diff --git a/browser-entry.js b/browser-entry.js
index cdcb56b6fb..dee3789231 100644
--- a/browser-entry.js
+++ b/browser-entry.js
@@ -210,8 +210,8 @@ Mocha.process = process;
  * Expose mocha.
  */
 
-mocha.Mocha = Mocha;
-mocha.mocha = mocha;
+global.Mocha = Mocha;
+global.mocha = mocha;
 
 // this allows test/acceptance/required-tokens.js to pass; thus,
 // you can now do `const describe = require('mocha').describe` in a
diff --git a/rollup.config.js b/rollup.config.js
index d475c477a9..4b4f3494e4 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -17,8 +17,7 @@ const config = {
     file: './mocha.js',
     format: 'umd',
     sourcemap: true,
-    name: 'mocha',
-    footer: 'window.Mocha = window.mocha.Mocha;'
+    name: 'mocha'
   },
   plugins: [
     json(),