diff --git a/extension/wrap.webpack.config.js b/extension/wrap.webpack.config.js
index c4d50d62..1eb38ca1 100644
--- a/extension/wrap.webpack.config.js
+++ b/extension/wrap.webpack.config.js
@@ -3,7 +3,6 @@ const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin');
 
 module.exports = {
   mode: 'production',
-  devtool: 'source-map',
   entry: {
     pagewrap: path.resolve(__dirname, 'src/pageScriptWrap'),
   },