diff --git a/paddle/fluid/operators/ops_signature/mp_allreduce_sum_sig.cc b/paddle/fluid/operators/ops_signature/mp_allreduce_sum_sig.cc
deleted file mode 100644
index b2be5878519ff0..00000000000000
--- a/paddle/fluid/operators/ops_signature/mp_allreduce_sum_sig.cc
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "paddle/phi/core/compat/op_utils.h"
-
-namespace phi {
-
-KernelSignature MpAllReduceSumOpArgumentMapping(
-    const ArgumentMappingContext& ctx) {
-  return KernelSignature(
-      "mp_allreduce_sum", {"X"}, {"ring_id", "use_calc_stream"}, {"Out"});
-}
-
-}  // namespace phi
-
-PD_REGISTER_ARG_MAPPING_FN(mp_allreduce_sum,
-                           phi::MpAllReduceSumOpArgumentMapping);