@ import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
 import org.jclouds.aws.filters.FormSigner;
-import org.jclouds.ec2.EC2AsyncClient;
 import org.jclouds.ec2.binders.BindBlockDeviceMappingToIndexedFormParams;
 import org.jclouds.ec2.binders.BindInstanceIdsToIndexedFormParams;
 import org.jclouds.ec2.binders.IfNotNullBindAvailabilityZoneToFormParam;
@@ -70,7 +68,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = EC2AsyncClient.VERSION)
 @VirtualHost
 public interface InstanceAsyncClient {
 
diff --git a/apis/ec2/src/main/java/org/jclouds/ec2/services/KeyPairAsyncClient.java b/apis/ec2/src/main/java/org/jclouds/ec2/services/KeyPairAsyncClient.java
index f243b7f284..df41dd0423 100644
--- a/apis/ec2/src/main/java/org/jclouds/ec2/services/KeyPairAsyncClient.java
+++ b/apis/ec2/src/main/java/org/jclouds/ec2/services/KeyPairAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.util.Set;
 
@@ -28,7 +27,6 @@ import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
 import org.jclouds.aws.filters.FormSigner;
-import org.jclouds.ec2.EC2AsyncClient;
 import org.jclouds.ec2.binders.BindKeyNamesToIndexedFormParams;
 import org.jclouds.ec2.domain.KeyPair;
 import org.jclouds.ec2.xml.DescribeKeyPairsResponseHandler;
@@ -53,7 +51,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = EC2AsyncClient.VERSION)
 @VirtualHost
 public interface KeyPairAsyncClient {
 
diff --git a/apis/ec2/src/main/java/org/jclouds/ec2/services/SecurityGroupAsyncClient.java b/apis/ec2/src/main/java/org/jclouds/ec2/services/SecurityGroupAsyncClient.java
index 15ee1884d1..d40d847201 100644
--- a/apis/ec2/src/main/java/org/jclouds/ec2/services/SecurityGroupAsyncClient.java
+++ b/apis/ec2/src/main/java/org/jclouds/ec2/services/SecurityGroupAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.util.Set;
 
@@ -28,7 +27,6 @@ import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
 import org.jclouds.aws.filters.FormSigner;
-import org.jclouds.ec2.EC2AsyncClient;
 import org.jclouds.ec2.binders.BindGroupNamesToIndexedFormParams;
 import org.jclouds.ec2.binders.BindUserIdGroupPairToSourceSecurityGroupFormParams;
 import org.jclouds.ec2.domain.IpProtocol;
@@ -56,7 +54,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = EC2AsyncClient.VERSION)
 @VirtualHost
 public interface SecurityGroupAsyncClient {
 
diff --git a/apis/ec2/src/main/java/org/jclouds/ec2/services/WindowsAsyncClient.java b/apis/ec2/src/main/java/org/jclouds/ec2/services/WindowsAsyncClient.java
index b354836a07..04ee77e3d7 100644
--- a/apis/ec2/src/main/java/org/jclouds/ec2/services/WindowsAsyncClient.java
+++ b/apis/ec2/src/main/java/org/jclouds/ec2/services/WindowsAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.util.Set;
 
@@ -28,7 +27,6 @@ import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
 import org.jclouds.aws.filters.FormSigner;
-import org.jclouds.ec2.EC2AsyncClient;
 import org.jclouds.ec2.binders.BindBundleIdsToIndexedFormParams;
 import org.jclouds.ec2.binders.BindS3UploadPolicyAndSignature;
 import org.jclouds.ec2.domain.BundleTask;
@@ -57,7 +55,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = EC2AsyncClient.VERSION)
 @VirtualHost
 public interface WindowsAsyncClient {
 
diff --git a/apis/ec2/src/test/java/org/jclouds/ec2/services/AMIAsyncClientTest.java b/apis/ec2/src/test/java/org/jclouds/ec2/services/AMIAsyncClientTest.java
index 6502611799..ac52311db2 100644
--- a/apis/ec2/src/test/java/org/jclouds/ec2/services/AMIAsyncClientTest.java
+++ b/apis/ec2/src/test/java/org/jclouds/ec2/services/AMIAsyncClientTest.java
@@ -58,7 +58,7 @@ public class AMIAsyncClientTest extends BaseEC2AsyncClientTest<AMIAsyncClient> {
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=CreateImage&InstanceId=instanceId&Name=name",
+      assertPayloadEquals(request, "Action=CreateImage&InstanceId=instanceId&Name=name",
                "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ParseSax.class);
       assertSaxResponseParserClassEquals(method, ImageIdHandler.class);
@@ -77,7 +77,7 @@ public class AMIAsyncClientTest extends BaseEC2AsyncClientTest<AMIAsyncClient> {
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=CreateImage&InstanceId=instanceId&Name=name&Description=description&NoReboot=true",
+               "Action=CreateImage&InstanceId=instanceId&Name=name&Description=description&NoReboot=true",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -94,7 +94,7 @@ public class AMIAsyncClientTest extends BaseEC2AsyncClientTest<AMIAsyncClient> {
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeImages", "application/x-www-form-urlencoded",
+      assertPayloadEquals(request, "Action=DescribeImages", "application/x-www-form-urlencoded",
                false);
       filter.filter(request);
       assertPayloadEquals(
@@ -119,7 +119,7 @@ public class AMIAsyncClientTest extends BaseEC2AsyncClientTest<AMIAsyncClient> {
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=DescribeImages&ExecutableBy=me&Owner.1=fred&Owner.2=nancy&ImageId.1=1&ImageId.2=2",
+               "Action=DescribeImages&ExecutableBy=me&Owner.1=fred&Owner.2=nancy&ImageId.1=1&ImageId.2=2",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -135,7 +135,7 @@ public class AMIAsyncClientTest extends BaseEC2AsyncClientTest<AMIAsyncClient> {
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DeregisterImage&ImageId=imageId",
+      assertPayloadEquals(request, "Action=DeregisterImage&ImageId=imageId",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -152,7 +152,7 @@ public class AMIAsyncClientTest extends BaseEC2AsyncClientTest<AMIAsyncClient> {
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=RegisterImage&ImageLocation=pathToManifest&Name=name",
+      assertPayloadEquals(request, "Action=RegisterImage&ImageLocation=pathToManifest&Name=name",
                "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ParseSax.class);
       assertSaxResponseParserClassEquals(method, ImageIdHandler.class);
@@ -171,7 +171,7 @@ public class AMIAsyncClientTest extends BaseEC2AsyncClientTest<AMIAsyncClient> {
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=RegisterImage&ImageLocation=pathToManifest&Name=name&Description=description",
+               "Action=RegisterImage&ImageLocation=pathToManifest&Name=name&Description=description",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -190,7 +190,7 @@ public class AMIAsyncClientTest extends BaseEC2AsyncClientTest<AMIAsyncClient> {
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=RegisterImage&RootDeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.DeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.Ebs.SnapshotId=snapshotId&Name=imageName",
+               "Action=RegisterImage&RootDeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.DeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.Ebs.SnapshotId=snapshotId&Name=imageName",
                "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ParseSax.class);
       assertSaxResponseParserClassEquals(method, ImageIdHandler.class);
@@ -210,7 +210,7 @@ public class AMIAsyncClientTest extends BaseEC2AsyncClientTest<AMIAsyncClient> {
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=RegisterImage&RootDeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.DeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.Ebs.SnapshotId=snapshotId&Name=imageName&Description=description&BlockDeviceMapping.1.Ebs.DeleteOnTermination=false&BlockDeviceMapping.1.DeviceName=%2Fdev%2Fdevice&BlockDeviceMapping.1.Ebs.SnapshotId=snapshot&BlockDeviceMapping.2.Ebs.DeleteOnTermination=false&BlockDeviceMapping.2.DeviceName=%2Fdev%2Fnewdevice&BlockDeviceMapping.2.VirtualName=newblock&BlockDeviceMapping.2.Ebs.VolumeSize=100",
+               "Action=RegisterImage&RootDeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.DeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.Ebs.SnapshotId=snapshotId&Name=imageName&Description=description&BlockDeviceMapping.1.Ebs.DeleteOnTermination=false&BlockDeviceMapping.1.DeviceName=%2Fdev%2Fdevice&BlockDeviceMapping.1.Ebs.SnapshotId=snapshot&BlockDeviceMapping.2.Ebs.DeleteOnTermination=false&BlockDeviceMapping.2.DeviceName=%2Fdev%2Fnewdevice&BlockDeviceMapping.2.VirtualName=newblock&BlockDeviceMapping.2.Ebs.VolumeSize=100",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -228,7 +228,7 @@ public class AMIAsyncClientTest extends BaseEC2AsyncClientTest<AMIAsyncClient> {
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=DescribeImageAttribute&Attribute=blockDeviceMapping&ImageId=imageId",
+               "Action=DescribeImageAttribute&Attribute=blockDeviceMapping&ImageId=imageId",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -245,7 +245,7 @@ public class AMIAsyncClientTest extends BaseEC2AsyncClientTest<AMIAsyncClient> {
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=DescribeImageAttribute&Attribute=launchPermission&ImageId=imageId",
+               "Action=DescribeImageAttribute&Attribute=launchPermission&ImageId=imageId",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -265,7 +265,7 @@ public class AMIAsyncClientTest extends BaseEC2AsyncClientTest<AMIAsyncClient> {
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=ModifyImageAttribute&OperationType=add&Attribute=launchPermission&ImageId=imageId&UserGroup.1=all&UserId.1=bob&UserId.2=sue",
+               "Action=ModifyImageAttribute&OperationType=add&Attribute=launchPermission&ImageId=imageId&UserGroup.1=all&UserId.1=bob&UserId.2=sue",
                "application/x-www-form-urlencoded", false);
       filter.filter(request);
       assertPayloadEquals(
@@ -290,7 +290,7 @@ public class AMIAsyncClientTest extends BaseEC2AsyncClientTest<AMIAsyncClient> {
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=ModifyImageAttribute&OperationType=remove&Attribute=launchPermission&ImageId=imageId&UserGroup.1=all&UserId.1=bob&UserId.2=sue",
+               "Action=ModifyImageAttribute&OperationType=remove&Attribute=launchPermission&ImageId=imageId&UserGroup.1=all&UserId.1=bob&UserId.2=sue",
                "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
       assertSaxResponseParserClassEquals(method, null);
@@ -307,7 +307,7 @@ public class AMIAsyncClientTest extends BaseEC2AsyncClientTest<AMIAsyncClient> {
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=ResetImageAttribute&Attribute=launchPermission&ImageId=imageId",
+               "Action=ResetImageAttribute&Attribute=launchPermission&ImageId=imageId",
                "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
       assertSaxResponseParserClassEquals(method, null);
diff --git a/apis/ec2/src/test/java/org/jclouds/ec2/services/AvailabilityZoneAndRegionAsyncClientTest.java b/apis/ec2/src/test/java/org/jclouds/ec2/services/AvailabilityZoneAndRegionAsyncClientTest.java
index a828e1069a..452c66cf9b 100644
--- a/apis/ec2/src/test/java/org/jclouds/ec2/services/AvailabilityZoneAndRegionAsyncClientTest.java
+++ b/apis/ec2/src/test/java/org/jclouds/ec2/services/AvailabilityZoneAndRegionAsyncClientTest.java
@@ -55,7 +55,7 @@ public class AvailabilityZoneAndRegionAsyncClientTest extends
 
       assertRequestLineEquals(request, "POST https://ec2.us-west-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-west-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeAvailabilityZones",
+      assertPayloadEquals(request, "Action=DescribeAvailabilityZones",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -73,7 +73,7 @@ public class AvailabilityZoneAndRegionAsyncClientTest extends
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2010-06-15&Action=DescribeAvailabilityZones&ZoneName.1=us-east-1a&ZoneName.2=us-east-1b",
+            "Action=DescribeAvailabilityZones&ZoneName.1=us-east-1a&ZoneName.2=us-east-1b",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -90,7 +90,7 @@ public class AvailabilityZoneAndRegionAsyncClientTest extends
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeRegions", "application/x-www-form-urlencoded",
+      assertPayloadEquals(request, "Action=DescribeRegions", "application/x-www-form-urlencoded",
             false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -108,7 +108,7 @@ public class AvailabilityZoneAndRegionAsyncClientTest extends
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2010-06-15&Action=DescribeRegions&RegionName.1=us-east-1&RegionName.2=us-west-1",
+            "Action=DescribeRegions&RegionName.1=us-east-1&RegionName.2=us-west-1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
diff --git a/apis/ec2/src/test/java/org/jclouds/ec2/services/ElasticBlockStoreAsyncClientTest.java b/apis/ec2/src/test/java/org/jclouds/ec2/services/ElasticBlockStoreAsyncClientTest.java
index a6bab3a4de..8223af543c 100644
--- a/apis/ec2/src/test/java/org/jclouds/ec2/services/ElasticBlockStoreAsyncClientTest.java
+++ b/apis/ec2/src/test/java/org/jclouds/ec2/services/ElasticBlockStoreAsyncClientTest.java
@@ -61,7 +61,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=CreateVolume&AvailabilityZone=us-east-1a&Size=20",
+      assertPayloadEquals(request, "Action=CreateVolume&AvailabilityZone=us-east-1a&Size=20",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -79,7 +79,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=CreateVolume&AvailabilityZone=us-east-1a&SnapshotId=snapshotId",
+               "Action=CreateVolume&AvailabilityZone=us-east-1a&SnapshotId=snapshotId",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -97,7 +97,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=CreateVolume&AvailabilityZone=us-east-1a&SnapshotId=snapshotId&Size=15",
+               "Action=CreateVolume&AvailabilityZone=us-east-1a&SnapshotId=snapshotId&Size=15",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -113,7 +113,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DeleteVolume&VolumeId=id",
+      assertPayloadEquals(request, "Action=DeleteVolume&VolumeId=id",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -130,7 +130,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeVolumes", "application/x-www-form-urlencoded",
+      assertPayloadEquals(request, "Action=DescribeVolumes", "application/x-www-form-urlencoded",
                false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -147,7 +147,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeVolumes&VolumeId.1=1&VolumeId.2=2",
+      assertPayloadEquals(request, "Action=DescribeVolumes&VolumeId.1=1&VolumeId.2=2",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -165,7 +165,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=AttachVolume&InstanceId=instanceId&VolumeId=id&Device=%2Fdevice",
+               "Action=AttachVolume&InstanceId=instanceId&VolumeId=id&Device=%2Fdevice",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -182,7 +182,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DetachVolume&Force=false&VolumeId=id",
+      assertPayloadEquals(request, "Action=DetachVolume&Force=false&VolumeId=id",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -201,7 +201,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=DetachVolume&Force=true&VolumeId=id&InstanceId=instanceId&Device=%2Fdevice",
+               "Action=DetachVolume&Force=true&VolumeId=id&InstanceId=instanceId&Device=%2Fdevice",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -218,7 +218,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=CreateSnapshot&VolumeId=volumeId",
+      assertPayloadEquals(request, "Action=CreateSnapshot&VolumeId=volumeId",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -237,7 +237,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=CreateSnapshot&VolumeId=volumeId&Description=description",
+               "Action=CreateSnapshot&VolumeId=volumeId&Description=description",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -254,7 +254,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeSnapshots", "application/x-www-form-urlencoded",
+      assertPayloadEquals(request, "Action=DescribeSnapshots", "application/x-www-form-urlencoded",
                false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -274,7 +274,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=DescribeSnapshots&Owner.1=o1&Owner.2=o2&RestorableBy.1=r1&RestorableBy.2=r2&SnapshotId.1=s1&SnapshotId.2=s2",
+               "Action=DescribeSnapshots&Owner.1=o1&Owner.2=o2&RestorableBy.1=r1&RestorableBy.2=r2&SnapshotId.1=s1&SnapshotId.2=s2",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -293,7 +293,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=DescribeSnapshotAttribute&Attribute=createVolumePermission&SnapshotId=snapshotId",
+               "Action=DescribeSnapshotAttribute&Attribute=createVolumePermission&SnapshotId=snapshotId",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -313,7 +313,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=ModifySnapshotAttribute&OperationType=add&Attribute=createVolumePermission&SnapshotId=snapshotId&UserGroup.1=all&UserId.1=bob&UserId.2=sue",
+               "Action=ModifySnapshotAttribute&OperationType=add&Attribute=createVolumePermission&SnapshotId=snapshotId&UserGroup.1=all&UserId.1=bob&UserId.2=sue",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -334,7 +334,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=ModifySnapshotAttribute&OperationType=remove&Attribute=createVolumePermission&SnapshotId=snapshotId&UserGroup.1=all&UserId.1=bob&UserId.2=sue",
+               "Action=ModifySnapshotAttribute&OperationType=remove&Attribute=createVolumePermission&SnapshotId=snapshotId&UserGroup.1=all&UserId.1=bob&UserId.2=sue",
                "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
       assertSaxResponseParserClassEquals(method, null);
@@ -353,7 +353,7 @@ public class ElasticBlockStoreAsyncClientTest extends BaseEC2AsyncClientTest<Ela
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=ResetSnapshotAttribute&Attribute=createVolumePermission&SnapshotId=snapshotId",
+               "Action=ResetSnapshotAttribute&Attribute=createVolumePermission&SnapshotId=snapshotId",
                "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
       assertSaxResponseParserClassEquals(method, null);
diff --git a/apis/ec2/src/test/java/org/jclouds/ec2/services/ElasticIPAddressAsyncClientTest.java b/apis/ec2/src/test/java/org/jclouds/ec2/services/ElasticIPAddressAsyncClientTest.java
index 9387bd9af4..b46664e87d 100644
--- a/apis/ec2/src/test/java/org/jclouds/ec2/services/ElasticIPAddressAsyncClientTest.java
+++ b/apis/ec2/src/test/java/org/jclouds/ec2/services/ElasticIPAddressAsyncClientTest.java
@@ -49,7 +49,7 @@ public class ElasticIPAddressAsyncClientTest extends BaseEC2AsyncClientTest<Elas
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DisassociateAddress&PublicIp=127.0.0.1",
+      assertPayloadEquals(request, "Action=DisassociateAddress&PublicIp=127.0.0.1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -66,7 +66,7 @@ public class ElasticIPAddressAsyncClientTest extends BaseEC2AsyncClientTest<Elas
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=AssociateAddress&InstanceId=me&PublicIp=127.0.0.1",
+      assertPayloadEquals(request, "Action=AssociateAddress&InstanceId=me&PublicIp=127.0.0.1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -82,7 +82,7 @@ public class ElasticIPAddressAsyncClientTest extends BaseEC2AsyncClientTest<Elas
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=ReleaseAddress&PublicIp=127.0.0.1",
+      assertPayloadEquals(request, "Action=ReleaseAddress&PublicIp=127.0.0.1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -99,7 +99,7 @@ public class ElasticIPAddressAsyncClientTest extends BaseEC2AsyncClientTest<Elas
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeAddresses&PublicIp.1=127.0.0.1",
+      assertPayloadEquals(request, "Action=DescribeAddresses&PublicIp.1=127.0.0.1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -115,7 +115,7 @@ public class ElasticIPAddressAsyncClientTest extends BaseEC2AsyncClientTest<Elas
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=AllocateAddress", "application/x-www-form-urlencoded",
+      assertPayloadEquals(request, "Action=AllocateAddress", "application/x-www-form-urlencoded",
             false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
diff --git a/apis/ec2/src/test/java/org/jclouds/ec2/services/InstanceAsyncClientTest.java b/apis/ec2/src/test/java/org/jclouds/ec2/services/InstanceAsyncClientTest.java
index 732bd4da32..96d00c6888 100644
--- a/apis/ec2/src/test/java/org/jclouds/ec2/services/InstanceAsyncClientTest.java
+++ b/apis/ec2/src/test/java/org/jclouds/ec2/services/InstanceAsyncClientTest.java
@@ -60,7 +60,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeInstances", "application/x-www-form-urlencoded",
+      assertPayloadEquals(request, "Action=DescribeInstances", "application/x-www-form-urlencoded",
                false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -76,7 +76,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeInstances&InstanceId.1=1&InstanceId.2=2",
+      assertPayloadEquals(request, "Action=DescribeInstances&InstanceId.1=1&InstanceId.2=2",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -93,7 +93,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=TerminateInstances&InstanceId.1=1&InstanceId.2=2",
+      assertPayloadEquals(request, "Action=TerminateInstances&InstanceId.1=1&InstanceId.2=2",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -111,11 +111,11 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       try {
-         assertPayloadEquals(request, "Version=2010-06-15&Action=RunInstances&ImageId=ami-voo&MinCount=1&MaxCount=1",
+         assertPayloadEquals(request, "Action=RunInstances&ImageId=ami-voo&MinCount=1&MaxCount=1",
                   "application/x-www-form-urlencoded", false);
       } catch (AssertionError e) {
          // mvn 3.0 osx 10.6.5 somehow sorts differently
-         assertPayloadEquals(request, "Version=2010-06-15&Action=RunInstances&ImageId=ami-voo&MaxCount=1&MinCount=1",
+         assertPayloadEquals(request, "Action=RunInstances&ImageId=ami-voo&MaxCount=1&MinCount=1",
                   "application/x-www-form-urlencoded", false);
       }
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -136,13 +136,13 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       try {
          assertPayloadEquals(
                   request,
-                  "Version=2010-06-15&Action=RunInstances&ImageId=ami-voo&MinCount=1&MaxCount=5&KernelId=kernelId&SecurityGroup.1=group1&SecurityGroup.2=group2&Placement.AvailabilityZone=eu-west-1a",
+                  "Action=RunInstances&ImageId=ami-voo&MinCount=1&MaxCount=5&KernelId=kernelId&SecurityGroup.1=group1&SecurityGroup.2=group2&Placement.AvailabilityZone=eu-west-1a",
                   "application/x-www-form-urlencoded", false);
       } catch (AssertionError e) {
          // mvn 3.0 osx 10.6.5 somehow sorts differently
          assertPayloadEquals(
                   request,
-                  "Version=2010-06-15&Action=RunInstances&ImageId=ami-voo&MaxCount=5&MinCount=1&KernelId=kernelId&SecurityGroup.1=group1&SecurityGroup.2=group2&Placement.AvailabilityZone=eu-west-1a",
+                  "Action=RunInstances&ImageId=ami-voo&MaxCount=5&MinCount=1&KernelId=kernelId&SecurityGroup.1=group1&SecurityGroup.2=group2&Placement.AvailabilityZone=eu-west-1a",
                   "application/x-www-form-urlencoded", false);
       }
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -159,7 +159,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=StopInstances&Force=true&InstanceId.1=1&InstanceId.2=2",
+      assertPayloadEquals(request, "Action=StopInstances&Force=true&InstanceId.1=1&InstanceId.2=2",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -176,7 +176,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=RebootInstances&InstanceId.1=1&InstanceId.2=2",
+      assertPayloadEquals(request, "Action=RebootInstances&InstanceId.1=1&InstanceId.2=2",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -193,7 +193,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=StartInstances&InstanceId.1=1&InstanceId.2=2",
+      assertPayloadEquals(request, "Action=StartInstances&InstanceId.1=1&InstanceId.2=2",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -210,7 +210,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=DescribeInstanceAttribute&Attribute=userData&InstanceId=1",
+               "Action=DescribeInstanceAttribute&Attribute=userData&InstanceId=1",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -228,7 +228,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=DescribeInstanceAttribute&Attribute=rootDeviceName&InstanceId=1",
+               "Action=DescribeInstanceAttribute&Attribute=rootDeviceName&InstanceId=1",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -245,7 +245,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=DescribeInstanceAttribute&Attribute=ramdisk&InstanceId=1",
+               "Action=DescribeInstanceAttribute&Attribute=ramdisk&InstanceId=1",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -264,7 +264,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=DescribeInstanceAttribute&Attribute=disableApiTermination&InstanceId=1",
+               "Action=DescribeInstanceAttribute&Attribute=disableApiTermination&InstanceId=1",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -280,7 +280,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeInstanceAttribute&Attribute=kernel&InstanceId=1",
+      assertPayloadEquals(request, "Action=DescribeInstanceAttribute&Attribute=kernel&InstanceId=1",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -298,7 +298,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=DescribeInstanceAttribute&Attribute=instanceType&InstanceId=1",
+               "Action=DescribeInstanceAttribute&Attribute=instanceType&InstanceId=1",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -318,7 +318,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=DescribeInstanceAttribute&Attribute=instanceInitiatedShutdownBehavior&InstanceId=1",
+               "Action=DescribeInstanceAttribute&Attribute=instanceInitiatedShutdownBehavior&InstanceId=1",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -337,7 +337,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=DescribeInstanceAttribute&Attribute=blockDeviceMapping&InstanceId=1",
+               "Action=DescribeInstanceAttribute&Attribute=blockDeviceMapping&InstanceId=1",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -355,7 +355,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=ModifyInstanceAttribute&Attribute=userData&Value=dGVzdA%3D%3D&InstanceId=1",
+               "Action=ModifyInstanceAttribute&Attribute=userData&Value=dGVzdA%3D%3D&InstanceId=1",
                "application/x-www-form-urlencoded", false);
       filter.filter(request);// ensure encoding worked properly
       assertPayloadEquals(
@@ -377,7 +377,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=ModifyInstanceAttribute&Attribute=ramdisk&Value=test&InstanceId=1",
+               "Action=ModifyInstanceAttribute&Attribute=ramdisk&Value=test&InstanceId=1",
                "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
       assertSaxResponseParserClassEquals(method, null);
@@ -394,7 +394,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=ModifyInstanceAttribute&Attribute=kernel&Value=test&InstanceId=1",
+               "Action=ModifyInstanceAttribute&Attribute=kernel&Value=test&InstanceId=1",
                "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
       assertSaxResponseParserClassEquals(method, null);
@@ -413,7 +413,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=ModifyInstanceAttribute&Attribute=disableApiTermination&Value=true&InstanceId=1",
+               "Action=ModifyInstanceAttribute&Attribute=disableApiTermination&Value=true&InstanceId=1",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -431,7 +431,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-               "Version=2010-06-15&Action=ModifyInstanceAttribute&Attribute=instanceType&Value=c1.medium&InstanceId=1",
+               "Action=ModifyInstanceAttribute&Attribute=instanceType&Value=c1.medium&InstanceId=1",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -451,7 +451,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=ModifyInstanceAttribute&Attribute=instanceInitiatedShutdownBehavior&Value=terminate&InstanceId=1",
+               "Action=ModifyInstanceAttribute&Attribute=instanceInitiatedShutdownBehavior&Value=terminate&InstanceId=1",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -474,7 +474,7 @@ public class InstanceAsyncClientTest extends BaseEC2AsyncClientTest<InstanceAsyn
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=ModifyInstanceAttribute&InstanceId=1&BlockDeviceMapping.1.Ebs.VolumeId=vol-test1&BlockDeviceMapping.1.DeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.1.Ebs.DeleteOnTermination=true",
+               "Action=ModifyInstanceAttribute&InstanceId=1&BlockDeviceMapping.1.Ebs.VolumeId=vol-test1&BlockDeviceMapping.1.DeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.1.Ebs.DeleteOnTermination=true",
                "application/x-www-form-urlencoded", false);
       filter.filter(request);// ensure encoding worked properly
       assertPayloadEquals(
diff --git a/apis/ec2/src/test/java/org/jclouds/ec2/services/KeyPairAsyncClientTest.java b/apis/ec2/src/test/java/org/jclouds/ec2/services/KeyPairAsyncClientTest.java
index 45249c9fd5..3a2fba314a 100644
--- a/apis/ec2/src/test/java/org/jclouds/ec2/services/KeyPairAsyncClientTest.java
+++ b/apis/ec2/src/test/java/org/jclouds/ec2/services/KeyPairAsyncClientTest.java
@@ -47,7 +47,7 @@ public class KeyPairAsyncClientTest extends BaseEC2AsyncClientTest<KeyPairAsyncC
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DeleteKeyPair&KeyName=mykey",
+      assertPayloadEquals(request, "Action=DeleteKeyPair&KeyName=mykey",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -64,7 +64,7 @@ public class KeyPairAsyncClientTest extends BaseEC2AsyncClientTest<KeyPairAsyncC
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeKeyPairs", "application/x-www-form-urlencoded",
+      assertPayloadEquals(request, "Action=DescribeKeyPairs", "application/x-www-form-urlencoded",
             false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -81,7 +81,7 @@ public class KeyPairAsyncClientTest extends BaseEC2AsyncClientTest<KeyPairAsyncC
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeKeyPairs&KeyName.1=1&KeyName.2=2",
+      assertPayloadEquals(request, "Action=DescribeKeyPairs&KeyName.1=1&KeyName.2=2",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
diff --git a/apis/ec2/src/test/java/org/jclouds/ec2/services/SecurityGroupAsyncClientTest.java b/apis/ec2/src/test/java/org/jclouds/ec2/services/SecurityGroupAsyncClientTest.java
index 0f7d412462..1236506285 100644
--- a/apis/ec2/src/test/java/org/jclouds/ec2/services/SecurityGroupAsyncClientTest.java
+++ b/apis/ec2/src/test/java/org/jclouds/ec2/services/SecurityGroupAsyncClientTest.java
@@ -51,7 +51,7 @@ public class SecurityGroupAsyncClientTest extends BaseEC2AsyncClientTest<Securit
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DeleteSecurityGroup&GroupName=name",
+      assertPayloadEquals(request, "Action=DeleteSecurityGroup&GroupName=name",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -69,7 +69,7 @@ public class SecurityGroupAsyncClientTest extends BaseEC2AsyncClientTest<Securit
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2010-06-15&Action=CreateSecurityGroup&GroupDescription=description&GroupName=name",
+            "Action=CreateSecurityGroup&GroupDescription=description&GroupName=name",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -86,7 +86,7 @@ public class SecurityGroupAsyncClientTest extends BaseEC2AsyncClientTest<Securit
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeSecurityGroups",
+      assertPayloadEquals(request, "Action=DescribeSecurityGroups",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -103,7 +103,7 @@ public class SecurityGroupAsyncClientTest extends BaseEC2AsyncClientTest<Securit
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeSecurityGroups&GroupName.1=1&GroupName.2=2",
+      assertPayloadEquals(request, "Action=DescribeSecurityGroups&GroupName.1=1&GroupName.2=2",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -123,7 +123,7 @@ public class SecurityGroupAsyncClientTest extends BaseEC2AsyncClientTest<Securit
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2010-06-15&Action=AuthorizeSecurityGroupIngress&GroupName=group&SourceSecurityGroupOwnerId=sourceUser&SourceSecurityGroupName=sourceGroup",
+            "Action=AuthorizeSecurityGroupIngress&GroupName=group&SourceSecurityGroupOwnerId=sourceUser&SourceSecurityGroupName=sourceGroup",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -143,13 +143,13 @@ public class SecurityGroupAsyncClientTest extends BaseEC2AsyncClientTest<Securit
       try {
          assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=AuthorizeSecurityGroupIngress&CidrIp=0.0.0.0%2F0&IpProtocol=tcp&GroupName=group&FromPort=6000&ToPort=7000",
+               "Action=AuthorizeSecurityGroupIngress&CidrIp=0.0.0.0%2F0&IpProtocol=tcp&GroupName=group&FromPort=6000&ToPort=7000",
                "application/x-www-form-urlencoded", false);
       } catch (AssertionError e) {
          // mvn 3.0 osx 10.6.5 somehow sorts differently
          assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=AuthorizeSecurityGroupIngress&CidrIp=0.0.0.0%2F0&IpProtocol=tcp&GroupName=group&ToPort=7000&FromPort=6000",
+               "Action=AuthorizeSecurityGroupIngress&CidrIp=0.0.0.0%2F0&IpProtocol=tcp&GroupName=group&ToPort=7000&FromPort=6000",
                "application/x-www-form-urlencoded", false);
       }
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -169,7 +169,7 @@ public class SecurityGroupAsyncClientTest extends BaseEC2AsyncClientTest<Securit
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2010-06-15&Action=RevokeSecurityGroupIngress&GroupName=group&SourceSecurityGroupOwnerId=sourceUser&SourceSecurityGroupName=sourceGroup",
+            "Action=RevokeSecurityGroupIngress&GroupName=group&SourceSecurityGroupOwnerId=sourceUser&SourceSecurityGroupName=sourceGroup",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -189,13 +189,13 @@ public class SecurityGroupAsyncClientTest extends BaseEC2AsyncClientTest<Securit
       try {
          assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=RevokeSecurityGroupIngress&CidrIp=0.0.0.0%2F0&IpProtocol=tcp&GroupName=group&FromPort=6000&ToPort=7000",
+               "Action=RevokeSecurityGroupIngress&CidrIp=0.0.0.0%2F0&IpProtocol=tcp&GroupName=group&FromPort=6000&ToPort=7000",
                "application/x-www-form-urlencoded", false);
       } catch (AssertionError e) {
          // mvn 3.0 osx 10.6.5 somehow sorts differently
          assertPayloadEquals(
                request,
-               "Version=2010-06-15&Action=RevokeSecurityGroupIngress&CidrIp=0.0.0.0%2F0&IpProtocol=tcp&GroupName=group&ToPort=7000&FromPort=6000",
+               "Action=RevokeSecurityGroupIngress&CidrIp=0.0.0.0%2F0&IpProtocol=tcp&GroupName=group&ToPort=7000&FromPort=6000",
                "application/x-www-form-urlencoded", false);
       }
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
diff --git a/apis/ec2/src/test/java/org/jclouds/ec2/services/WindowsAsyncClientTest.java b/apis/ec2/src/test/java/org/jclouds/ec2/services/WindowsAsyncClientTest.java
index 859d48fc49..9c3da595eb 100644
--- a/apis/ec2/src/test/java/org/jclouds/ec2/services/WindowsAsyncClientTest.java
+++ b/apis/ec2/src/test/java/org/jclouds/ec2/services/WindowsAsyncClientTest.java
@@ -53,7 +53,7 @@ public class WindowsAsyncClientTest extends BaseEC2AsyncClientTest<WindowsAsyncC
                         "my-bucket",
                         "{\"expiration\": \"2008-08-30T08:49:09Z\",\"conditions\": [{\"bucket\": \"my-bucket\"},[\"starts-with\", \"$key\", \"my-new-image\"]]}");
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
-      String payload = "Version=2010-06-15&Action=BundleInstance&Storage.S3.Prefix=winami&InstanceId=i-e468cd8d&Storage.S3.Bucket=my-bucket&Storage.S3.UploadPolicy=eyJleHBpcmF0aW9uIjogIjIwMDgtMDgtMzBUMDg6NDk6MDlaIiwiY29uZGl0aW9ucyI6IFt7ImJ1Y2tldCI6ICJteS1idWNrZXQifSxbInN0YXJ0cy13aXRoIiwgIiRrZXkiLCAibXktbmV3LWltYWdlIl1dfQ%3D%3D&Storage.S3.UploadPolicySignature=ih%2FiohGe0A7y4QVRbKaq6BZShzUsmBEJEa9AdFbxM6Y%3D";
+      String payload = "Action=BundleInstance&Storage.S3.Prefix=winami&InstanceId=i-e468cd8d&Storage.S3.Bucket=my-bucket&Storage.S3.UploadPolicy=eyJleHBpcmF0aW9uIjogIjIwMDgtMDgtMzBUMDg6NDk6MDlaIiwiY29uZGl0aW9ucyI6IFt7ImJ1Y2tldCI6ICJteS1idWNrZXQifSxbInN0YXJ0cy13aXRoIiwgIiRrZXkiLCAibXktbmV3LWltYWdlIl1dfQ%3D%3D&Storage.S3.UploadPolicySignature=ih%2FiohGe0A7y4QVRbKaq6BZShzUsmBEJEa9AdFbxM6Y%3D";
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request, payload, "application/x-www-form-urlencoded", false);
 
@@ -77,7 +77,7 @@ public class WindowsAsyncClientTest extends BaseEC2AsyncClientTest<WindowsAsyncC
                         "{\"expiration\": \"2008-08-30T08:49:09Z\",\"conditions\": [{\"bucket\": \"my-bucket\"},[\"starts-with\", \"$key\", \"my-new-image\"]]}",
                         BundleInstanceS3StorageOptions.Builder.bucketOwnedBy("10QMXFEV71ZS32XQFTR2"));
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
-      String payload = "Version=2010-06-15&Action=BundleInstance&Storage.S3.Prefix=winami&InstanceId=i-e468cd8d&Storage.S3.Bucket=my-bucket&Storage.S3.AWSAccessKeyId=10QMXFEV71ZS32XQFTR2&Storage.S3.UploadPolicy=eyJleHBpcmF0aW9uIjogIjIwMDgtMDgtMzBUMDg6NDk6MDlaIiwiY29uZGl0aW9ucyI6IFt7ImJ1Y2tldCI6ICJteS1idWNrZXQifSxbInN0YXJ0cy13aXRoIiwgIiRrZXkiLCAibXktbmV3LWltYWdlIl1dfQ%3D%3D&Storage.S3.UploadPolicySignature=ih%2FiohGe0A7y4QVRbKaq6BZShzUsmBEJEa9AdFbxM6Y%3D";
+      String payload = "Action=BundleInstance&Storage.S3.Prefix=winami&InstanceId=i-e468cd8d&Storage.S3.Bucket=my-bucket&Storage.S3.AWSAccessKeyId=10QMXFEV71ZS32XQFTR2&Storage.S3.UploadPolicy=eyJleHBpcmF0aW9uIjogIjIwMDgtMDgtMzBUMDg6NDk6MDlaIiwiY29uZGl0aW9ucyI6IFt7ImJ1Y2tldCI6ICJteS1idWNrZXQifSxbInN0YXJ0cy13aXRoIiwgIiRrZXkiLCAibXktbmV3LWltYWdlIl1dfQ%3D%3D&Storage.S3.UploadPolicySignature=ih%2FiohGe0A7y4QVRbKaq6BZShzUsmBEJEa9AdFbxM6Y%3D";
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request, payload, "application/x-www-form-urlencoded", false);
 
@@ -94,7 +94,7 @@ public class WindowsAsyncClientTest extends BaseEC2AsyncClientTest<WindowsAsyncC
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeBundleTasks",
+      assertPayloadEquals(request, "Action=DescribeBundleTasks",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -110,7 +110,7 @@ public class WindowsAsyncClientTest extends BaseEC2AsyncClientTest<WindowsAsyncC
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2010-06-15&Action=DescribeBundleTasks&BundleId.1=1&BundleId.2=2",
+      assertPayloadEquals(request, "Action=DescribeBundleTasks&BundleId.1=1&BundleId.2=2",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
diff --git a/common/aws/src/main/java/org/jclouds/aws/filters/FormSigner.java b/common/aws/src/main/java/org/jclouds/aws/filters/FormSigner.java
index beb9c0d919..cb8e07f667 100644
--- a/common/aws/src/main/java/org/jclouds/aws/filters/FormSigner.java
+++ b/common/aws/src/main/java/org/jclouds/aws/filters/FormSigner.java
@@ -53,10 +53,14 @@ import org.jclouds.http.utils.ModifyRequest;
 import org.jclouds.io.InputSuppliers;
 import org.jclouds.logging.Logger;
 import org.jclouds.rest.RequestSigner;
+import org.jclouds.rest.annotations.ApiVersion;
+import org.jclouds.rest.annotations.Credential;
+import org.jclouds.rest.annotations.Identity;
 import org.jclouds.util.Strings2;
 
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Multimap;
 
 /**
@@ -73,6 +77,7 @@ public class FormSigner implements HttpRequestFilter, RequestSigner {
    public static String[] mandatoryParametersForSignature = new String[] { ACTION, SIGNATURE_METHOD, SIGNATURE_VERSION,
             VERSION };
    private final SignatureWire signatureWire;
+   private final String apiVersion;
    private final String accessKey;
    private final String secretKey;
    private final Provider<String> dateService;
@@ -84,10 +89,11 @@ public class FormSigner implements HttpRequestFilter, RequestSigner {
    private Logger signatureLog = Logger.NULL;
 
    @Inject
-   public FormSigner(SignatureWire signatureWire, @Named(Constants.PROPERTY_IDENTITY) String accessKey,
-            @Named(Constants.PROPERTY_CREDENTIAL) String secretKey, @TimeStamp Provider<String> dateService,
+   public FormSigner(SignatureWire signatureWire, @ApiVersion String apiVersion, @Identity String accessKey,
+            @Credential String secretKey, @TimeStamp Provider<String> dateService,
             Crypto crypto, HttpUtils utils) {
       this.signatureWire = signatureWire;
+      this.apiVersion = apiVersion;
       this.accessKey = accessKey;
       this.secretKey = secretKey;
       this.dateService = dateService;
@@ -99,6 +105,7 @@ public class FormSigner implements HttpRequestFilter, RequestSigner {
       checkNotNull(request.getFirstHeaderOrNull(HttpHeaders.HOST), "request is not ready to sign; host not present");
       Multimap<String, String> decodedParams = ModifyRequest.parseQueryToMap(request.getPayload().getRawContent()
                .toString());
+      decodedParams.replaceValues(VERSION, ImmutableSet.of(apiVersion));
       addSigningParams(decodedParams);
       validateParams(decodedParams);
       String stringToSign = createStringToSign(request, decodedParams);
diff --git a/common/aws/src/test/java/org/jclouds/aws/filters/FormSignerTest.java b/common/aws/src/test/java/org/jclouds/aws/filters/FormSignerTest.java
index ba64c54992..6cfffe4899 100644
--- a/common/aws/src/test/java/org/jclouds/aws/filters/FormSignerTest.java
+++ b/common/aws/src/test/java/org/jclouds/aws/filters/FormSignerTest.java
@@ -20,16 +20,22 @@ package org.jclouds.aws.filters;
 import static org.jclouds.aws.reference.AWSConstants.PROPERTY_HEADER_TAG;
 import static org.testng.Assert.assertEquals;
 
+import java.net.URI;
+
+import javax.ws.rs.core.HttpHeaders;
+
 import org.jclouds.PropertiesBuilder;
 import org.jclouds.date.TimeStamp;
+import org.jclouds.http.HttpRequest;
 import org.jclouds.http.IntegrationTestAsyncClient;
 import org.jclouds.http.IntegrationTestClient;
+import org.jclouds.io.Payloads;
 import org.jclouds.logging.config.NullLoggingModule;
-import org.jclouds.rest.BaseRestClientTest.MockModule;
 import org.jclouds.rest.RequestSigner;
 import org.jclouds.rest.RestContextBuilder;
 import org.jclouds.rest.RestContextFactory;
 import org.jclouds.rest.RestContextSpec;
+import org.jclouds.rest.BaseRestClientTest.MockModule;
 import org.testng.annotations.Test;
 
 import com.google.common.collect.ImmutableList;
@@ -60,6 +66,19 @@ public class FormSignerTest {
                         }
 
                      }));
+   @Test
+   void testBuildCanonicalizedStringSetsVersion() {
+      FormSigner filter = RestContextFactory.createContextBuilder(DUMMY_SPEC).buildInjector().getInstance(
+               FormSigner.class);
+
+      assertEquals(
+               filter.filter(
+                        HttpRequest.builder().method("GET").endpoint(URI.create("http://localhost")).headers(
+                                 ImmutableMultimap.of(HttpHeaders.HOST, "localhost")).payload(
+                                 Payloads.newStringPayload("Action=DescribeImages&ImageId.1=ami-2bb65342")).build())
+                        .getPayload().getRawContent(),
+               "Action=DescribeImages&ImageId.1=ami-2bb65342&Signature=ugnt4m2eHE7Ka%2FvXTr9EhKZq7bhxOfvW0y4pAEqF97w%3D&SignatureMethod=HmacSHA256&SignatureVersion=2&Timestamp=2009-11-08T15%3A54%3A08.897Z&Version=apiVersion&AWSAccessKeyId=identity");
+   }
 
    @Test
    void testBuildCanonicalizedString() {
diff --git a/labs/elb/src/main/java/org/jclouds/elb/ELBAsyncClient.java b/labs/elb/src/main/java/org/jclouds/elb/ELBAsyncClient.java
index 1d920e02fa..e8bd45146e 100644
--- a/labs/elb/src/main/java/org/jclouds/elb/ELBAsyncClient.java
+++ b/labs/elb/src/main/java/org/jclouds/elb/ELBAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.elb;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.util.Set;
 
@@ -59,7 +58,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  */
 @Beta
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = ELBAsyncClient.VERSION)
 @VirtualHost
 public interface ELBAsyncClient {
    public static final String VERSION = "2011-11-15";
diff --git a/labs/elb/src/test/java/org/jclouds/elb/ELBAsyncClientTest.java b/labs/elb/src/test/java/org/jclouds/elb/ELBAsyncClientTest.java
index 5964de9948..bf3fe21c41 100644
--- a/labs/elb/src/test/java/org/jclouds/elb/ELBAsyncClientTest.java
+++ b/labs/elb/src/test/java/org/jclouds/elb/ELBAsyncClientTest.java
@@ -67,7 +67,7 @@ public class ELBAsyncClientTest extends RestClientTest<ELBAsyncClient> {
       assertNonPayloadHeadersEqual(request, "Host: elasticloadbalancing.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            String.format("Version=%s&Action=CreateLoadBalancer&Listeners.member.1.Protocol=http&LoadBalancerName=name&Listeners.member.1.LoadBalancerPort=80&Listeners.member.1.InstancePort=80", ELBAsyncClient.VERSION),
+            "Action=CreateLoadBalancer&Listeners.member.1.Protocol=http&LoadBalancerName=name&Listeners.member.1.LoadBalancerPort=80&Listeners.member.1.InstancePort=80",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -83,7 +83,7 @@ public class ELBAsyncClientTest extends RestClientTest<ELBAsyncClient> {
 
       assertRequestLineEquals(request, "POST https://elasticloadbalancing.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: elasticloadbalancing.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, String.format("Version=%s&Action=DescribeLoadBalancers", ELBAsyncClient.VERSION),
+      assertPayloadEquals(request, "Action=DescribeLoadBalancers",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -101,7 +101,7 @@ public class ELBAsyncClientTest extends RestClientTest<ELBAsyncClient> {
       assertNonPayloadHeadersEqual(request, "Host: elasticloadbalancing.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            String.format("Version=%s&Action=DescribeLoadBalancers&LoadBalancerNames.member.1=1&LoadBalancerNames.member.2=2", ELBAsyncClient.VERSION),
+            "Action=DescribeLoadBalancers&LoadBalancerNames.member.1=1&LoadBalancerNames.member.2=2",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -121,7 +121,7 @@ public class ELBAsyncClientTest extends RestClientTest<ELBAsyncClient> {
       assertNonPayloadHeadersEqual(request, "Host: elasticloadbalancing.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            String.format("Version=%s&Action=RegisterInstancesWithLoadBalancer&LoadBalancerName=ReferenceAP1&Instances.member.1.InstanceId=i-6055fa09", ELBAsyncClient.VERSION),
+            "Action=RegisterInstancesWithLoadBalancer&LoadBalancerName=ReferenceAP1&Instances.member.1.InstanceId=i-6055fa09",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -141,7 +141,7 @@ public class ELBAsyncClientTest extends RestClientTest<ELBAsyncClient> {
       assertNonPayloadHeadersEqual(request, "Host: elasticloadbalancing.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            String.format("Version=%s&Action=DeregisterInstancesFromLoadBalancer&LoadBalancerName=ReferenceAP1&Instances.member.1.InstanceId=i-6055fa09", ELBAsyncClient.VERSION),
+            "Action=DeregisterInstancesFromLoadBalancer&LoadBalancerName=ReferenceAP1&Instances.member.1.InstanceId=i-6055fa09",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
diff --git a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/AWSEC2PropertiesBuilder.java b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/AWSEC2PropertiesBuilder.java
index 5b125fe757..a79f049004 100644
--- a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/AWSEC2PropertiesBuilder.java
+++ b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/AWSEC2PropertiesBuilder.java
@@ -18,6 +18,7 @@
  */
 package org.jclouds.aws.ec2;
 
+import static org.jclouds.Constants.PROPERTY_API_VERSION;
 import static org.jclouds.Constants.PROPERTY_ENDPOINT;
 import static org.jclouds.aws.ec2.reference.AWSEC2Constants.PROPERTY_EC2_AMI_QUERY;
 import static org.jclouds.aws.ec2.reference.AWSEC2Constants.PROPERTY_EC2_CC_AMI_QUERY;
@@ -39,6 +40,7 @@ public class AWSEC2PropertiesBuilder extends org.jclouds.ec2.EC2PropertiesBuilde
    @Override
    protected Properties defaultProperties() {
       Properties properties = super.defaultProperties();
+      properties.setProperty(PROPERTY_API_VERSION, AWSEC2AsyncClient.VERSION);
       // sometimes, like in ec2, stop takes a very long time, perhaps
       // due to volume management. one example spent 2 minutes moving
       // from stopping->stopped state on an ec2 micro
diff --git a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSAMIAsyncClient.java b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSAMIAsyncClient.java
index cdcc825ae0..d194704b08 100644
--- a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSAMIAsyncClient.java
+++ b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSAMIAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.aws.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.util.Set;
 
@@ -27,7 +26,6 @@ import javax.ws.rs.FormParam;
 import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
-import org.jclouds.aws.ec2.AWSEC2AsyncClient;
 import org.jclouds.aws.ec2.xml.ProductCodesHandler;
 import org.jclouds.aws.filters.FormSigner;
 import org.jclouds.ec2.binders.BindProductCodesToIndexedFormParams;
@@ -51,7 +49,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values =  AWSEC2AsyncClient.VERSION)
 @VirtualHost
 public interface AWSAMIAsyncClient extends AMIAsyncClient {
    // TODO make AWSImage as it has product codes...
diff --git a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSInstanceAsyncClient.java b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSInstanceAsyncClient.java
index 3162e5b87b..5a09a40030 100644
--- a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSInstanceAsyncClient.java
+++ b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSInstanceAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.aws.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.util.Set;
 
@@ -27,7 +26,6 @@ import javax.ws.rs.FormParam;
 import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
-import org.jclouds.aws.ec2.AWSEC2AsyncClient;
 import org.jclouds.aws.ec2.domain.AWSRunningInstance;
 import org.jclouds.aws.ec2.xml.AWSDescribeInstancesResponseHandler;
 import org.jclouds.aws.ec2.xml.AWSRunInstancesResponseHandler;
@@ -57,7 +55,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = AWSEC2AsyncClient.VERSION)
 @VirtualHost
 public interface AWSInstanceAsyncClient extends InstanceAsyncClient {
 
diff --git a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSKeyPairAsyncClient.java b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSKeyPairAsyncClient.java
index fc03d3d547..cec98084a3 100644
--- a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSKeyPairAsyncClient.java
+++ b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSKeyPairAsyncClient.java
@@ -19,13 +19,11 @@
 package org.jclouds.aws.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import javax.ws.rs.FormParam;
 import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
-import org.jclouds.aws.ec2.AWSEC2AsyncClient;
 import org.jclouds.aws.ec2.functions.EncodedRSAPublicKeyToBase64;
 import org.jclouds.aws.filters.FormSigner;
 import org.jclouds.ec2.domain.KeyPair;
@@ -47,7 +45,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = AWSEC2AsyncClient.VERSION)
 @VirtualHost
 public interface AWSKeyPairAsyncClient extends KeyPairAsyncClient {
 
diff --git a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSSecurityGroupAsyncClient.java b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSSecurityGroupAsyncClient.java
index 217ff12ddc..c98a76a27a 100644
--- a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSSecurityGroupAsyncClient.java
+++ b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/AWSSecurityGroupAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.aws.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.util.Set;
 
@@ -27,7 +26,6 @@ import javax.ws.rs.FormParam;
 import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
-import org.jclouds.aws.ec2.AWSEC2AsyncClient;
 import org.jclouds.aws.ec2.options.CreateSecurityGroupOptions;
 import org.jclouds.aws.ec2.xml.CreateSecurityGroupResponseHandler;
 import org.jclouds.aws.filters.FormSigner;
@@ -60,7 +58,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = AWSEC2AsyncClient.VERSION)
 @VirtualHost
 @Beta
 public interface AWSSecurityGroupAsyncClient extends SecurityGroupAsyncClient {
diff --git a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/MonitoringAsyncClient.java b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/MonitoringAsyncClient.java
index d2964787e5..e219917413 100644
--- a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/MonitoringAsyncClient.java
+++ b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/MonitoringAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.aws.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.util.Map;
 
@@ -27,7 +26,6 @@ import javax.ws.rs.FormParam;
 import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
-import org.jclouds.aws.ec2.AWSEC2AsyncClient;
 import org.jclouds.aws.ec2.domain.MonitoringState;
 import org.jclouds.aws.ec2.xml.MonitoringStateHandler;
 import org.jclouds.aws.filters.FormSigner;
@@ -50,7 +48,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = AWSEC2AsyncClient.VERSION)
 @VirtualHost
 public interface MonitoringAsyncClient {
 
diff --git a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/PlacementGroupAsyncClient.java b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/PlacementGroupAsyncClient.java
index 2383e8d9e5..9f6084ad30 100644
--- a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/PlacementGroupAsyncClient.java
+++ b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/PlacementGroupAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.aws.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.util.Set;
 
@@ -27,7 +26,6 @@ import javax.ws.rs.FormParam;
 import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
-import org.jclouds.aws.ec2.AWSEC2AsyncClient;
 import org.jclouds.aws.ec2.domain.PlacementGroup;
 import org.jclouds.aws.ec2.xml.DescribePlacementGroupsResponseHandler;
 import org.jclouds.aws.filters.FormSigner;
@@ -53,7 +51,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = AWSEC2AsyncClient.VERSION)
 @VirtualHost
 public interface PlacementGroupAsyncClient {
 
diff --git a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/SpotInstanceAsyncClient.java b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/SpotInstanceAsyncClient.java
index fc8a919dbb..d65626b69f 100644
--- a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/SpotInstanceAsyncClient.java
+++ b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/SpotInstanceAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.aws.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.util.Set;
 
@@ -27,7 +26,6 @@ import javax.ws.rs.FormParam;
 import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
-import org.jclouds.aws.ec2.AWSEC2AsyncClient;
 import org.jclouds.aws.ec2.binders.BindLaunchSpecificationToFormParams;
 import org.jclouds.aws.ec2.binders.BindSpotInstanceRequestIdsToIndexedFormParams;
 import org.jclouds.aws.ec2.domain.LaunchSpecification;
@@ -60,7 +58,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Adrian Cole
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = AWSEC2AsyncClient.VERSION)
 @VirtualHost
 public interface SpotInstanceAsyncClient {
 
diff --git a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/TagAsyncClient.java b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/TagAsyncClient.java
index 49ceee9498..8a4513af9e 100644
--- a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/TagAsyncClient.java
+++ b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/services/TagAsyncClient.java
@@ -19,7 +19,6 @@
 package org.jclouds.aws.ec2.services;
 
 import static org.jclouds.aws.reference.FormParameters.ACTION;
-import static org.jclouds.aws.reference.FormParameters.VERSION;
 
 import java.util.Map;
 import java.util.Set;
@@ -27,7 +26,6 @@ import java.util.Set;
 import javax.ws.rs.POST;
 import javax.ws.rs.Path;
 
-import org.jclouds.aws.ec2.AWSEC2AsyncClient;
 import org.jclouds.aws.ec2.binders.BindResourceIdsToIndexedFormParams;
 import org.jclouds.aws.ec2.binders.BindTagFiltersToIndexedFormParams;
 import org.jclouds.aws.ec2.binders.BindTagsToIndexedFormParams;
@@ -55,7 +53,6 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author grkvlt@apache.org
  */
 @RequestFilters(FormSigner.class)
-@FormParams(keys = VERSION, values = AWSEC2AsyncClient.VERSION)
 @VirtualHost
 public interface TagAsyncClient {
     /**
diff --git a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSAMIAsyncClientTest.java b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSAMIAsyncClientTest.java
index b19e71bbe1..0d253b6b96 100644
--- a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSAMIAsyncClientTest.java
+++ b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSAMIAsyncClientTest.java
@@ -63,7 +63,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=CreateImage&InstanceId=instanceId&Name=name",
+      assertPayloadEquals(request, "Action=CreateImage&InstanceId=instanceId&Name=name",
             "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ParseSax.class);
       assertSaxResponseParserClassEquals(method, ImageIdHandler.class);
@@ -82,7 +82,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=CreateImage&InstanceId=instanceId&Name=name&Description=description&NoReboot=true",
+            "Action=CreateImage&InstanceId=instanceId&Name=name&Description=description&NoReboot=true",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -99,7 +99,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DescribeImages", "application/x-www-form-urlencoded",
+      assertPayloadEquals(request, "Action=DescribeImages", "application/x-www-form-urlencoded",
             false);
    
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -121,7 +121,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
                request,
-               "Version=2011-05-15&Action=DescribeImages&Filter.1.Name=state&Filter.1.Value.1=available&Filter.2.Name=image-type&Filter.2.Value.1=machine&ExecutableBy=me&Owner.1=fred&Owner.2=nancy&ImageId.1=1&ImageId.2=2",
+               "Action=DescribeImages&Filter.1.Name=state&Filter.1.Value.1=available&Filter.2.Name=image-type&Filter.2.Value.1=machine&ExecutableBy=me&Owner.1=fred&Owner.2=nancy&ImageId.1=1&ImageId.2=2",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -137,7 +137,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DeregisterImage&ImageId=imageId",
+      assertPayloadEquals(request, "Action=DeregisterImage&ImageId=imageId",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -154,7 +154,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=RegisterImage&ImageLocation=pathToManifest&Name=name",
+      assertPayloadEquals(request, "Action=RegisterImage&ImageLocation=pathToManifest&Name=name",
             "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ParseSax.class);
       assertSaxResponseParserClassEquals(method, ImageIdHandler.class);
@@ -172,7 +172,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=RegisterImage&ImageLocation=pathToManifest&Name=name&Description=description",
+            "Action=RegisterImage&ImageLocation=pathToManifest&Name=name&Description=description",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -191,7 +191,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=RegisterImage&RootDeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.DeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.Ebs.SnapshotId=snapshotId&Name=imageName",
+            "Action=RegisterImage&RootDeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.DeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.Ebs.SnapshotId=snapshotId&Name=imageName",
             "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ParseSax.class);
       assertSaxResponseParserClassEquals(method, ImageIdHandler.class);
@@ -216,7 +216,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=RegisterImage&RootDeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.DeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.Ebs.SnapshotId=snapshotId&Name=imageName&Description=description&BlockDeviceMapping.1.Ebs.DeleteOnTermination=false&BlockDeviceMapping.1.DeviceName=%2Fdev%2Fdevice&BlockDeviceMapping.1.Ebs.SnapshotId=snapshot&BlockDeviceMapping.2.Ebs.DeleteOnTermination=false&BlockDeviceMapping.2.DeviceName=%2Fdev%2Fnewdevice&BlockDeviceMapping.2.VirtualName=newblock&BlockDeviceMapping.2.Ebs.VolumeSize=100",
+            "Action=RegisterImage&RootDeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.DeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.0.Ebs.SnapshotId=snapshotId&Name=imageName&Description=description&BlockDeviceMapping.1.Ebs.DeleteOnTermination=false&BlockDeviceMapping.1.DeviceName=%2Fdev%2Fdevice&BlockDeviceMapping.1.Ebs.SnapshotId=snapshot&BlockDeviceMapping.2.Ebs.DeleteOnTermination=false&BlockDeviceMapping.2.DeviceName=%2Fdev%2Fnewdevice&BlockDeviceMapping.2.VirtualName=newblock&BlockDeviceMapping.2.Ebs.VolumeSize=100",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -233,7 +233,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=DescribeImageAttribute&Attribute=productCodes&ImageId=imageId",
+            "Action=DescribeImageAttribute&Attribute=productCodes&ImageId=imageId",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -251,7 +251,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=DescribeImageAttribute&Attribute=blockDeviceMapping&ImageId=imageId",
+            "Action=DescribeImageAttribute&Attribute=blockDeviceMapping&ImageId=imageId",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -269,7 +269,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=DescribeImageAttribute&Attribute=launchPermission&ImageId=imageId",
+            "Action=DescribeImageAttribute&Attribute=launchPermission&ImageId=imageId",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -289,7 +289,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=ModifyImageAttribute&OperationType=add&Attribute=launchPermission&ImageId=imageId&UserGroup.1=all&UserId.1=bob&UserId.2=sue",
+            "Action=ModifyImageAttribute&OperationType=add&Attribute=launchPermission&ImageId=imageId&UserGroup.1=all&UserId.1=bob&UserId.2=sue",
             "application/x-www-form-urlencoded", false);
   
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -309,7 +309,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=ModifyImageAttribute&OperationType=remove&Attribute=launchPermission&ImageId=imageId&UserGroup.1=all&UserId.1=bob&UserId.2=sue",
+            "Action=ModifyImageAttribute&OperationType=remove&Attribute=launchPermission&ImageId=imageId&UserGroup.1=all&UserId.1=bob&UserId.2=sue",
             "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
       assertSaxResponseParserClassEquals(method, null);
@@ -326,7 +326,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=ResetImageAttribute&Attribute=launchPermission&ImageId=imageId",
+            "Action=ResetImageAttribute&Attribute=launchPermission&ImageId=imageId",
             "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
       assertSaxResponseParserClassEquals(method, null);
@@ -344,7 +344,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=ModifyImageAttribute&OperationType=add&Attribute=productCodes&ImageId=imageId&ProductCode.1=code1&ProductCode.2=code2",
+            "Action=ModifyImageAttribute&OperationType=add&Attribute=productCodes&ImageId=imageId&ProductCode.1=code1&ProductCode.2=code2",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -363,7 +363,7 @@ public class AWSAMIAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSAMIAsync
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=ModifyImageAttribute&OperationType=remove&Attribute=productCodes&ImageId=imageId&ProductCode.1=code1&ProductCode.2=code2",
+            "Action=ModifyImageAttribute&OperationType=remove&Attribute=productCodes&ImageId=imageId&ProductCode.1=code1&ProductCode.2=code2",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
diff --git a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSInstanceAsyncClientTest.java b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSInstanceAsyncClientTest.java
index 49cc347f13..dd0f9cdaf0 100644
--- a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSInstanceAsyncClientTest.java
+++ b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSInstanceAsyncClientTest.java
@@ -62,7 +62,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DescribeInstances", "application/x-www-form-urlencoded",
+      assertPayloadEquals(request, "Action=DescribeInstances", "application/x-www-form-urlencoded",
             false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -78,7 +78,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DescribeInstances&InstanceId.1=1&InstanceId.2=2",
+      assertPayloadEquals(request, "Action=DescribeInstances&InstanceId.1=1&InstanceId.2=2",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -95,7 +95,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=TerminateInstances&InstanceId.1=1&InstanceId.2=2",
+      assertPayloadEquals(request, "Action=TerminateInstances&InstanceId.1=1&InstanceId.2=2",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -113,11 +113,11 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       try {
-         assertPayloadEquals(request, "Version=2011-05-15&Action=RunInstances&ImageId=ami-voo&MinCount=1&MaxCount=1",
+         assertPayloadEquals(request, "Action=RunInstances&ImageId=ami-voo&MinCount=1&MaxCount=1",
                "application/x-www-form-urlencoded", false);
       } catch (AssertionError e) {
          // mvn 3.0 osx 10.6.5 somehow sorts differently
-         assertPayloadEquals(request, "Version=2011-05-15&Action=RunInstances&ImageId=ami-voo&MaxCount=1&MinCount=1",
+         assertPayloadEquals(request, "Action=RunInstances&ImageId=ami-voo&MaxCount=1&MinCount=1",
                "application/x-www-form-urlencoded", false);
       }
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -145,13 +145,13 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       try {
          assertPayloadEquals(
                request,
-               "Version=2011-05-15&Action=RunInstances&ImageId=ami-voo&MinCount=1&MaxCount=5&KernelId=kernelId&Monitoring.Enabled=true&SecurityGroup.1=group1&SecurityGroup.2=group2&Placement.AvailabilityZone=us-east-1a",
+               "Action=RunInstances&ImageId=ami-voo&MinCount=1&MaxCount=5&KernelId=kernelId&Monitoring.Enabled=true&SecurityGroup.1=group1&SecurityGroup.2=group2&Placement.AvailabilityZone=us-east-1a",
                "application/x-www-form-urlencoded", false);
       } catch (AssertionError e) {
          // mvn 3.0 osx 10.6.5 somehow sorts differently
          assertPayloadEquals(
                request,
-               "Version=2011-05-15&Action=RunInstances&ImageId=ami-voo&MaxCount=5&MinCount=1&KernelId=kernelId&Monitoring.Enabled=true&SecurityGroup.1=group1&SecurityGroup.2=group2&Placement.AvailabilityZone=us-east-1a",
+               "Action=RunInstances&ImageId=ami-voo&MaxCount=5&MinCount=1&KernelId=kernelId&Monitoring.Enabled=true&SecurityGroup.1=group1&SecurityGroup.2=group2&Placement.AvailabilityZone=us-east-1a",
                "application/x-www-form-urlencoded", false);
       }
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -168,7 +168,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=StopInstances&Force=true&InstanceId.1=1&InstanceId.2=2",
+      assertPayloadEquals(request, "Action=StopInstances&Force=true&InstanceId.1=1&InstanceId.2=2",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -185,7 +185,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=RebootInstances&InstanceId.1=1&InstanceId.2=2",
+      assertPayloadEquals(request, "Action=RebootInstances&InstanceId.1=1&InstanceId.2=2",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -202,7 +202,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=StartInstances&InstanceId.1=1&InstanceId.2=2",
+      assertPayloadEquals(request, "Action=StartInstances&InstanceId.1=1&InstanceId.2=2",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -220,7 +220,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=DescribeInstanceAttribute&Attribute=userData&InstanceId=1",
+            "Action=DescribeInstanceAttribute&Attribute=userData&InstanceId=1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -238,7 +238,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=DescribeInstanceAttribute&Attribute=rootDeviceName&InstanceId=1",
+            "Action=DescribeInstanceAttribute&Attribute=rootDeviceName&InstanceId=1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -256,7 +256,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=DescribeInstanceAttribute&Attribute=ramdisk&InstanceId=1",
+            "Action=DescribeInstanceAttribute&Attribute=ramdisk&InstanceId=1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -275,7 +275,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=DescribeInstanceAttribute&Attribute=disableApiTermination&InstanceId=1",
+            "Action=DescribeInstanceAttribute&Attribute=disableApiTermination&InstanceId=1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -292,7 +292,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DescribeInstanceAttribute&Attribute=kernel&InstanceId=1",
+      assertPayloadEquals(request, "Action=DescribeInstanceAttribute&Attribute=kernel&InstanceId=1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -310,7 +310,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=DescribeInstanceAttribute&Attribute=instanceType&InstanceId=1",
+            "Action=DescribeInstanceAttribute&Attribute=instanceType&InstanceId=1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -330,7 +330,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=DescribeInstanceAttribute&Attribute=instanceInitiatedShutdownBehavior&InstanceId=1",
+            "Action=DescribeInstanceAttribute&Attribute=instanceInitiatedShutdownBehavior&InstanceId=1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -349,7 +349,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=DescribeInstanceAttribute&Attribute=blockDeviceMapping&InstanceId=1",
+            "Action=DescribeInstanceAttribute&Attribute=blockDeviceMapping&InstanceId=1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -367,7 +367,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=ModifyInstanceAttribute&Attribute=userData&Value=dGVzdA%3D%3D&InstanceId=1",
+            "Action=ModifyInstanceAttribute&Attribute=userData&Value=dGVzdA%3D%3D&InstanceId=1",
             "application/x-www-form-urlencoded", false);
       filter.filter(request);// ensure encoding worked properly
       assertPayloadEquals(
@@ -389,7 +389,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=ModifyInstanceAttribute&Attribute=ramdisk&Value=test&InstanceId=1",
+            "Action=ModifyInstanceAttribute&Attribute=ramdisk&Value=test&InstanceId=1",
             "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
       assertSaxResponseParserClassEquals(method, null);
@@ -406,7 +406,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=ModifyInstanceAttribute&Attribute=kernel&Value=test&InstanceId=1",
+            "Action=ModifyInstanceAttribute&Attribute=kernel&Value=test&InstanceId=1",
             "application/x-www-form-urlencoded", false);
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
       assertSaxResponseParserClassEquals(method, null);
@@ -425,7 +425,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=ModifyInstanceAttribute&Attribute=disableApiTermination&Value=true&InstanceId=1",
+            "Action=ModifyInstanceAttribute&Attribute=disableApiTermination&Value=true&InstanceId=1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -443,7 +443,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=ModifyInstanceAttribute&Attribute=instanceType&Value=c1.medium&InstanceId=1",
+            "Action=ModifyInstanceAttribute&Attribute=instanceType&Value=c1.medium&InstanceId=1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -463,7 +463,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=ModifyInstanceAttribute&Attribute=instanceInitiatedShutdownBehavior&Value=terminate&InstanceId=1",
+            "Action=ModifyInstanceAttribute&Attribute=instanceInitiatedShutdownBehavior&Value=terminate&InstanceId=1",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -486,7 +486,7 @@ public class AWSInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSIns
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=ModifyInstanceAttribute&InstanceId=1&BlockDeviceMapping.1.Ebs.VolumeId=vol-test1&BlockDeviceMapping.1.DeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.1.Ebs.DeleteOnTermination=true",
+            "Action=ModifyInstanceAttribute&InstanceId=1&BlockDeviceMapping.1.Ebs.VolumeId=vol-test1&BlockDeviceMapping.1.DeviceName=%2Fdev%2Fsda1&BlockDeviceMapping.1.Ebs.DeleteOnTermination=true",
             "application/x-www-form-urlencoded", false);
       filter.filter(request);// ensure encoding worked properly
       assertPayloadEquals(
diff --git a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSKeyPairAsyncClientTest.java b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSKeyPairAsyncClientTest.java
index 45eb6c5959..aea88eab80 100644
--- a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSKeyPairAsyncClientTest.java
+++ b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSKeyPairAsyncClientTest.java
@@ -48,7 +48,7 @@ public class AWSKeyPairAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSKeyP
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=CreateKeyPair&KeyName=mykey",
+      assertPayloadEquals(request, "Action=CreateKeyPair&KeyName=mykey",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -65,7 +65,7 @@ public class AWSKeyPairAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSKeyP
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=ImportKeyPair&PublicKeyMaterial=c3NoLXJzYSBBQQ%3D%3D&KeyName=mykey",
+      assertPayloadEquals(request, "Action=ImportKeyPair&PublicKeyMaterial=c3NoLXJzYSBBQQ%3D%3D&KeyName=mykey",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -81,7 +81,7 @@ public class AWSKeyPairAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSKeyP
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DeleteKeyPair&KeyName=mykey",
+      assertPayloadEquals(request, "Action=DeleteKeyPair&KeyName=mykey",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -98,7 +98,7 @@ public class AWSKeyPairAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSKeyP
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DescribeKeyPairs", "application/x-www-form-urlencoded",
+      assertPayloadEquals(request, "Action=DescribeKeyPairs", "application/x-www-form-urlencoded",
             false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -115,7 +115,7 @@ public class AWSKeyPairAsyncClientTest extends BaseAWSEC2AsyncClientTest<AWSKeyP
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DescribeKeyPairs&KeyName.1=1&KeyName.2=2",
+      assertPayloadEquals(request, "Action=DescribeKeyPairs&KeyName.1=1&KeyName.2=2",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
diff --git a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSSecurityGroupAsyncClientTest.java b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSSecurityGroupAsyncClientTest.java
index aca85b95f5..35e0489952 100644
--- a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSSecurityGroupAsyncClientTest.java
+++ b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/AWSSecurityGroupAsyncClientTest.java
@@ -58,7 +58,7 @@ public class AWSSecurityGroupAsyncClientTest extends BaseAWSEC2AsyncClientTest<A
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DeleteSecurityGroup&GroupId=id",
+      assertPayloadEquals(request, "Action=DeleteSecurityGroup&GroupId=id",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -75,7 +75,7 @@ public class AWSSecurityGroupAsyncClientTest extends BaseAWSEC2AsyncClientTest<A
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DescribeSecurityGroups",
+      assertPayloadEquals(request, "Action=DescribeSecurityGroups",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -92,7 +92,7 @@ public class AWSSecurityGroupAsyncClientTest extends BaseAWSEC2AsyncClientTest<A
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DescribeSecurityGroups&GroupId.1=1&GroupId.2=2",
+      assertPayloadEquals(request, "Action=DescribeSecurityGroups&GroupId.1=1&GroupId.2=2",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -110,7 +110,7 @@ public class AWSSecurityGroupAsyncClientTest extends BaseAWSEC2AsyncClientTest<A
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=CreateSecurityGroup&GroupDescription=description&GroupName=name",
+            "Action=CreateSecurityGroup&GroupDescription=description&GroupName=name",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -129,7 +129,7 @@ public class AWSSecurityGroupAsyncClientTest extends BaseAWSEC2AsyncClientTest<A
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=AuthorizeSecurityGroupIngress&GroupId=group&IpPermissions.0.IpProtocol=-1&IpPermissions.0.FromPort=1&IpPermissions.0.ToPort=65535&IpPermissions.0.IpRanges.0.CidrIp=0.0.0.0%2F0",
+            "Action=AuthorizeSecurityGroupIngress&GroupId=group&IpPermissions.0.IpProtocol=-1&IpPermissions.0.FromPort=1&IpPermissions.0.ToPort=65535&IpPermissions.0.IpRanges.0.CidrIp=0.0.0.0%2F0",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -150,7 +150,7 @@ public class AWSSecurityGroupAsyncClientTest extends BaseAWSEC2AsyncClientTest<A
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=AuthorizeSecurityGroupIngress&GroupId=group&IpPermissions.0.IpProtocol=tcp&IpPermissions.0.FromPort=1&IpPermissions.0.ToPort=65535&IpPermissions.0.IpRanges.0.CidrIp=1.1.1.1%2F32&IpPermissions.1.IpProtocol=icmp&IpPermissions.1.FromPort=8&IpPermissions.1.ToPort=0&IpPermissions.1.Groups.0.GroupId=groupId",
+            "Action=AuthorizeSecurityGroupIngress&GroupId=group&IpPermissions.0.IpProtocol=tcp&IpPermissions.0.FromPort=1&IpPermissions.0.ToPort=65535&IpPermissions.0.IpRanges.0.CidrIp=1.1.1.1%2F32&IpPermissions.1.IpProtocol=icmp&IpPermissions.1.FromPort=8&IpPermissions.1.ToPort=0&IpPermissions.1.Groups.0.GroupId=groupId",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -169,7 +169,7 @@ public class AWSSecurityGroupAsyncClientTest extends BaseAWSEC2AsyncClientTest<A
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=RevokeSecurityGroupIngress&GroupId=group&IpPermissions.0.IpProtocol=-1&IpPermissions.0.FromPort=1&IpPermissions.0.ToPort=65535&IpPermissions.0.IpRanges.0.CidrIp=0.0.0.0%2F0",
+            "Action=RevokeSecurityGroupIngress&GroupId=group&IpPermissions.0.IpProtocol=-1&IpPermissions.0.FromPort=1&IpPermissions.0.ToPort=65535&IpPermissions.0.IpRanges.0.CidrIp=0.0.0.0%2F0",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -190,7 +190,7 @@ public class AWSSecurityGroupAsyncClientTest extends BaseAWSEC2AsyncClientTest<A
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=RevokeSecurityGroupIngress&GroupId=group&IpPermissions.0.IpProtocol=tcp&IpPermissions.0.FromPort=1&IpPermissions.0.ToPort=65535&IpPermissions.0.IpRanges.0.CidrIp=1.1.1.1%2F32&IpPermissions.1.IpProtocol=icmp&IpPermissions.1.FromPort=8&IpPermissions.1.ToPort=0&IpPermissions.1.Groups.0.GroupId=groupId",
+            "Action=RevokeSecurityGroupIngress&GroupId=group&IpPermissions.0.IpProtocol=tcp&IpPermissions.0.FromPort=1&IpPermissions.0.ToPort=65535&IpPermissions.0.IpRanges.0.CidrIp=1.1.1.1%2F32&IpPermissions.1.IpProtocol=icmp&IpPermissions.1.FromPort=8&IpPermissions.1.ToPort=0&IpPermissions.1.Groups.0.GroupId=groupId",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
diff --git a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/MonitoringAsyncClientTest.java b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/MonitoringAsyncClientTest.java
index 3165fd5afb..f9de8faf73 100644
--- a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/MonitoringAsyncClientTest.java
+++ b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/MonitoringAsyncClientTest.java
@@ -45,7 +45,7 @@ public class MonitoringAsyncClientTest extends BaseAWSEC2AsyncClientTest<Monitor
       HttpRequest request = processor.createRequest(method, null, "instance1", "instance2");
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
-      String payload = "Version=2011-05-15&Action=UnmonitorInstances&InstanceId.0=instance1&InstanceId.1=instance2";
+      String payload = "Action=UnmonitorInstances&InstanceId.0=instance1&InstanceId.1=instance2";
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request, payload, "application/x-www-form-urlencoded", false);
 
@@ -64,7 +64,7 @@ public class MonitoringAsyncClientTest extends BaseAWSEC2AsyncClientTest<Monitor
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(request,
-            "Version=2011-05-15&Action=MonitorInstances&InstanceId.0=instance1&InstanceId.1=instance2",
+            "Action=MonitorInstances&InstanceId.0=instance1&InstanceId.1=instance2",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
diff --git a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/PlacementGroupAsyncClientTest.java b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/PlacementGroupAsyncClientTest.java
index f5d66f12b6..94a4a92006 100644
--- a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/PlacementGroupAsyncClientTest.java
+++ b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/PlacementGroupAsyncClientTest.java
@@ -48,7 +48,7 @@ public class PlacementGroupAsyncClientTest extends BaseAWSEC2AsyncClientTest<Pla
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DeletePlacementGroup&GroupName=name",
+      assertPayloadEquals(request, "Action=DeletePlacementGroup&GroupName=name",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -65,7 +65,7 @@ public class PlacementGroupAsyncClientTest extends BaseAWSEC2AsyncClientTest<Pla
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=CreatePlacementGroup&Strategy=cluster&GroupName=name",
+      assertPayloadEquals(request, "Action=CreatePlacementGroup&Strategy=cluster&GroupName=name",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -82,7 +82,7 @@ public class PlacementGroupAsyncClientTest extends BaseAWSEC2AsyncClientTest<Pla
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=CreatePlacementGroup&Strategy=cluster&GroupName=name",
+      assertPayloadEquals(request, "Action=CreatePlacementGroup&Strategy=cluster&GroupName=name",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -99,7 +99,7 @@ public class PlacementGroupAsyncClientTest extends BaseAWSEC2AsyncClientTest<Pla
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DescribePlacementGroups",
+      assertPayloadEquals(request, "Action=DescribePlacementGroups",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -116,7 +116,7 @@ public class PlacementGroupAsyncClientTest extends BaseAWSEC2AsyncClientTest<Pla
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DescribePlacementGroups&GroupName.1=1&GroupName.2=2",
+      assertPayloadEquals(request, "Action=DescribePlacementGroups&GroupName.1=1&GroupName.2=2",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
diff --git a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/SpotInstanceAsyncClientTest.java b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/SpotInstanceAsyncClientTest.java
index 79a9ce2cf9..37d5af2123 100644
--- a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/SpotInstanceAsyncClientTest.java
+++ b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/SpotInstanceAsyncClientTest.java
@@ -55,7 +55,7 @@ public class SpotInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<SpotI
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=RequestSpotInstances&LaunchSpecification.ImageId=m1.small&SpotPrice=0.01&LaunchSpecification.InstanceType=ami-voo",
+            "Action=RequestSpotInstances&LaunchSpecification.ImageId=m1.small&SpotPrice=0.01&LaunchSpecification.InstanceType=ami-voo",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -77,7 +77,7 @@ public class SpotInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<SpotI
       assertNonPayloadHeadersEqual(request, "Host: ec2.eu-west-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=RequestSpotInstances&InstanceCount=3&SpotPrice=0.01&ValidFrom=1970-05-23T21%3A21%3A18Z&ValidUntil=2009-02-13T23%3A31%3A31Z&AvailabilityZoneGroup=availabilityZoneGroup&LaunchGroup=launchGroup&LaunchSpecification.ImageId=ami-voo&LaunchSpecification.Placement.AvailabilityZone=eu-west-1a&LaunchSpecification.SecurityGroup.1=group1&LaunchSpecification.InstanceType=m1.small&LaunchSpecification.KernelId=kernelId",
+            "Action=RequestSpotInstances&InstanceCount=3&SpotPrice=0.01&ValidFrom=1970-05-23T21%3A21%3A18Z&ValidUntil=2009-02-13T23%3A31%3A31Z&AvailabilityZoneGroup=availabilityZoneGroup&LaunchGroup=launchGroup&LaunchSpecification.ImageId=ami-voo&LaunchSpecification.Placement.AvailabilityZone=eu-west-1a&LaunchSpecification.SecurityGroup.1=group1&LaunchSpecification.InstanceType=m1.small&LaunchSpecification.KernelId=kernelId",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -94,7 +94,7 @@ public class SpotInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<SpotI
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=CancelSpotInstanceRequests&SpotInstanceRequestId.1=id",
+      assertPayloadEquals(request, "Action=CancelSpotInstanceRequests&SpotInstanceRequestId.1=id",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -111,7 +111,7 @@ public class SpotInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<SpotI
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DescribeSpotInstanceRequests",
+      assertPayloadEquals(request, "Action=DescribeSpotInstanceRequests",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -130,7 +130,7 @@ public class SpotInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<SpotI
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=DescribeSpotInstanceRequests&SpotInstanceRequestId.1=1&SpotInstanceRequestId.2=2",
+            "Action=DescribeSpotInstanceRequests&SpotInstanceRequestId.1=1&SpotInstanceRequestId.2=2",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -147,7 +147,7 @@ public class SpotInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<SpotI
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DescribeSpotPriceHistory",
+      assertPayloadEquals(request, "Action=DescribeSpotPriceHistory",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -170,7 +170,7 @@ public class SpotInstanceAsyncClientTest extends BaseAWSEC2AsyncClientTest<SpotI
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
       assertPayloadEquals(
             request,
-            "Version=2011-05-15&Action=DescribeSpotPriceHistory&StartTime=1970-05-23T21%3A21%3A18.910Z&EndTime=2009-02-13T23%3A31%3A31.011Z&ProductDescription=description&InstanceType.1=m1.small",
+            "Action=DescribeSpotPriceHistory&StartTime=1970-05-23T21%3A21%3A18.910Z&EndTime=2009-02-13T23%3A31%3A31.011Z&ProductDescription=description&InstanceType.1=m1.small",
             "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
diff --git a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/TagAsyncClientTest.java b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/TagAsyncClientTest.java
index 4b0292f020..33dd784b83 100644
--- a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/TagAsyncClientTest.java
+++ b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/services/TagAsyncClientTest.java
@@ -50,7 +50,7 @@ public class TagAsyncClientTest extends BaseAWSEC2AsyncClientTest<TagAsyncClient
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DeleteTags&Tag.1.Key=yyy&Tag.1.Value=zzz&ResourceId.1=xxx",
+      assertPayloadEquals(request, "Action=DeleteTags&Tag.1.Key=yyy&Tag.1.Value=zzz&ResourceId.1=xxx",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -66,7 +66,7 @@ public class TagAsyncClientTest extends BaseAWSEC2AsyncClientTest<TagAsyncClient
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=CreateTags&Tag.1.Key=yyy&Tag.1.Value=zzz&ResourceId.1=xxx",
+      assertPayloadEquals(request, "Action=CreateTags&Tag.1.Key=yyy&Tag.1.Value=zzz&ResourceId.1=xxx",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ReleasePayloadAndReturn.class);
@@ -82,7 +82,7 @@ public class TagAsyncClientTest extends BaseAWSEC2AsyncClientTest<TagAsyncClient
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DescribeTags",
+      assertPayloadEquals(request, "Action=DescribeTags",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);
@@ -98,7 +98,7 @@ public class TagAsyncClientTest extends BaseAWSEC2AsyncClientTest<TagAsyncClient
 
       assertRequestLineEquals(request, "POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1");
       assertNonPayloadHeadersEqual(request, "Host: ec2.us-east-1.amazonaws.com\n");
-      assertPayloadEquals(request, "Version=2011-05-15&Action=DescribeTags&Filter.1.Name=key&Filter.1.Value.1=one&Filter.1.Value.2=two",
+      assertPayloadEquals(request, "Action=DescribeTags&Filter.1.Name=key&Filter.1.Value.1=one&Filter.1.Value.2=two",
                "application/x-www-form-urlencoded", false);
 
       assertResponseParserClassEquals(method, request, ParseSax.class);