deleted file mode 100644
--- a/browser/components/.eslintrc.js
+++ /dev/null
@@ -1,9 +0,0 @@
-"use strict";
-
-module.exports = {
-  rules: {
-    // XXX Bug 1326071 - This should be reduced down - probably to 20 or to
-    // be removed & synced with the mozilla/recommended value.
-    "complexity": ["error", 61],
-  }
-};

--- a/browser/components/nsBrowserGlue.js
+++ b/browser/components/nsBrowserGlue.js
@@ -196,16 +196,17 @@ BrowserGlue.prototype = {
     }
     delay = delay <= MAX_DELAY ? delay : MAX_DELAY;
 
     Cu.import("resource://services-sync/main.js");
     Weave.Service.scheduler.delayedAutoConnect(delay);
   },
 
   // nsIObserver implementation
+  // eslint-disable-next-line complexity
   observe: function BG_observe(subject, topic, data) {
     switch (topic) {
       case "notifications-open-settings":
         this._openPreferences("privacy");
         break;
       case "prefservice:after-app-defaults":
         this._onAppDefaults();
         break;
@@ -1567,16 +1568,17 @@ BrowserGlue.prototype = {
     let clickCallback = (subject, topic, data) => {
       if (topic != "alertclickcallback")
         return;
       this._openPreferences("sync");
     }
     AlertsService.showAlertNotification(null, title, body, true, null, clickCallback);
   },
 
+  // eslint-disable-next-line complexity
   _migrateUI: function BG__migrateUI() {
     const UI_VERSION = 44;
     const BROWSER_DOCURL = "chrome://browser/content/browser.xul";
 
     let currentUIVersion;
     if (Services.prefs.prefHasUserValue("browser.migration.version")) {
       currentUIVersion = Services.prefs.getIntPref("browser.migration.version");
     } else {

--- a/browser/components/sessionstore/SessionStore.jsm
+++ b/browser/components/sessionstore/SessionStore.jsm
@@ -3233,16 +3233,17 @@ var SessionStoreInternal = {
    *        JS object
    * @param aOptions
    *        {overwriteTabs: true} to overwrite existing tabs w/ new ones
    *        {isFollowUp: true} if this is not the restoration of the 1st window
    *        {firstWindow: true} if this is the first non-private window we're
    *                            restoring in this session, that might open an
    *                            external link as well
    */
+  // eslint-disable-next-line complexity
   restoreWindow: function ssi_restoreWindow(aWindow, winData, aOptions = {}) {
     let overwriteTabs = aOptions && aOptions.overwriteTabs;
     let isFollowUp = aOptions && aOptions.isFollowUp;
     let firstWindow = aOptions && aOptions.firstWindow;
     // See SessionStoreInternal.restoreTabs for a description of what
     // selectTab represents.
     let selectTab = (overwriteTabs ? parseInt(winData.selected || 1, 10) : 0);
 

--- a/browser/components/uitour/UITour.jsm
+++ b/browser/components/uitour/UITour.jsm
@@ -289,16 +289,17 @@ this.UITour = {
       Services.prefs.clearUserPref(PREF_SEENPAGEIDS);
       return;
     }
 
     Services.prefs.setCharPref(PREF_SEENPAGEIDS,
                                JSON.stringify([...this.seenPageIDs]));
   },
 
+  // eslint-disable-next-line complexity
   onPageEvent(aMessage, aEvent) {
     let browser = aMessage.target;
     let window = browser.ownerGlobal;
 
     // Does the window have tabs? We need to make sure since windowless browsers do
     // not have tabs.
     if (!window.gBrowser) {
       // When using windowless browsers we don't have a valid |window|. If that's the case,