Getting rid of a client credit

I've follow the instructions from a similar post that gave these instructions "Overview page > Billing > filter by Transactions > Edit next to the payment > Delete payment." I did that, however there isn't an option to delete any payments. Even if I were able to delete, I don't know which payment needs to be deleted to remove the credit. For the same date, there are transactions reflecting the following:

I believe this is where the problem is coming from, but I'm not entirely sure and can't figure out how to remove the credit.