[tonyedgecombe]

If no one was using them why do you need to convince management?

[emdeha]

Because management decisions ain't always driven by logic.

The simplest reason may be attachment to the feature--the feature is of no use but the person who's invented it is scared by the possibility of removing it.

[akerro]

Because when trying to sell the application list of features is longer, which means we know what we're doing and are able to maintain it.