Click on Cancellation at the top of the Welcome page.
Contract start pages
Select the package that contains the external domain to remove.
Overview of packages
Select the option to cancel Individual domains/additional items and click on Next.
Tick the box next to the external domain you would like to remove to select it for cancellation. Ensure that Cancellation and As soon as possible are chosen.
Click on Next.
Parts of your contract
Verify all cancellation information summarised on the overview page and if correct, click on Confirm to submit the cancellation request. The domain registration is not being cancelled at this time as the domain is not registered with 1&1. The external domain is simply being removed from the 1&1 system. If changes are necessary, click on Back.
For additional information, you may want to reference: