How to remove your Wunderlist account
Log in to your account, then go to https://www.wunderlist.com/#/preferences/account
Click “Delete account” and enter your password to confirm.
Helpful Trick: Removing online data
Helpful Trick: Remove third-party logins
If you signed up for Wunderlist using a third-party login such as Facebook or Twitter, you probably want to revoke all access from Wunderlist. Click here to find out how.