How to delete Backup Sets

I have over time, goofing around, created more than 1 backup set. They are taking duplicate backups. I know how to go out and remove the actual backup files, but how do you tell Trixbox to get rid of one of the backup sets. in My case I have 'TrixboxBackup' and 'Trixbox Backup' (don't ask why...). I want to eradicate 'Trixbox Backup'.

Obviously (to me), I have the Backup thingy added on to Trixbox and can access it by going into Admin mode of Trixbox, Selecting the 'System' Tab and then 'Backup'. It's easy to create a backup set. But there is no option to get rid of it once it's created that I can see.

I am assuming that It's just in cron somewhere, but I don't know where or how to get rid of one.

Hopefully, just a simple new user problem. Thanks. -jfe-