diff --git a/components/protocomm/src/common/protocomm.c b/components/protocomm/src/common/protocomm.c
index f505ba2dee..9af6fe6f3c 100644
--- a/components/protocomm/src/common/protocomm.c
+++ b/components/protocomm/src/common/protocomm.c
@@ -1,16 +1,8 @@
-// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
-//
-// 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.
+/*
+ * SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #include <stdlib.h>
 #include <string.h>
diff --git a/tools/ci/check_copyright_ignore.txt b/tools/ci/check_copyright_ignore.txt
index 2f6771ea48..0bde9d7fb2 100644
--- a/tools/ci/check_copyright_ignore.txt
+++ b/tools/ci/check_copyright_ignore.txt
@@ -1248,7 +1248,6 @@ components/protocomm/python/constants_pb2.py
 components/protocomm/python/sec0_pb2.py
 components/protocomm/python/sec1_pb2.py
 components/protocomm/python/session_pb2.py
-components/protocomm/src/common/protocomm.c
 components/protocomm/src/common/protocomm_priv.h
 components/protocomm/src/security/security0.c
 components/pthread/pthread_cond_var.c