How to remove your MobPartner account
It’s not quite clear, but their ToS (http://www.mobpartner.com/en/publisher/terms-of-service) state that your account will be deactivated or removed (?) after not logging in for 30 days.
If you’re not certain after having tried this, or anyway, contact them immediately with your request: http://www.mobpartner.com/en/company/contact
Helpful Trick: Removing online data
Helpful Trick: Remove third-party logins
If you signed up for MobPartner using a third-party login such as Facebook or Twitter, you probably want to revoke all access from MobPartner. Click here to find out how.