diff --git a/lib/Target/Alpha/AlphaISelLowering.cpp b/lib/Target/Alpha/AlphaISelLowering.cpp
index 3c72e7f9815..eecb21a491f 100644
--- a/lib/Target/Alpha/AlphaISelLowering.cpp
+++ b/lib/Target/Alpha/AlphaISelLowering.cpp
@@ -325,7 +325,6 @@ AlphaTargetLowering::LowerArguments(Function &F, SelectionDAG &DAG)
 {
   MachineFunction &MF = DAG.getMachineFunction();
   MachineFrameInfo *MFI = MF.getFrameInfo();
-  MachineBasicBlock& BB = MF.front();
   std::vector<SDOperand> ArgValues;
 
   unsigned args_int[] = {