If you want to delete your account, you have to make a special request to do so. Not great, but it seems to work. Log in to your account, and follow the link provided here to request removal of your account.
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.