Hide "cast to TV" button on YouTube (free userscript)

If that 'cast to TV' button on youtube makes you paranoid as it made me, i made a script to hide it. copy and paste this code into a new tampermonkey script (click that link if you don't know what tampermonkey is). w00t!

// ==UserScript==
// @name Hide "Cast to TV"
// @author atKing
// @match https://www.youtube.com/*
// @icon https://www.youtube.com/s/desktop/d5cebff0/img/favicon_32x32.png
// ==/UserScript==
(function() {
    'use strict';
var hbody = document.getElementsByTagName('BODY')[0];
var style = document.createElement('style');
style.rel = 'stylesheet';
style.type = 'text/css';
style.innerHTML = 'button.ytp-remote-button.ytp-button[aria-label="Play on TV"] {display: none;}';
hbody.appendChild(style);
})();