diff --git a/frameworks/datatransmitmgr/dev_slinfo_list.c b/frameworks/datatransmitmgr/dev_slinfo_list.c
index 5eebc95ef7d0f51ddc0e04da249d5697b81c718d..cc337198e432d9fa39be81bb6fa09c60b186527c 100644
--- a/frameworks/datatransmitmgr/dev_slinfo_list.c
+++ b/frameworks/datatransmitmgr/dev_slinfo_list.c
@@ -119,21 +119,6 @@ int32_t GetListLength(struct DATASLListParams *list)
     return listLength;
 }
 
-int32_t FindListNode(struct DATASLListParams *list, struct DATASLCallbackParams *callbackParams)
-{
-    (void)pthread_mutex_lock(&gMutex);
-    struct DATASLListParams *pList = list->next;
-    while (pList != NULL && pList != list) {
-        if (CompareUdid(&(pList->callbackParams->queryParams), &(callbackParams->queryParams)) == DEVSL_SUCCESS) {
-            (void)pthread_mutex_unlock(&gMutex);
-            return DEVSL_SUCCESS;
-        }
-        pList = pList->next;
-    }
-    (void)pthread_mutex_unlock(&gMutex);
-    return DEVSL_ERROR;
-}
-
 void LookupCallback(struct DATASLListParams *list, DEVSLQueryParams *queryParams, int32_t result, uint32_t levelInfo)
 {
     struct DATASLCallbackParams tmpCallbackParams;
diff --git a/interfaces/innerkits/datatransmitmgr/include/dev_slinfo_list.h b/interfaces/innerkits/datatransmitmgr/include/dev_slinfo_list.h
index d2a76a435803d527edd8472a9cb1e5bde1980ce5..c15b2d46e90d9ea717dc1874eb7ec7acd6f264a3 100644
--- a/interfaces/innerkits/datatransmitmgr/include/dev_slinfo_list.h
+++ b/interfaces/innerkits/datatransmitmgr/include/dev_slinfo_list.h
@@ -40,8 +40,6 @@ void ClearList(struct DATASLListParams *list);
 
 int32_t GetListLength(struct DATASLListParams *list);
 
-int32_t FindListNode(struct DATASLListParams *list, struct DATASLCallbackParams *callbackParams);
-
 int32_t InitPthreadMutex(void);
 
 void DestroyPthreadMutex(void);