Deleting a user is just a few clicks, @tasigb2014.
Thanks for dropping by in the Community. I can provide instructions to make sure the user will be deleted in QuickBooks Online.
Please know that removing a user is permanent. You can follow these steps below to do so:
- Click the Gear icon.
- Select Manage Users.
- Find the user you want to delete, then select the arrow icon in the Action column.
- Press Delete.

- In the confirmation window, select Delete again.

You can visit this article anytime if you want to know more about managing users in QuickBooks. It includes details about their roles and permissions.
Don’t hesitate to reach out back if you have user concerns. I’ll be more than happy to assist you further. Have a good rest!