Erase tracking ID of medium.com from localStorage. For cookie, use extensions like EditThisCookie.
// ==UserScript==
// @name Anonymize Medium
// @namespace https://medium.com/
// @version 0.1
// @description Erase tracking ID of medium.com from localStorage. For cookie, use extensions like EditThisCookie.
// @author lacek
// @match https://medium.com/@*
// @match https://*.medium.com/*
// @match https://towardsdatascience.com/*
// @run-at document-idle
// ==/UserScript==
(function() {
'use strict';
localStorage.clear();
var i = document.querySelector('iframe[src^="https://smartlock.google.com"]');
if (i) i.remove();
})();