diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
index d980146ed17..dbb74a63244 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
@@ -5349,18 +5349,18 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver { //
     return results;
   }
 
-  public ClientProtos.RegionLoadStats mutateRow(RowMutations rm) throws IOException {
+  public void mutateRow(RowMutations rm) throws IOException {
     // Don't need nonces here - RowMutations only supports puts and deletes
-    return mutateRowsWithLocks(rm.getMutations(), Collections.singleton(rm.getRow()));
+    mutateRowsWithLocks(rm.getMutations(), Collections.singleton(rm.getRow()));
   }
 
   /**
    * Perform atomic mutations within the region w/o nonces.
    * See {@link #mutateRowsWithLocks(Collection, Collection, long, long)}
    */
-  public ClientProtos.RegionLoadStats mutateRowsWithLocks(Collection<Mutation> mutations,
+  public void mutateRowsWithLocks(Collection<Mutation> mutations,
       Collection<byte[]> rowsToLock) throws IOException {
-    return mutateRowsWithLocks(mutations, rowsToLock, HConstants.NO_NONCE, HConstants.NO_NONCE);
+    mutateRowsWithLocks(mutations, rowsToLock, HConstants.NO_NONCE, HConstants.NO_NONCE);
   }
 
   /**
@@ -5375,11 +5375,10 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver { //
    * <code>rowsToLock</code> is sorted in order to avoid deadlocks.
    * @throws IOException
    */
-  public ClientProtos.RegionLoadStats mutateRowsWithLocks(Collection<Mutation> mutations,
+  public void mutateRowsWithLocks(Collection<Mutation> mutations,
       Collection<byte[]> rowsToLock, long nonceGroup, long nonce) throws IOException {
     MultiRowMutationProcessor proc = new MultiRowMutationProcessor(mutations, rowsToLock);
     processRowsWithLocks(proc, -1, nonceGroup, nonce);
-    return getRegionStats();
   }
 
   /**
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RSRpcServices.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RSRpcServices.java
index f2e5571d1a6..8aef52bcabb 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RSRpcServices.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RSRpcServices.java
@@ -385,7 +385,8 @@ public class RSRpcServices implements HBaseRPCErrorHandler,
           throw new DoNotRetryIOException("Atomic put and/or delete only, not " + type.name());
       }
     }
-    return region.mutateRow(rm);
+    region.mutateRow(rm);
+    return region.getRegionStats();
   }
 
   /**