Before disconnecting the account, note that transactions in For Review tab will be deleted.
Follow these steps below to disconnect an account:
Check out this article for more information: Disconnect or delete an account.
Please feel free to leave a comment below if you need any further assistance.
Your left panel might have been minimize that’s why you’re not seeing the Banking tab, RJantz.
To maximize it click the three bars icon at the upper left corner beside your company name.
If you’re still not having the Banking tab, you might have been using a different version such as QuickBooks Self-Employed. If so, you can follow the steps in this article to disconnect the Bank Account.
Let me know if anything else comes up.