diff --git a/client/src/main/java/com/metamx/druid/BaseNode.java b/client/src/main/java/com/metamx/druid/BaseNode.java
index 7e75ea38347..dc45cd6eef8 100644
--- a/client/src/main/java/com/metamx/druid/BaseNode.java
+++ b/client/src/main/java/com/metamx/druid/BaseNode.java
@@ -30,7 +30,7 @@ import com.metamx.common.lifecycle.LifecycleStart;
 import com.metamx.common.lifecycle.LifecycleStop;
 import com.metamx.common.logger.Logger;
 import com.metamx.druid.http.RequestLogger;
-import com.metamx.druid.index.v1.serde.ComplexMetricRegistererer;
+import com.metamx.druid.index.v1.serde.Registererer;
 import com.metamx.druid.initialization.Initialization;
 import com.metamx.druid.initialization.ServerConfig;
 import com.metamx.druid.initialization.ZkClientConfig;
@@ -174,7 +174,7 @@ public abstract class BaseNode<T extends BaseNode>
   }
 
   @SuppressWarnings("unchecked")
-  public T registerComplexMetric(ComplexMetricRegistererer registererer)
+  public T registerHandler(Registererer registererer)
   {
     registererer.register();
     return (T) this;
diff --git a/index-common/src/main/java/com/metamx/druid/index/v1/IndexIO.java b/index-common/src/main/java/com/metamx/druid/index/v1/IndexIO.java
index 75352a25137..719b2350bbf 100644
--- a/index-common/src/main/java/com/metamx/druid/index/v1/IndexIO.java
+++ b/index-common/src/main/java/com/metamx/druid/index/v1/IndexIO.java
@@ -36,12 +36,10 @@ import org.joda.time.Interval;
 
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
-import java.nio.channels.FileChannel;
 import java.util.Map;
 
 /**
diff --git a/index-common/src/main/java/com/metamx/druid/index/v1/serde/ComplexMetricRegistererer.java b/index-common/src/main/java/com/metamx/druid/index/v1/serde/Registererer.java
similarity index 88%
rename from index-common/src/main/java/com/metamx/druid/index/v1/serde/ComplexMetricRegistererer.java
rename to index-common/src/main/java/com/metamx/druid/index/v1/serde/Registererer.java
index c0dcade7ed9..f560dfdc1e6 100644
--- a/index-common/src/main/java/com/metamx/druid/index/v1/serde/ComplexMetricRegistererer.java
+++ b/index-common/src/main/java/com/metamx/druid/index/v1/serde/Registererer.java
@@ -20,14 +20,14 @@
 package com.metamx.druid.index.v1.serde;
 
 /**
- * This is a "factory" interface for registering complex metrics in the system.  It exists because I'm unaware of
+ * This is a "factory" interface for registering handlers in the system.  It exists because I'm unaware of
  * another way to register the complex serdes in the MR jobs that run on Hadoop.  As such, instances of this interface
  * must be instantiatable via a no argument default constructor (the MR jobs on Hadoop use reflection to instantiate
  * instances).
  *
  * The name is not a typo, I felt that it needed an extra "er" to make the pronunciation that much more difficult.
  */
-public interface ComplexMetricRegistererer
+public interface Registererer
 {
   public void register();
 }
diff --git a/merger/src/main/java/com/metamx/druid/merger/coordinator/http/IndexerCoordinatorNode.java b/merger/src/main/java/com/metamx/druid/merger/coordinator/http/IndexerCoordinatorNode.java
index f907f2f5add..2b689c71706 100644
--- a/merger/src/main/java/com/metamx/druid/merger/coordinator/http/IndexerCoordinatorNode.java
+++ b/merger/src/main/java/com/metamx/druid/merger/coordinator/http/IndexerCoordinatorNode.java
@@ -41,6 +41,7 @@ import com.metamx.druid.http.GuiceServletConfig;
 import com.metamx.druid.http.RedirectFilter;
 import com.metamx.druid.http.RedirectInfo;
 import com.metamx.druid.http.StatusServlet;
+import com.metamx.druid.index.v1.serde.Registererer;
 import com.metamx.druid.initialization.Initialization;
 import com.metamx.druid.initialization.ServerConfig;
 import com.metamx.druid.initialization.ServiceDiscoveryConfig;
@@ -182,6 +183,12 @@ public class IndexerCoordinatorNode
     this.taskRunnerFactory = taskRunnerFactory;
   }
 
+  public IndexerCoordinatorNode registerHandler(Registererer registererer)
+  {
+    registererer.register();
+    return this;
+  }
+
   public void init() throws Exception
   {
     scheduledExecutorFactory = ScheduledExecutors.createFactory(lifecycle);
diff --git a/merger/src/main/java/com/metamx/druid/merger/worker/http/WorkerNode.java b/merger/src/main/java/com/metamx/druid/merger/worker/http/WorkerNode.java
index 67e1e2e089f..210a55bcf5f 100644
--- a/merger/src/main/java/com/metamx/druid/merger/worker/http/WorkerNode.java
+++ b/merger/src/main/java/com/metamx/druid/merger/worker/http/WorkerNode.java
@@ -29,6 +29,7 @@ import com.metamx.common.lifecycle.LifecycleStart;
 import com.metamx.common.lifecycle.LifecycleStop;
 import com.metamx.common.logger.Logger;
 import com.metamx.druid.http.StatusServlet;
+import com.metamx.druid.index.v1.serde.Registererer;
 import com.metamx.druid.initialization.CuratorConfig;
 import com.metamx.druid.initialization.Initialization;
 import com.metamx.druid.initialization.ServerConfig;
@@ -147,6 +148,12 @@ public class WorkerNode
     return this;
   }
 
+  public WorkerNode registerHandler(Registererer registererer)
+  {
+    registererer.register();
+    return this;
+  }
+
   public void init() throws Exception
   {
     initializeEmitter();