diff --git a/packages/misskey-mahjong/src/engine.master.ts b/packages/misskey-mahjong/src/engine.master.ts
index c2e0669159..1dc14c292e 100644
--- a/packages/misskey-mahjong/src/engine.master.ts
+++ b/packages/misskey-mahjong/src/engine.master.ts
@@ -4,7 +4,7 @@
  */
 
 import CRC32 from 'crc-32';
-import { TileType, House, Huro, TILE_TYPES, YAKU_DEFINITIONS, TileId } from './common.js';
+import { TileType, House, Huro, TileId } from './common.js';
 import * as Common from './common.js';
 import { PlayerState } from './engine.player.js';
 
diff --git a/packages/misskey-mahjong/src/engine.player.ts b/packages/misskey-mahjong/src/engine.player.ts
index 3ca716c9ea..cc5acab8a0 100644
--- a/packages/misskey-mahjong/src/engine.player.ts
+++ b/packages/misskey-mahjong/src/engine.player.ts
@@ -4,7 +4,7 @@
  */
 
 import CRC32 from 'crc-32';
-import { TileType, House, Huro, TileId, YAKU_DEFINITIONS } from './common.js';
+import { TileType, House, Huro, TileId } from './common.js';
 import * as Common from './common.js';
 
 //#region syntax suger