diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index bc2efb6149c2ac05d6c60dff640a984ad26063f1..4ed92b981adde2bb540789d4e0269f075a33d30f 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -4755,9 +4755,6 @@ static int32_t validateSQLExprItem(SSqlCmd* pCmd, tSqlExpr* pExpr,
       return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg3);
     }
 
-    if (pExpr->tokenId == TK_STRING) {
-    }
-
     if (pExpr->type == SQL_NODE_VALUE) {
       *type = SQLEXPR_TYPE_VALUE;
     }