As explained during the certification process, your biometric data will be immediately deleted after your video has been compared to your profile pictures ; however, your video will be stored so your profile can be certified again if you happen to delete your pictures.
That being said, you can ask happn to have your video definitely deleted by going to My settings > My data > Manage my choices.
Please enter the details of your request. Someone from our support team will get in touch with you as soon as possible.
Thank you for contacting us. We will do our best to reply as soon as possible.