Raw Source
Javerage / Filter adjustment 

// ==UserScript==
// @name         Filter adjustment
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  Mediate a filter button bug of TFS 2015
// @updateURL https://openuserjs.org/meta/Javerage/Filter_adjustment.meta.js
// @author       Jeroen Elsen
// @match        */tfs/*/_backlogs*
// @grant        none
// @copyright 2018, Javerage (https://openuserjs.org/users/Javerage)
// @license MIT
// ==/UserScript==
// @require http://code.jquery.com/jquery-latest.js
$( document ).ready(function() {
    //alert("Go");
    //jQuery(".pb-toolbar-transparent-separator *").css("width","0px").css("Display","none");
    $("li.pb-toolbar-transparent-separator").css("Display","none").css("width","0px");
    $("#mi_168").css("Display","none").css("width","0px");
    //jQuery(".menu-bar").css("height","100px");
    //jQuery(".pb-toolbar-transparent-separator").css("Background-color","Red");
    //alert("Go");
});