diff --git a/clang/lib/CodeGen/CGOpenMPRuntime.h b/clang/lib/CodeGen/CGOpenMPRuntime.h
index c35202a51371..7be9c3b1da22 100644
--- a/clang/lib/CodeGen/CGOpenMPRuntime.h
+++ b/clang/lib/CodeGen/CGOpenMPRuntime.h
@@ -73,7 +73,6 @@ class RegionCodeGenTy final {
   CodeGenTy Callback;
   mutable PrePostActionTy *PrePostAction;
   RegionCodeGenTy() = delete;
-  RegionCodeGenTy &operator=(const RegionCodeGenTy &) = delete;
   template <typename Callable>
   static void CallbackFn(intptr_t CodeGen, CodeGenFunction &CGF,
                          PrePostActionTy &Action) {