facebook : how do you remove a limited profile you created?

[deedee24]

I put a few people i didn't want to see everything into a limited profile but now i would like to remove it but i cant remember how to delete it, i can get the list up of all the different groups i made but it wont let me delete any of them, i have 7 lists of limited profile people ie: school, work etc and i want to delete ie: school but how pls help facebook doesn't seem to have any answers....