diff --git a/src/tsdb/src/tsdbMemTable.c b/src/tsdb/src/tsdbMemTable.c
index 3ac49286e7969a8253c6240299eb43617d5bc1cf..d43385cd7c37a06be4d6da6590b769b953dbaf15 100644
--- a/src/tsdb/src/tsdbMemTable.c
+++ b/src/tsdb/src/tsdbMemTable.c
@@ -648,9 +648,6 @@ static int tsdbScanAndConvertSubmitMsg(STsdbRepo *pRepo, SSubmitMsg *pMsg) {
   TSKEY          minKey = now - tsTickPerDay[pRepo->config.precision] * pRepo->config.keep;
   TSKEY          maxKey = now + tsTickPerDay[pRepo->config.precision] * pRepo->config.daysPerFile;
   
-  if (minKey >= now) minKey = MIN_TS_KEY;
-  if (maxKey <= now) maxKey = MAX_TS_KEY; 
-
   terrno = TSDB_CODE_SUCCESS;
   pMsg->length = htonl(pMsg->length);
   pMsg->numOfBlocks = htonl(pMsg->numOfBlocks);