diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 9016737c4025bc4a05b3c0a324278b54fd5db957..fa2ddb05b8fe6de84f64d5652f88eb1c71ecbfab 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -437,11 +437,6 @@ static SResultRow* doSetResultOutBufByKey(SQueryRuntimeEnv* pRuntimeEnv, SResult
         int64_t* index = taosHashGet(pRuntimeEnv->pResultRowListSet, pRuntimeEnv->keyBuf, GET_RES_EXT_WINDOW_KEY_LEN(bytes));
         if (index != NULL) {
           pResultRowInfo->curPos = (int32_t) *index;
-          if (pResultRowInfo->size > 1) {
-            for(int32_t k = 0; k <pResultRowInfo->size - 1; ++k) {
-              assert(pResultRowInfo->pResult[k]->win.skey < pResultRowInfo->pResult[k+1]->win.skey);
-            }
-          }
           existed = true;
         } else {
           existed = false;