diff --git a/graph/src/main/scala/org/apache/spark/graph/impl/GraphImpl.scala b/graph/src/main/scala/org/apache/spark/graph/impl/GraphImpl.scala
index c68f8c2130..b445c8ad2b 100644
--- a/graph/src/main/scala/org/apache/spark/graph/impl/GraphImpl.scala
+++ b/graph/src/main/scala/org/apache/spark/graph/impl/GraphImpl.scala
@@ -258,9 +258,6 @@ class GraphImpl[VD: ClassManifest, ED: ClassManifest] protected (
       }
     }
 
-    // Permit joining the result of mapReduceTriplets back with vTable
-    vTable.cache()
-
     // do the final reduction reusing the index map
     vTable.aggregateUsingIndex(preAgg, reduceFunc)
   } // end of mapReduceTriplets