diff --git a/common/common/inc/bitwise_operation.h b/common/common/inc/bitwise_operation.h
deleted file mode 100644
index 10fd495c9f2cb5fe527afaed802c4108815b2a0f..0000000000000000000000000000000000000000
--- a/common/common/inc/bitwise_operation.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2021 Huawei Device Co., 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.
- */
-
-#ifndef BITWISE_OPERATION_H
-#define BITWISE_OPERATION_H
-
-#include <stdint.h>
-
-uint64_t GetUint64(uint32_t high, uint32_t low);
-void SplitUint64(uint64_t number, uint32_t *high, uint32_t *low);
-
-#endif // BITWISE_OPERATION_H
diff --git a/common/common/src/bitwise_operation.c b/common/common/src/bitwise_operation.c
deleted file mode 100644
index d2fd550e19cf87537b5606c08e8d0cb57d6e8a46..0000000000000000000000000000000000000000
--- a/common/common/src/bitwise_operation.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2021 Huawei Device Co., 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.
- */
-
-#include "bitwise_operation.h"
-
-uint64_t GetUint64(uint32_t high, uint32_t low)
-{
-    uint64_t tmpHigh = high;
-    // Combine two 32-bit data into one 64-bit data
-    return ((tmpHigh << 32) | low);
-}
-
-void SplitUint64(uint64_t number, uint32_t *high, uint32_t *low)
-{
-    // Combine 64-bit data into two 64-bit data
-    *low = number & 0xffffffff;
-    *high = (number >> sizeof(uint32_t)) & 0xffffffff;
-}
\ No newline at end of file