diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp
index 4ead9c9d8c4..9e182efbbbf 100644
--- a/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -548,9 +548,6 @@ FastISel::SelectInstruction(Instruction *I) {
 /// the CFG.
 void
 FastISel::FastEmitBranch(MachineBasicBlock *MSucc) {
-  MachineFunction::iterator NextMBB =
-     llvm::next(MachineFunction::iterator(MBB));
-
   if (MBB->isLayoutSuccessor(MSucc)) {
     // The unconditional fall-through case, which needs no instructions.
   } else {