If a payment is not applied to the Advance Deposit:
  1. In Records > Students > Open the student record.
  2. Select the Activity tab and highlight the advance deposit to be deleted.
  3. Click Delete on the action bar.
  4. Click Save and Close. 

If a payment has been applied to the Advance Deposit:

  1. Unapply the payment/credit from the Advance Deposit
  2. Post the reversal applications to the General Ledger 
  3. In Records > Students > Open the student record.
  4. Select the Activity tab and highlight the advance deposit to be deleted.
  5. Click Delete on the action bar.
  6. Click Save and Close.
If you would like to then delete the payment from either of these, you can do so by going to How to void or reverse a posted payment for posted payments, and How to delete an unposted payment in Accounts Receivable 7, Cash Receipts 7, and Student Billing 7 for un-posted payments.