diff --git a/include/llvm/Target/MRegisterInfo.h b/include/llvm/Target/MRegisterInfo.h
index c1348823efd..2ca22b00b6b 100644
--- a/include/llvm/Target/MRegisterInfo.h
+++ b/include/llvm/Target/MRegisterInfo.h
@@ -310,8 +310,7 @@ public:
   /// finished product. The return value is the number of instructions
   /// added to (negative if removed from) the basic block.
   ///
-  virtual void eliminateFrameIndex(MachineFunction &MF,
-                                   MachineBasicBlock::iterator MI) const = 0;
+  virtual void eliminateFrameIndex(MachineBasicBlock::iterator MI) const = 0;
 
   /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
   /// the function. The return value is the number of instructions
diff --git a/lib/CodeGen/PrologEpilogInserter.cpp b/lib/CodeGen/PrologEpilogInserter.cpp
index a12b6ca33db..20442129650 100644
--- a/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/lib/CodeGen/PrologEpilogInserter.cpp
@@ -337,7 +337,7 @@ void PEI::replaceFrameIndices(MachineFunction &Fn) {
         if (I->getOperand(i).isFrameIndex()) {
           // If this instruction has a FrameIndex operand, we need to use that
           // target machine register info object to eliminate it.
-          MRI.eliminateFrameIndex(Fn, I);
+          MRI.eliminateFrameIndex(I);
           break;
         }
 }