diff --git a/ui/js/treeherder_app.js b/ui/js/treeherder_app.js
index <HASH>..<HASH> 100644
--- a/ui/js/treeherder_app.js
+++ b/ui/js/treeherder_app.js
@@ -23,10 +23,6 @@ treeherderApp.config(['$compileProvider', '$routeProvider', '$httpProvider',
 
         localStorageServiceProvider.setPrefix("treeherder");
 
-        // avoid CORS issue when getting the logs from the ftp site
-        $httpProvider.defaults.useXDomain = true;
-        delete $httpProvider.defaults.headers.common['X-Requested-With'];
-
         $httpProvider.defaults.xsrfHeaderName = 'X-CSRFToken';
         $httpProvider.defaults.xsrfCookieName = 'csrftoken';
         $httpProvider.useApplyAsync(true);
Bug <I> - Clean up obsolete $httpProvider defaults

`useXDomain` never actually did anything since the PR that proposed it
was never merged:
<URL>