Deleting reports will allow your enterprise to focus on new value instead of maintaining old assets that are rarely used.
Any boat owner will tell you that the second best day of their boat-owning life is the day they buy their boat. The best day is the day they sell it. Boats just take a lot of management. You have to clean them, gas them, fix them, and use them, and if you have a boat in the driveway that you never use, you just feel guilty. Guilty for not using something you spend so much time and money on.