diff --git a/webpack.config.js b/webpack.config.js
index 27456c605..068050dfd 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -12,15 +12,6 @@ module.exports = () => {
 
   return {
     context: __dirname + '/lib',
-    optimization: {
-      namedModules: true,
-      namedChunks: true,
-      splitChunks: {
-        cacheGroups: {
-          default: false,
-        },
-      },
-    },
     mode: isDevMode ? 'development' : 'production',
     devtool:
       process.env.SOURCEMAP || (isDevMode && 'cheap-module-eval-source-map'),
@@ -29,7 +20,7 @@ module.exports = () => {
     output: {
       path: __dirname + '/dist',
       filename: 'app.js',
-      chunkFilename: '[name].js',
+      chunkFilename: '[name].[chunkhash].js',
       ...(config.is_app_engine && {
         publicPath: config.web_app_url + '/',
       }),