diff --git a/src/tsdb/inc/tsdbFile.h b/src/tsdb/inc/tsdbFile.h
index fa453a25be1a84f52b86fb89c97cad574f8e67bf..d6d2840530053b622067a4a047917141ee9e5774 100644
--- a/src/tsdb/inc/tsdbFile.h
+++ b/src/tsdb/inc/tsdbFile.h
@@ -334,6 +334,11 @@ static FORCE_INLINE int tsdbCopyDFileSet(SDFileSet* pSrc, SDFileSet* pDest) {
   return 0;
 }
 
+static FORCE_INLINE void tsdbGetFidKeyRange(int days, int8_t precision, int fid, TSKEY* minKey, TSKEY* maxKey) {
+  *minKey = fid * days * tsMsPerDay[precision];
+  *maxKey = *minKey + days * tsMsPerDay[precision] - 1;
+}
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/tsdb/inc/tsdbMemTable.h b/src/tsdb/inc/tsdbMemTable.h
index 1ec770e51331f1229460f6049f4ac7f33c03a4db..a533975b32d094d9ae51bf02ec737335795f7a1d 100644
--- a/src/tsdb/inc/tsdbMemTable.h
+++ b/src/tsdb/inc/tsdbMemTable.h
@@ -87,7 +87,6 @@ int   tsdbAsyncCommit(STsdbRepo* pRepo);
 int   tsdbLoadDataFromCache(STable* pTable, SSkipListIterator* pIter, TSKEY maxKey, int maxRowsToRead, SDataCols* pCols,
                             TKEY* filterKeys, int nFilterKeys, bool keepDup, SMergeInfo* pMergeInfo);
 void* tsdbCommitData(STsdbRepo* pRepo);
-void  tsdbGetFidKeyRange(int daysPerFile, int8_t precision, int fileId, TSKEY* minKey, TSKEY* maxKey);
 
 static FORCE_INLINE SDataRow tsdbNextIterRow(SSkipListIterator* pIter) {
   if (pIter == NULL) return NULL;
diff --git a/src/tsdb/inc/tsdbint.h b/src/tsdb/inc/tsdbint.h
index 344df35c316317fd9f9636c5d25ee5f9fcac153b..deb19502c9e59e4a88000fbd17dbf5a921dfbb47 100644
--- a/src/tsdb/inc/tsdbint.h
+++ b/src/tsdb/inc/tsdbint.h
@@ -99,7 +99,6 @@ int         tsdbUnlockRepo(STsdbRepo* pRepo);
 char*       tsdbGetDataDirName(char* rootDir);
 int         tsdbGetNextMaxTables(int tid);
 STsdbMeta*  tsdbGetMeta(TSDB_REPO_T* pRepo);
-// STsdbFileH* tsdbGetFile(TSDB_REPO_T* pRepo);
 int         tsdbCheckCommit(STsdbRepo* pRepo);
 
 static FORCE_INLINE STsdbBufBlock* tsdbGetCurrBufBlock(STsdbRepo* pRepo) {
diff --git a/src/tsdb/src/tsdbMemTable.c b/src/tsdb/src/tsdbMemTable.c
index 98ebd84bfa9c37f47e44072ebeed822d6d8da248..705997cc99729e356fbf1b21715daa409c1db7a8 100644
--- a/src/tsdb/src/tsdbMemTable.c
+++ b/src/tsdb/src/tsdbMemTable.c
@@ -466,11 +466,6 @@ static void tsdbFreeTableData(STableData *pTableData) {
 
 static char *tsdbGetTsTupleKey(const void *data) { return dataRowTuple((SDataRow)data); }
 
-void tsdbGetFidKeyRange(int daysPerFile, int8_t precision, int fileId, TSKEY *minKey, TSKEY *maxKey) {
-  *minKey = fileId * daysPerFile * tsMsPerDay[precision];
-  *maxKey = *minKey + daysPerFile * tsMsPerDay[precision] - 1;
-}
-
 static int tsdbAdjustMemMaxTables(SMemTable *pMemTable, int maxTables) {
   ASSERT(pMemTable->maxTables < maxTables);