Unfollow not-following back accounts from your profile, using twitter web interface and chrome JS

unfollow-not-follow-back.js

//Step using a browser
//1) Login into your account. Go to your profile following, example https://twitter.com/xixgames/following
//2) Go all the way to bottom to get all the parts of the accounts you follow (the new API only allow get chunks)
//   --> you can do that with a scrollTo jQuery script or just keep pressed the AvPage key of your keyboard.
//3) Open developer console and copy paste this code, and change confirm_unfollow to true if you want to execute the unfollow
//Get all follows data:
var follows = $(".FollowStatus"); 
//Remove data from accounts who are following back:
for(var i=0;i<follows.length;i++)
{
  var group = follows[i].parentElement.parentElement.parentElement;
  group.parentElement.removeChild(group);
}
//get all buttons to un/follow now:
var buttons = $(".unfollow-text");
"You have " + buttons.length +  " accounts not following back";

var confirm_unfollow=false; //<<-- change this to perform all the unfollows at once

if(confirm_unfollow)
{
	for(var i=0;i<buttons.length; i++)
	{
		buttons[i].click();
	}
}