GreaseMonkey script to remove unused links from Youtube main page.

greasemonkey_youtube_filters.js

// ==UserScript==
// @name         YouTube Spam Filters
// @namespace    Youtube Scripts
// @description  Remove unused links from Youtube's front page.
// @match        *://www.youtube.com/*
// @grant        GM_addStyle
// @run-at 			 document-idle
// @icon         http://www.youtube.com/favicon.ico
// ==/UserScript==

const links = [ "/feed/trending", "/feed/history", "/feed/purchases" ];

links.forEach((link) => {
  const href = `*[href="${link}"]`;
  Array.prototype.forEach.call(document.querySelectorAll(href), (node) => {
    node.parentNode.style.display = "none";
  });
});