How to remove previously-existing cookies
Most web browsers let you restrict, block, or remove cookies through your browser settings. The help menu on the menu bar of most browsers also tells you how to prevent your browser from accepting new cookies, how to delete old cookies, how to have the browser notify you when you receive a new cookie, and how to disable cookies altogether. You can also visit aboutcookies.org for more information on how to manage and remove cookies from a number of different internet browsers.