Once you delete a deposit in QuickBooks online successfully, it will not show up in the check register and record deposit section. It further means that the same payment reverts to being available to deposit again from undeposited funds. As the deposit no longer stays in the record, you can receive payment again and reconcile it with ease of mind. To know more visit : https://quickutilities.net/blog/how-to-delete-a-deposit-in-quickbooks-online