diff --git a/lib/Target/NVPTX/NVPTXISelLowering.h b/lib/Target/NVPTX/NVPTXISelLowering.h
index efa27750c2e..ed94775b300 100644
--- a/lib/Target/NVPTX/NVPTXISelLowering.h
+++ b/lib/Target/NVPTX/NVPTXISelLowering.h
@@ -498,12 +498,6 @@ public:
                                     std::vector<SDValue> &Ops,
                                     SelectionDAG &DAG) const override;
 
-  unsigned getInlineAsmMemConstraint(
-      const std::string &ConstraintCode) const override {
-    // FIXME: Map different constraints differently.
-    return InlineAsm::Constraint_m;
-  }
-
   const NVPTXTargetMachine *nvTM;
 
   // PTX always uses 32-bit shift amounts