diff --git a/services/web/webpack.config.prod.js b/services/web/webpack.config.prod.js
index 70287d543e..530af759fe 100644
--- a/services/web/webpack.config.prod.js
+++ b/services/web/webpack.config.prod.js
@@ -5,8 +5,7 @@ const merge = require('webpack-merge')
 const base = require('./webpack.config')
 
 module.exports = merge(base, {
-  // Enable a full source map.
-  devtool: 'source-map',
+  devtool: false,
 
   output: {
     // Override output path to minjs dir