How to remove your Amazon account
There is no immediate removal URL. You should send a message to Amazon (see link). If you actually buy at Amazon, do read the page well, about cancelling outstanding orders.
Direct removal link: http://www.amazon.com/gp/help/customer/display.html?nodeId=565164
Helpful Trick: Removing online data
Helpful Trick: Remove third-party logins
If you signed up for Amazon using a third-party login such as Facebook or Twitter, you probably want to revoke all access from Amazon. Click here to find out how.