diff --git a/lib/Target/Mips/MipsSEInstrInfo.cpp b/lib/Target/Mips/MipsSEInstrInfo.cpp
index ddfef0529d2..19e5e925368 100644
--- a/lib/Target/Mips/MipsSEInstrInfo.cpp
+++ b/lib/Target/Mips/MipsSEInstrInfo.cpp
@@ -27,7 +27,7 @@ using namespace llvm;
 MipsSEInstrInfo::MipsSEInstrInfo(const MipsSubtarget &STI)
     : MipsInstrInfo(STI, STI.getRelocationModel() == Reloc::PIC_ ? Mips::B
                                                                  : Mips::J),
-      RI(STI), IsN64(STI.isABI_N64()) {}
+      RI(STI) {}
 
 const MipsRegisterInfo &MipsSEInstrInfo::getRegisterInfo() const {
   return RI;
diff --git a/lib/Target/Mips/MipsSEInstrInfo.h b/lib/Target/Mips/MipsSEInstrInfo.h
index b2d2301b3d2..d16fab2e92f 100644
--- a/lib/Target/Mips/MipsSEInstrInfo.h
+++ b/lib/Target/Mips/MipsSEInstrInfo.h
@@ -21,7 +21,6 @@ namespace llvm {
 
 class MipsSEInstrInfo : public MipsInstrInfo {
   const MipsSERegisterInfo RI;
-  bool IsN64;
 
 public:
   explicit MipsSEInstrInfo(const MipsSubtarget &STI);