Welcome to the Community. I'd be delighted to assist you with taking an accountant off the list.
Just to clarify, are you needing to remove an accountant user from your QuickBooks Online account? If so, you can take the accountant user off the list with these steps:
Should you have different options than this, please visit the following link for the alternative steps: Add or Remove an Accountant User in QuickBooks Online. This article also contains additional information about removing an accountant user.
That's it. I'm confident that these resources will help you with getting the accountant off the list.
As always, I'm just a post away if you have any questions. Cheering you to a productive week.