To delete a bank account follow the easy steps below. This will delete all of the bank information for the account, but not the General Ledger account.
1.Select File > Company > Bank.
2.Click the 
in the Bank field. This will list all of the available General Ledger accounts, including those already set up as banks. Select the General Ledger account that the bank account is assigned to.
3.Click the Edit button in the bottom right corner, then click the Delete button.
4.A window will pop up asking if you are sure that you want to delete the company bank. Click the Yes button in this window to delete the bank entry information.