You can delete a cash receipt that has been saved, as long as it has not already been posted.
To delete a saved, unposted cash receipt:
Select Transactions > Cash Receipts.
Look for the batch that contains the entry you want to delete, and then double-click on it.
Select the entry to be deleted, and then double-click on it.
Select Form > Delete from the menu.
Click Yes to complete the deletion.
The record is deleted from the batch and you are returned to the Batch window.
Click the Batch window Close button, to close it.