Once the app is opened, you will see several icons at the bottom of the screen, including a Balance icon located at the screen's bottom-left corner. Tap on the Balance icon. The Balance icon also shows your current available account balance.
On the following screen, you will see several tabs. Tap on the tab that says, Linked Banks.
Once you tap on Linked Banks, you will see your linked bank accounts. Tap on the particular bank account you want to remove.
Once you tap on the bank account, two options will pop up on the screen: Remove Bank and Replace Bank. Tap on Remove Bank.