diff --git a/source/os/src/osFile.c b/source/os/src/osFile.c
index 27450b810f..8a2606c4c2 100644
--- a/source/os/src/osFile.c
+++ b/source/os/src/osFile.c
@@ -323,26 +323,6 @@ int32_t taosGetFileDiskID(const char *path, int64_t *diskid) {
   return 0;
 }
 
-bool taosCheckFileDiskID(const char *path, int64_t *actDiskID, int64_t expDiskID) {
-  OS_PARAM_CHECK(path);
-#ifdef WINDOWS
-  struct _stati64 fileStat;
-  int32_t         code = _stati64(path, &fileStat);
-#else
-  struct stat fileStat;
-  int32_t     code = stat(path, &fileStat);
-#endif
-  if (-1 == code) {
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    return terrno;
-  }
-
-  if (actDiskID != NULL) {
-    *actDiskID = fileStat.st_dev;
-  }
-  return fileStat.st_dev == expDiskID;
-}
-
 int32_t taosDevInoFile(TdFilePtr pFile, int64_t *stDev, int64_t *stIno) {
 #ifdef WINDOWS
   if (pFile == NULL || pFile->hFile == NULL) {