Index: include/llvm/CodeGen/StackMaps.h
===================================================================
--- include/llvm/CodeGen/StackMaps.h
+++ include/llvm/CodeGen/StackMaps.h
@@ -31,9 +31,6 @@
   /// Enumerate the meta operands.
   enum { IDPos, NBytesPos };
 
-private:
-  const MachineInstr *MI;
-
 public:
   explicit StackMapOpers(const MachineInstr *MI);
 
Index: lib/CodeGen/StackMaps.cpp
===================================================================
--- lib/CodeGen/StackMaps.cpp
+++ lib/CodeGen/StackMaps.cpp
@@ -35,8 +35,7 @@
 
 const char *StackMaps::WSMP = "Stack Maps: ";
 
-StackMapOpers::StackMapOpers(const MachineInstr *MI) 
-  : MI(MI) {
+StackMapOpers::StackMapOpers(const MachineInstr *MI) {
   assert(getVarIdx() <= MI->getNumOperands() &&
          "invalid stackmap definition");
 }