How do I remove the linked bank accounts (listed in the drop down box, for transfers) in Quickbooks Checking?

I'll route you to the best support available to help you disconnect linked bank accounts in QuickBooks Checking, @rachelyon.

I recommend reaching out Customer Support Team so they can further assist you with the appropriate process with their tools.

Here's how you can reach out to them through QuickBooks Online (QBO):

1. Go to Help (?).
2. From the Search tab, click Contact Us.
3. Please enter your question and select Continue.
4. Review and choose from the following: Have us call you and Chat with us.

In case you want to check when QuickBooks deposits customer payments into your bank account, refer to this handy article: Find out when QuickBooks Payments deposits customer payments.

I'm still open to other concerns about managing your accounts in QBO. If you have questions about handling bank accounts, please let me know. We're here to help. I'll see you again soon. Take care always.