@Peter656 - if you search in the Community Forums, you can usually find your answer
From the Tips & Tutorials Discussion Room - Co-Hosting on Airbnb Tutorial
https://community.withairbnb.com/t5/Tips-Tutorials/Co-Hosting-on-Airbnb-A-Community-Help-Guide/m-p/4...
It's labeled #3 in the diagram.
Managing Co-Hosts
In order to manage your co-hosts, you would need to go back to your “Co-host” tab where you will be shown a list of your co-hosts. I only had one for this tutorial. From here, you can “Remove” the co-host, retrieve your co-host’s contact information, make the co-host the primary host or turn on shared earnings.