Let's get these duplicates deleted, riedabook.
From your register, select the deposit and click on Delete.
Once done, please run the Sales by Customer Summary report to verify if there are no more duplicate sale entries.
Here's also a guide that'll prevent duplicate entries in your register:
By following the recommended steps when receiving payments, your bank account and register will be reconciled. Let us know if you've got more questions. We are here to help.