diff --git a/providers/aws-s3/src/main/java/org/jclouds/aws/s3/blobstore/AWSS3BlobRequestSigner.java b/providers/aws-s3/src/main/java/org/jclouds/aws/s3/blobstore/AWSS3BlobRequestSigner.java
index dc33ec2481..02d1b38761 100644
--- a/providers/aws-s3/src/main/java/org/jclouds/aws/s3/blobstore/AWSS3BlobRequestSigner.java
+++ b/providers/aws-s3/src/main/java/org/jclouds/aws/s3/blobstore/AWSS3BlobRequestSigner.java
@@ -72,17 +72,14 @@ public class AWSS3BlobRequestSigner extends S3BlobRequestSigner<AWSS3AsyncClient
    public HttpRequest signGetBlob(String container, String name, long timeInSeconds) {
       checkNotNull(container, "container");
       checkNotNull(name, "name");
-      HttpRequest request = processor.apply(Invocation.create(getMethod, ImmutableList.<Object> of(container, name)));
-      return cleanRequest(signForTemporaryAccess(request, timeInSeconds));
+      throw new UnsupportedOperationException();
    }
 
    @Override
    public HttpRequest signPutBlob(String container, Blob blob, long timeInSeconds) {
       checkNotNull(container, "container");
       checkNotNull(blob, "blob");
-      HttpRequest request = processor.apply(Invocation.create(createMethod,
-         ImmutableList.<Object>of(container, blobToObject.apply(blob))));
-      return cleanRequest(signForTemporaryAccess(request, timeInSeconds));
+      throw new UnsupportedOperationException();
    }
 
    private HttpRequest signForTemporaryAccess(HttpRequest request, long timeInSeconds) {
diff --git a/providers/aws-s3/src/test/java/org/jclouds/aws/s3/blobstore/AWSS3BlobSignerExpectTest.java b/providers/aws-s3/src/test/java/org/jclouds/aws/s3/blobstore/AWSS3BlobSignerExpectTest.java
index 0b38b0b420..eb278881fb 100644
--- a/providers/aws-s3/src/test/java/org/jclouds/aws/s3/blobstore/AWSS3BlobSignerExpectTest.java
+++ b/providers/aws-s3/src/test/java/org/jclouds/aws/s3/blobstore/AWSS3BlobSignerExpectTest.java
@@ -50,7 +50,7 @@ public class AWSS3BlobSignerExpectTest extends S3BlobSignerExpectTest {
          .addHeader("Date", DATE).build();
    }
 
-   @Test
+   @Test(expectedExceptions = UnsupportedOperationException.class)
    public void testSignGetBlobWithTime() {
       BlobStore getBlobWithTime = requestsSendResponses(init());
       HttpRequest compare = getBlobWithTime();
@@ -68,7 +68,7 @@ public class AWSS3BlobSignerExpectTest extends S3BlobSignerExpectTest {
          .addHeader("Date", DATE).build();
    }
 
-   @Test
+   @Test(expectedExceptions = UnsupportedOperationException.class)
    public void testSignPutBlobWithTime() throws Exception {
       BlobStore signPutBloblWithTime = requestsSendResponses(init());
       Blob blob = signPutBloblWithTime.blobBuilder(name).payload(text).contentType("text/plain").build();