diff --git a/webpack.config.js b/webpack.config.js
index 7e41097..5940cb9 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -41,6 +41,8 @@ const getExtensionFileType = (browser) => {
 };
 
 module.exports = {
+  devtool: false, // https://github.com/webpack/webpack/issues/1194#issuecomment-560382342
+
   mode: nodeEnv,
 
   entry: {
@@ -122,7 +124,11 @@ module.exports = {
 
   plugins: [
     new webpack.ProgressPlugin(),
+    // Generate manifest.json
     new WextManifestWebpackPlugin(),
+    // Generate sourcemaps
+    new webpack.SourceMapDevToolPlugin({filename: false}),
+    // Remove style entries js bundle
     new FixStyleOnlyEntriesPlugin({silent: true}),
     new webpack.EnvironmentPlugin(['NODE_ENV', 'TARGET_BROWSER']),
     new CleanWebpackPlugin({