diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 40b62cd3489439bab6e9441f282c05488a57f047..656bc0fe223b19cfb5a2bf455407333a61995e1f 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -4756,9 +4756,6 @@ 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;
     }