diff --git a/nonebot_plugin_tetris_stats/games/tetrio/api/typing.py b/nonebot_plugin_tetris_stats/games/tetrio/api/typing.py
index ae4f4fc..28db79c 100644
--- a/nonebot_plugin_tetris_stats/games/tetrio/api/typing.py
+++ b/nonebot_plugin_tetris_stats/games/tetrio/api/typing.py
@@ -1,7 +1,6 @@
 from typing import Literal, NewType
 
 S1ValidRank = Literal[
-    'x+',
     'x',
     'u',
     'ss',