No unread GitHub notifications

github_never_unread.user.js

// ==UserScript==
// @name         No unread GitHub notifications
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  Hide GitHub's unread notification dot in the top bar
// @author       cketti
// @match        https://github.com/*
// @match        https://gist.github.com/*
// @icon         https://github.githubassets.com/favicons/favicon.svg
// @grant        GM_addStyle
// ==/UserScript==

(function() {
    'use strict';

    GM_addStyle('.notification-indicator .mail-status { display: none !important; }');
})();