diff --git a/apps/suika-multiplayer/src/store/auto-save-graphs.ts b/apps/suika-multiplayer/src/store/auto-save-graphs.ts
deleted file mode 100644
index e4173d23..00000000
--- a/apps/suika-multiplayer/src/store/auto-save-graphs.ts
+++ /dev/null
@@ -1,49 +0,0 @@
-import { debounce } from '@suika/common';
-import { type IEditorPaperData, type SuikaEditor } from '@suika/core';
-
-const STORE_KEY = 'suika-paper';
-
-export class AutoSaveGraphics {
-  constructor(private editor: SuikaEditor) {
-    const data = this.load();
-    if (data) {
-      if (data.appVersion !== editor.appVersion) {
-        if (
-          confirm(
-            '编辑器版本和图纸版本不兼容，将清空本地缓存 (version not match, to clear data)',
-          )
-        ) {
-          this.clear();
-        }
-      } else {
-        editor.setContents(data);
-      }
-    }
-
-    this.autoSave();
-    this.editor.on('destroy', () => this.stopAutoSave());
-  }
-
-  private listener = debounce(() => {
-    this.save();
-  }, 10);
-
-  autoSave() {
-    this.editor.commandManager.on('change', this.listener);
-  }
-  stopAutoSave() {
-    this.editor.commandManager.off('change', this.listener);
-  }
-  save() {
-    localStorage.setItem(STORE_KEY, this.editor.sceneGraph.toJSON());
-  }
-  clear() {
-    localStorage.removeItem(STORE_KEY);
-  }
-  load() {
-    const dataStr = localStorage.getItem(STORE_KEY);
-    if (!dataStr) return null;
-    const data = JSON.parse(dataStr) as IEditorPaperData;
-    return data;
-  }
-}