diff --git a/lib/Target/Mips/MipsFrameLowering.cpp b/lib/Target/Mips/MipsFrameLowering.cpp
index 07de2511936..19bb1a55e68 100644
--- a/lib/Target/Mips/MipsFrameLowering.cpp
+++ b/lib/Target/Mips/MipsFrameLowering.cpp
@@ -163,7 +163,6 @@ void MipsFrameLowering::emitPrologue(MachineFunction &MF) const {
     (MFI->getObjectOffset(MipsFI->getGPFI()) + RegSize) :
     MipsFI->getMaxCallFrameSize();
   unsigned StackSize = AlignOffset(LocalVarAreaOffset, StackAlign) +
-    AlignOffset(MipsFI->getRegSaveAreaSize(), StackAlign) +
     AlignOffset(MFI->getStackSize(), StackAlign);
 
    // Update stack size
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index 1ba138f5348..9d2cd1d612d 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -2459,7 +2459,6 @@ CopyMips64ByValRegs(MachineFunction &MF, SDValue Chain, DebugLoc dl,
   if (IsRegLoc) {
     Reg = std::find(Mips64IntRegs, Mips64IntRegs + 8, VA.getLocReg());
     FOOffset = (Reg - Mips64IntRegs) * 8 - 8 * 8;
-    MipsFI->setRegSaveAreaSize(-FOOffset);
   }
   else
     FOOffset = VA.getLocMemOffset();
diff --git a/lib/Target/Mips/MipsMachineFunction.h b/lib/Target/Mips/MipsMachineFunction.h
index be27606ed8e..bc30b6b2425 100644
--- a/lib/Target/Mips/MipsMachineFunction.h
+++ b/lib/Target/Mips/MipsMachineFunction.h
@@ -51,16 +51,12 @@ private:
   mutable int DynAllocFI; // Frame index of dynamically allocated stack area.   
   unsigned MaxCallFrameSize;
 
-  // Size of area on callee's stack frame which is used to save va_arg or 
-  // byval arguments passed in registers.
-  unsigned RegSaveAreaSize;
-
 public:
   MipsFunctionInfo(MachineFunction& MF)
   : MF(MF), SRetReturnReg(0), GlobalBaseReg(0),
     VarArgsFrameIndex(0), InArgFIRange(std::make_pair(-1, 0)),
     OutArgFIRange(std::make_pair(-1, 0)), GPFI(0), DynAllocFI(0),
-    MaxCallFrameSize(0), RegSaveAreaSize(0)
+    MaxCallFrameSize(0)
   {}
 
   bool isInArgFI(int FI) const {
@@ -104,11 +100,6 @@ public:
 
   unsigned getMaxCallFrameSize() const { return MaxCallFrameSize; }
   void setMaxCallFrameSize(unsigned S) { MaxCallFrameSize = S; }
-
-  unsigned getRegSaveAreaSize() const { return RegSaveAreaSize; }
-  void setRegSaveAreaSize(unsigned S) {
-    if (RegSaveAreaSize < S) RegSaveAreaSize = S;
-  }
 };
 
 } // end of namespace llvm