You can cancel any Bonus from your account by navigating to the Promotions Page while logged in. There you will see your Recent Activity. You can select a Bonus there and choose to cancel it.
If you have any further questions, please do not hesitate to contact us. We are available 07:00-01:00 via Live Chat and E-mail: care@merkurslots.com
Please note: If you cancel a Bonus, the remaining Bonus amount and any winnings associated with that Bonus will be removed from your account. Once a Bonus and associated winnings have been removed, they cannot be credited back to your account.