--- a/devtools/client/performance-new/panel.js
+++ b/devtools/client/performance-new/panel.js
@@ -1,17 +1,16 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * 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 { PerfFront } = require("devtools/shared/fronts/perf");
 
-loader.lazyRequireGetter(this, "EventEmitter",
-  "devtools/shared/old-event-emitter");
+loader.lazyRequireGetter(this, "EventEmitter", "devtools/shared/event-emitter");
 
 class PerformancePanel {
   constructor(iframeWindow, toolbox) {
     this.panelWin = iframeWindow;
     this.toolbox = toolbox;
 
     EventEmitter.decorate(this);
   }