How to fix Find My not working with one non-original AirPod and remove them from the app?

I have the left original AirPod but the right is not the original and now they find my app won’t work for my AirPods I’ve disconnected and reconnected them and it still won’t work I’ve tried removing them from find my first and the app won’t let me delete them someone please help🥲

[Edited by Moderator]