How to remove your MusicBrainz account
Go to your profile page and click the “Delete Account” tab, and follow the instructions.
Any edits you’ve made to the MusicBrainz data will remain in the database, but your profile will be made anonymous (username replaced with something like “Deleted user #12345”.
Helpful Trick: Removing online data
Helpful Trick: Remove third-party logins
If you signed up for MusicBrainz using a third-party login such as Facebook or Twitter, you probably want to revoke all access from MusicBrainz. Click here to find out how.