diff --git a/llvm/include/llvm/Support/TaskQueue.h b/llvm/include/llvm/Support/TaskQueue.h
--- a/llvm/include/llvm/Support/TaskQueue.h
+++ b/llvm/include/llvm/Support/TaskQueue.h
@@ -98,7 +98,7 @@
         IsTaskInFlight = true;
       }
     }
-    return std::move(F);
+    return F;
   }
 
 private:
diff --git a/mlir/include/mlir/Parser.h b/mlir/include/mlir/Parser.h
--- a/mlir/include/mlir/Parser.h
+++ b/mlir/include/mlir/Parser.h
@@ -67,7 +67,7 @@
   // contain the operations inside of it.
   if (failed(op.verify()))
     return OwningOpRef<ContainerOpT>();
-  return std::move(opRef);
+  return opRef;
 }
 } // end namespace detail