diff --git a/lib/Target/NVPTX/NVPTXInstrInfo.cpp b/lib/Target/NVPTX/NVPTXInstrInfo.cpp
index 52be28736b0..80af163a497 100644
--- a/lib/Target/NVPTX/NVPTXInstrInfo.cpp
+++ b/lib/Target/NVPTX/NVPTXInstrInfo.cpp
@@ -27,7 +27,7 @@ using namespace llvm;
 
 // FIXME: Add the subtarget support on this constructor.
 NVPTXInstrInfo::NVPTXInstrInfo(NVPTXTargetMachine &tm)
-    : NVPTXGenInstrInfo(), TM(tm), RegInfo(*this, *TM.getSubtargetImpl()) {}
+    : NVPTXGenInstrInfo(), TM(tm), RegInfo(*TM.getSubtargetImpl()) {}
 
 void NVPTXInstrInfo::copyPhysReg(
     MachineBasicBlock &MBB, MachineBasicBlock::iterator I, DebugLoc DL,
diff --git a/lib/Target/NVPTX/NVPTXRegisterInfo.cpp b/lib/Target/NVPTX/NVPTXRegisterInfo.cpp
index bb039f83979..b749b053152 100644
--- a/lib/Target/NVPTX/NVPTXRegisterInfo.cpp
+++ b/lib/Target/NVPTX/NVPTXRegisterInfo.cpp
@@ -77,8 +77,7 @@ std::string getNVPTXRegClassStr(TargetRegisterClass const *RC) {
 }
 }
 
-NVPTXRegisterInfo::NVPTXRegisterInfo(const TargetInstrInfo &tii,
-                                     const NVPTXSubtarget &st)
+NVPTXRegisterInfo::NVPTXRegisterInfo(const NVPTXSubtarget &st)
     : NVPTXGenRegisterInfo(0), Is64Bit(st.is64Bit()) {}
 
 #define GET_REGINFO_TARGET_DESC
diff --git a/lib/Target/NVPTX/NVPTXRegisterInfo.h b/lib/Target/NVPTX/NVPTXRegisterInfo.h
index d4068206614..0a20f29ccb1 100644
--- a/lib/Target/NVPTX/NVPTXRegisterInfo.h
+++ b/lib/Target/NVPTX/NVPTXRegisterInfo.h
@@ -35,7 +35,7 @@ private:
   ManagedStringPool ManagedStrPool;
 
 public:
-  NVPTXRegisterInfo(const TargetInstrInfo &tii, const NVPTXSubtarget &st);
+  NVPTXRegisterInfo(const NVPTXSubtarget &st);
 
   //------------------------------------------------------
   // Pure virtual functions from TargetRegisterInfo