diff --git a/source/libs/executor/src/timewindowoperator.c b/source/libs/executor/src/timewindowoperator.c
index 709b6fd206005d6f1126d4e24b672279d248b166..5fcb24c1468b5cdc74f008eb1c3044866adbd329 100644
--- a/source/libs/executor/src/timewindowoperator.c
+++ b/source/libs/executor/src/timewindowoperator.c
@@ -939,7 +939,6 @@ static void hashIntervalAgg(SOperatorInfo* pOperatorInfo, SResultRowInfo* pResul
   TSKEY   ekey = ascScan ? win.ekey : win.skey;
   int32_t forwardRows =
       getNumOfRowsInTimeWindow(&pBlock->info, tsCols, startPos, ekey, binarySearchForKey, NULL, pInfo->inputOrder);
-  ASSERT(forwardRows > 0);
 
   // prev time window not interpolation yet.
   if (pInfo->timeWindowInterpo) {