diff --git a/packages/react-scripts/config/webpack.config.prod.js b/packages/react-scripts/config/webpack.config.prod.js
index f943ef9ecec..a4410e8d6f0 100644
--- a/packages/react-scripts/config/webpack.config.prod.js
+++ b/packages/react-scripts/config/webpack.config.prod.js
@@ -60,9 +60,6 @@ const extractTextPluginOptions = shouldUseRelativeAssetPaths
 module.exports = {
   // Don't attempt to continue if there are any errors.
   bail: true,
-  // We generate sourcemaps in production. This is slow but gives good results.
-  // You can exclude the *.map files from the build during deployment.
-  devtool: 'source-map',
   // In production, we only want to load the polyfills and the app code.
   entry: [require.resolve('./polyfills'), paths.appIndexJs],
   output: {