diff --git a/app/assets/javascripts/workers/worker_world.js b/app/assets/javascripts/workers/worker_world.js
index 4d6b8c56b..26217cb16 100644
--- a/app/assets/javascripts/workers/worker_world.js
+++ b/app/assets/javascripts/workers/worker_world.js
@@ -84,12 +84,6 @@ var ensureLanguagesImportedFromUserCodeMap = function (userCodeMap) {
 
 
 var restricted = ["XMLHttpRequest", "Worker"];
-if (!self.navigator || !(self.navigator.userAgent.indexOf('MSIE') > 0) && 
-    !self.navigator.userAgent.match(/Trident.*rv\:11\./) &&
-    !self.navigator.userAgent.match(/Edge/)) {
-  // Can't restrict 'importScripts' in IE11, skip for all IE versions
-  restricted.push("importScripts");
-}
 for(var i = 0; i < restricted.length; ++i) {
   // We could do way more from this: http://stackoverflow.com/questions/10653809/making-webworkers-a-safe-environment
   Object.defineProperty(self, restricted[i], {