diff --git a/gulpfile.js b/gulpfile.js
index 5e87f423..343045be 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -76,7 +76,7 @@ var webpackConfig = {
   cache: true,
 
   // generate details sourcempas of webpack modules
-  devtool: 'source-map'
+  //devtool: 'source-map'
 
   //debug: true,
   //bail: true