Remove Ads in user's feed in Vk.com

VkNoAdsInFeed.user.js

// ==UserScript==
// @name         Vk HateAds
// @namespace    none
// @version      1.1
// @description  Remove ads inside user's feed in Vk.com
// @author       Master_Groosha
// @match        https://*vk.com/*
// @grant        none
// ==/UserScript==

// Update 23.05.2015: New version because of VK's CSS change

function addGlobalStyle(css) {
    var head, style;
    head = document.getElementsByTagName('head')[0];
    if (!head) { return; }
    style = document.createElement('style');
    style.type = 'text/css';
    style.innerHTML = css;
    head.appendChild(style);
}

addGlobalStyle('.post[data-ad-view] { display: none !important; }');