How to remove your Bitbucket account
Choose ‘Delete Account’ from the side menu, next click ‘Delete Account’ to confirm.
Direct removal link: https://bitbucket.org/account/
Helpful Trick: Removing online data
Helpful Trick: Remove third-party logins
If you signed up for Bitbucket using a third-party login such as Facebook or Twitter, you probably want to revoke all access from Bitbucket. Click here to find out how.