diff --git a/README.md b/README.md
index 9b27432f..4b0f5124 100644
--- a/README.md
+++ b/README.md
@@ -70,3 +70,7 @@ Tags, colors and clusters help to retain the overview.
 <a href="https://opencollective.com/utopia-project">
     <img width="300" src="https://opencollective.com/utopia-project/donate/button@2x.png?color=blue" />
 </a>
+
+---
+
+This project is tested with BrowserStack
diff --git a/tsconfig.json b/tsconfig.json
index ff453fb4..50c23024 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -7,7 +7,7 @@
       "module": "esnext",
       "target": "ESNext",
       "lib": ["es6", "dom","es2015", "es2016", "es2017", "es2020"],
-      "sourceMap": true,
+      "sourceMap": false,
       "allowJs": false,
       "jsx": "react-jsx",
       "moduleResolution": "node",