You cannot delete a Pre-Paid Buy that is closed or that has already had a cash or trade transaction added to the account.
1.From the Account List, select the account, then click on Buy / Trade.
Open the Account first and then click on Buy / Trade.
2.Make sure you select the status and then select the Pre-Paid Buy and click on Delete.
3.The Pre-Paid Buy will be removed from the Buy/Trade Maintenance screen.