Welcome to the Community, @chris-1callelect. I'm here to guide you through the process in removing an administrator in QuickBooks Online (QBO).
Before we start, may I know if you're referring to the Primary or Master Admin? This user has the highest level of access in all parts of the QBO account. To remove this, you'll have to transfer the role to another user or yourself. Let me guide you on how:
If it's a Company Admin, you can simply remove this by logging in as the primary or master admin. This role also has the access to every part of the account but they can't remove or update the primary admin access. Here's how:
I've added these articles for your reference about the process above:
Once everything is fine, you're now ready to add payroll to your QBO account.
Please let me know if the process above helps you in removing the administrator. I'd be glad to know the result. And if there's a follow-up question about the process, feel free to add a reply below. I'm always ready to lend a hand. Have a good one.