diff --git a/src/platform/CrossOrigin.coffee b/src/platform/CrossOrigin.coffee
index b817a168d..bf069b1a2 100644
--- a/src/platform/CrossOrigin.coffee
+++ b/src/platform/CrossOrigin.coffee
@@ -101,13 +101,8 @@ CrossOrigin =
       delete callbacks[url]
 
     (url, cb, bypassCache) ->
-      <% if (type === 'crx') { %>
-      plainAJAX = (/^https:\/\//.test(url) or location.protocol is 'http:')
-      <% } %>
       <% if (type === 'userscript') { %>
-      plainAJAX = not (GM?.xmlHttpRequest? or GM_xmlhttpRequest?)
-      <% } %>
-      if plainAJAX
+      unless GM?.xmlHttpRequest? or GM_xmlhttpRequest?
         if bypassCache
           $.cleanCache (url2) -> url2 is url
         if (req = $.cache url, cb, responseType: 'json')
@@ -115,6 +110,7 @@ CrossOrigin =
         else
           cb.call {}
         return
+      <% } %>
 
       if bypassCache
         delete results[url]