Is there a use for every item in Skyrim?

Some items that seem useless at first do have a hidden use.

For example, ruined books can be used to create summon Atronach spell tomes


If you can pick it up, you probably need it.

Thulsa Broom — Holkins, Jerry; Krahulik, Mike (November 14, 2011). "Thulsa Broom". Penny Arcade.

But seriously? Unless it has no interesting value, leave them be. You'll get one when you need one.