--- a/modules/libpref/test/unit/test_stickyprefs.js
+++ b/modules/libpref/test/unit/test_stickyprefs.js
@@ -1,24 +1,16 @@
 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/licenses/publicdomain/  */
 
 Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
 Components.utils.import("resource://gre/modules/Services.jsm");
 
 const ps = Services.prefs;
 
-// Once we fetch the profile directory the xpcshell test harness will send
-// a profile-before-change notification at shutdown. This causes the prefs
-// service to flush the prefs file - and the prefs file it uses ends up being
-// testPrefSticky*.js in the test dir. This upsets things in confusing ways :)
-// We avoid this by ensuring our "temp" prefs.js is the current prefs file.
-do_get_profile();
-do_register_cleanup(saveAndReload);
-
 // A little helper to reset the service and load some pref files
 function resetAndLoad(filenames) {
   ps.resetPrefs();
   for (let filename of filenames) {
     ps.readUserPrefsFromFile(do_get_file(filename));
   }
 }