I have a few ISO's on my computer that are listed in Mezzmo which is ok, but the problem is that on some them it shows several copies of the same disk. I know that its the main movie, and other special features, but when I try to delete the extra listings from Mezzmo, they just seem to stay there and will not go away.

Is there a way to get rid of them without having the rip the movie out of the ISO itself?