diff --git a/deps_adapter/os_adapter/impl/src/dev_info/watch/hc_dev_info.c b/deps_adapter/os_adapter/impl/src/dev_info/watch/hc_dev_info.c
deleted file mode 100644
index 72fb1c1..0000000
--- a/deps_adapter/os_adapter/impl/src/dev_info/watch/hc_dev_info.c
+++ /dev/null
@@ -1,52 +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 "hc_dev_info.h"
-#include "common_util.h"
-#include "hc_error.h"
-#include "hc_log.h"
-#include "hc_types.h"
-
-#define UDID_BYTE_LEN_IN_L0_DEVICE 32
-
-extern uint8_t GetUdid(uint8_t *buf, uint8_t length);
-
-int32_t HcGetUdid(uint8_t *udid, int32_t udidLen)
-{
-    if (udid == NULL || udidLen < INPUT_UDID_LEN || udidLen > MAX_INPUT_UDID_LEN) {
-        return HAL_ERR_INVALID_PARAM;
-    }
-    uint8_t *udidInner = (uint8_t *)HcMalloc(UDID_BYTE_LEN_IN_L0_DEVICE, 0);
-    if (udidInner == NULL) {
-        return HAL_ERR_BAD_ALLOC;
-    }
-    uint8_t resultLen = GetUdid(udidInner, UDID_BYTE_LEN_IN_L0_DEVICE);
-    if (resultLen != UDID_BYTE_LEN_IN_L0_DEVICE) {
-        HcFree(udidInner);
-        LOGE("GetUdid in L0 device failed, resultLen:%u", resultLen);
-        return HAL_FAILED;
-    }
-    int32_t result = ByteToHexString(udidInner, UDID_BYTE_LEN_IN_L0_DEVICE, udid, udidLen);
-    HcFree(udidInner);
-    if (result != HAL_SUCCESS) {
-        LOGE("ByteToHexString for udid failed, result:%d", result);
-    }
-    return result;
-}
-
-const char *GetStoragePath(void)
-{
-    return "user/Hichain/hcgroup.dat";
-}
\ No newline at end of file
diff --git a/deps_adapter/os_adapter/interfaces/dev_info/watch/hc_dev_info.h b/deps_adapter/os_adapter/interfaces/dev_info/watch/hc_dev_info.h
deleted file mode 100644
index 1f38f7e..0000000
--- a/deps_adapter/os_adapter/interfaces/dev_info/watch/hc_dev_info.h
+++ /dev/null
@@ -1,36 +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 HC_DEV_INFO_H
-#define HC_DEV_INFO_H
-
-#include <stdint.h>
-
-#define INPUT_UDID_LEN 65
-#define MAX_INPUT_UDID_LEN 200
-#define MAX_SESSION_COUNT 10
-
-/*
- * Get the unique device ID of the device(UDID).
- * udid: It is used to store the UDID finally obtained.
- * udidLen: The size of array to store UDID. Its value is the real udid size + 1 (including '\0').
- *          In liteos and linux, the udidLen must be 65.
- * Return 0 if the UDID is successfully obtained, other returns an error code.
- */
-int32_t HcGetUdid(uint8_t *udid, int32_t udidLen);
-
-const char *GetStoragePath(void);
-
-#endif
\ No newline at end of file