diff --git a/webpack.config.js b/webpack.config.js
index 88470f41e..498d3f16f 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -33,16 +33,12 @@ if (minimize) {
             NODE_ENV: JSON.stringify('production')
         }
     }));
-
+    plugins.push(new webpack.optimize.ModuleConcatenationPlugin());
     plugins.push(new webpack.optimize.UglifyJsPlugin({
         compress: {
-            // It is nice to see warnings from UglifyJsPlugin that something is
-            // unused/removed.
             warnings: true
         },
         extractComments: true,
-
-        // Use the source map to map error message locations to modules.
         sourceMap: true
     }));
 }