Typically, when removing a claim payment or receipt payment from the Transaction History, you wouldn't want to delete the payment entirely. If it was created in a prior reporting period, this would impact past financials.
It is not best practice, but we continue to make it possible to set Removal of payments is done using the reversal process set to No, which allows payment deletion to occur.
To delete a payment from the Transaction History, right-click the payment line and select Delete Payment. This payment line will be removed, and past reporting will appear as if the payment was never created.