diff --git a/src/client/src/tscGlobalmerge.c b/src/client/src/tscGlobalmerge.c
index b216f9d29ac30a93b7ad0e40cfdbe5a8283c1dcc..636cd9d290cab32f7a7a65cf610579f618742306 100644
--- a/src/client/src/tscGlobalmerge.c
+++ b/src/client/src/tscGlobalmerge.c
@@ -967,7 +967,6 @@ SSDataBlock* doGlobalAggregate(void* param, bool* newgroup) {
 
       if (pOperator->pRuntimeEnv->pQueryAttr->order.order == TSDB_ORDER_DESC && w->skey < w->ekey) {
         SWAP(w->skey, w->ekey, TSKEY);
-        assert(w->skey >= w->ekey);
       }
     }
   }