--- a/browser/base/content/test/performance/browser_startup.js
+++ b/browser/base/content/test/performance/browser_startup.js
@@ -59,17 +59,16 @@ const startupPhases = {
   // This means that anything already loaded at this point has been loaded
   // before first paint and delayed it.
   "before first paint": {blacklist: {
     components: new Set([
       "UnifiedComplete.js",
       "nsSearchService.js",
     ]),
     modules: new Set([
-      "chrome://webcompat-reporter/content/TabListener.jsm",
       "chrome://webcompat-reporter/content/WebCompatReporter.jsm",
       "resource:///modules/AboutNewTab.jsm",
       "resource:///modules/BrowserUITelemetry.jsm",
       "resource:///modules/BrowserUsageTelemetry.jsm",
       "resource:///modules/ContentCrashHandlers.jsm",
       "resource:///modules/DirectoryLinksProvider.jsm",
       "resource://gre/modules/NewTabUtils.jsm",
       "resource://gre/modules/PageThumbs.jsm",