Step #1:

Log in to your account. 

If you have only received a check and not created an account, use this link to set a password to the checkbook account that was automatically created for you with the email that you received the check on. 

Step #2:

Go to "Settings" on the bottom left-hand side of the page. 

Step #3:

When in Settings, click on the "Accounts" tab.

Step #4:

From the list all the Bank Accounts linked to your Checkbook account, select the ones you want to delete (select using the first column)
NOTE: The Default account may not be deleted. 

Step #5:

Once a selection is made, click "Delete"

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