Hey there, because Steam is your Active Account in your cross-save setup, your characters, progress, inventory, etc, are all permanently tied to it. To want to get rid of it would mean abandoning all of that - there is no way to transfer them, either from one Steam account to another, nor to one of the other linked platform accounts. If you truly want to get rid of it, and bear in mind what I said above, that you'll be losing all your characters, progress, inventory, etc, you can raise a case using the privacy request form and see if Bungie will intervene -> https://help.bungie.net/hc/en-us/articles/360049024632-Contact-Form-Data-Privacy-Requests If you do not want to abandon those characters, and will keep things as they are, then they are still playable on the linked platforms through cross-save. You just would not be able to play them on Steam itself.