Merge branch 'master' into PopupNotifications

1 files changed, 1 insertions, 1 deletions

diff --git a/app/scripts/inpage.js b/app/scripts/inpage.js
index 7c508c66f..28a1223ac 100644
--- a/app/scripts/inpage.js
+++ b/app/scripts/inpage.js
@@ -54,7 +54,7 @@ var __define
 function cleanContextForImports () {
   __define = global.define
   try {
-    delete global.define
+    global.define = undefined
   } catch (_) {
     console.warn('MetaMask - global.define could not be deleted.')
   }