diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 791482906d8..ade38a5121c 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -545,7 +545,6 @@ void SelectionDAGBuilder::clear() {
   NodeMap.clear();
   PendingLoads.clear();
   PendingExports.clear();
-  EdgeMapping.clear();
   DAG.clear();
   CurDebugLoc = DebugLoc();
   HasTailCall = false;
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
index f52c0e0b31e..baed7e6677e 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -273,10 +273,6 @@ public:
   /// SwitchInst code generation information.
   std::vector<BitTestBlock> BitTestCases;
 
-  /// EdgeMapping - If an edge from CurMBB to any MBB is changed (e.g. due to
-  /// scheduler custom lowering), track the change here.
-  DenseMap<MachineBasicBlock*, MachineBasicBlock*> EdgeMapping;
-
   // Emit PHI-node-operand constants only once even if used by multiple
   // PHI nodes.
   DenseMap<const Constant *, unsigned> ConstantsOut;