diff --git a/packages/frontend/apps/electron-renderer/tsconfig.test.json b/packages/frontend/apps/electron-renderer/tsconfig.test.json
deleted file mode 100644
index 316f9c4e98..0000000000
--- a/packages/frontend/apps/electron-renderer/tsconfig.test.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
-  "extends": "../../../../tsconfig.json",
-  "compilerOptions": {
-    "composite": true,
-    "target": "ESNext",
-    "module": "ESNext",
-    "resolveJsonModule": true,
-    "moduleResolution": "Node",
-    "allowSyntheticDefaultImports": true,
-    "noEmit": false,
-    "outDir": "./lib/tests",
-    "types": ["node", "affine__env"],
-    "allowJs": true
-  },
-  "references": [
-    {
-      "path": "./tsconfig.json"
-    }
-  ],
-  "include": ["./test"]
-}
diff --git a/packages/frontend/apps/electron/webpack.config.js b/packages/frontend/apps/electron/webpack.config.js
deleted file mode 100644
index 6af6e23233..0000000000
--- a/packages/frontend/apps/electron/webpack.config.js
+++ /dev/null
@@ -1,12 +0,0 @@
-// TODO(@forehalo): all packages would become 'module'
-const path = require('node:path');
-
-module.exports.config = {
-  entry: {
-    app: './renderer/index.tsx',
-    shell: './renderer/shell/index.tsx',
-  },
-  output: {
-    path: path.resolve(__dirname, './renderer/dist'),
-  },
-};
diff --git a/tools/cli/src/webpack/index.ts b/tools/cli/src/webpack/index.ts
index 9a9bb6319f..5d3c05d688 100644
--- a/tools/cli/src/webpack/index.ts
+++ b/tools/cli/src/webpack/index.ts
@@ -39,6 +39,7 @@ const OptimizeOptionOptions: (
           unused: true,
         },
         mangle: true,
+        keep_classnames: true,
       },
     }),
   ],