diff --git a/common/include/constants_dinput.h b/common/include/constants_dinput.h
index 3fee6bc..2add0fd 100644
--- a/common/include/constants_dinput.h
+++ b/common/include/constants_dinput.h
@@ -1,6 +1,3 @@
-/*
- * Copyright (c) Huawei Technologies Co., Ltd. 2020-2020. All rights reserved.
- */
 /*
  * Copyright (c) 2021-2023 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/services/sink/transport/src/distributed_input_sink_transport.cpp b/services/sink/transport/src/distributed_input_sink_transport.cpp
index 52c0d37..876a3f1 100644
--- a/services/sink/transport/src/distributed_input_sink_transport.cpp
+++ b/services/sink/transport/src/distributed_input_sink_transport.cpp
@@ -1,6 +1,3 @@
-/*
- * Copyright (c) Huawei Technologies Co., Ltd. 2020-2020. All rights reserved.
- */
 /*
  * Copyright (c) 2021-2023 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/services/source/sourcemanager/src/distributed_input_source_manager.cpp b/services/source/sourcemanager/src/distributed_input_source_manager.cpp
index 77c714e..e1a8656 100644
--- a/services/source/sourcemanager/src/distributed_input_source_manager.cpp
+++ b/services/source/sourcemanager/src/distributed_input_source_manager.cpp
@@ -1,6 +1,3 @@
-/*
- * Copyright (c) Huawei Technologies Co., Ltd. 2020-2020. All rights reserved.
- */
 /*
  * Copyright (c) 2021-2023 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");