Click on your username in the upper right corner and click ‘Settings’ in the drop-down. Scroll down to the delete-account section. You’ll need to enter your password to confirm that you really want to delete your account.
Before you delete your account, you should know that all list you have created will be deleted for all of the list’s members.
💡If you are using your Google account to sign in, you first need to create a password to your mindburp account. You can do this by signing out from your account, and then use the ‘forgotten password’-link on the sign-in page.