--- a/devtools/server/performance/recorder.js
+++ b/devtools/server/performance/recorder.js
@@ -2,17 +2,16 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 "use strict";
 
 const { Cu } = require("chrome");
 const { Task } = require("devtools/shared/task");
 
 loader.lazyRequireGetter(this, "Services");
-loader.lazyRequireGetter(this, "promise");
 loader.lazyRequireGetter(this, "EventEmitter", "devtools/shared/event-emitter");
 
 loader.lazyRequireGetter(this, "Memory",
   "devtools/server/performance/memory", true);
 loader.lazyRequireGetter(this, "Timeline",
   "devtools/server/performance/timeline", true);
 loader.lazyRequireGetter(this, "Profiler",
   "devtools/server/performance/profiler", true);