Greasemonkey script to hide "Suggested post" entries on Facebook.

Hide_Suggested_post_on_Facebook.user.js

// ==UserScript==
// @name Hide "Suggested post" on Facebook
// @include https://www.facebook.com/*
// @grant none
// ==/UserScript==
(function(){
	var watcher = function(){
		var target=document.querySelector('div#stream_pagelet>div[id^="topnews_main_stream_"]>div[id^="feed_stream_"]');
		if(target) {
			var mangle=function(){
				var x=document.querySelectorAll("div[data-testid=fbfeed_story]");
				for(var i=0;i<x.length;i++){
					if(x[i].querySelector(".uiStreamSponsoredLink")){
						x[i].style.display="none";
					}
				}
			};
			mangle();
			var observer=new MutationObserver(function(mutations){
				mutations.forEach(function(mutation){
					if(mutation.type=="childList"){
						mangle();
					}
				});
			});
			observer.observe(target,{attributes:true,childList:true,characterData:true});
		}
		else {
			setTimeout(watcher,100);
		}
	};
	watcher();
})();