diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 5fa5186479d43021994c4c4c4f481e181045fb96..597386ff4d427e9e2fca1019c914704418b6f3b8 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -9520,7 +9520,6 @@ SQInfo* createQInfoImpl(SQueryTableMsg* pQueryMsg, SGroupbyExpr* pGroupbyExpr, S
   }
 
   for (int16_t col = 0; col < numOfOutput; ++col) {
-    assert(pExprs[col].base.resBytes > 0);
     pQueryAttr->resultRowSize += pExprs[col].base.resBytes;
 
     // keep the tag length