diff --git a/graph/src/main/scala/org/apache/spark/graph/GraphLoader.scala b/graph/src/main/scala/org/apache/spark/graph/GraphLoader.scala
index 2295084024..313737fdbe 100644
--- a/graph/src/main/scala/org/apache/spark/graph/GraphLoader.scala
+++ b/graph/src/main/scala/org/apache/spark/graph/GraphLoader.scala
@@ -55,7 +55,6 @@ object GraphLoader {
   private def fromEdges[ED: ClassManifest](edges: RDD[Edge[ED]]): GraphImpl[Int, ED] = {
     val vertices = edges.flatMap { edge => List((edge.srcId, 1), (edge.dstId, 1)) }
       .reduceByKey(_ + _)
-      .map{ case (vid, degree) => (vid, degree) }
     GraphImpl(vertices, edges, 0)
   }
 }