Emptying trash doesn't delete
When I empty my trash, it shows in the trash that it deleted ( theres nothing there ) but when I go into 'About My Mac' and into the 'Storage' tab, it shows i didn't delete anything. The 'Backups' portion is getting larger. Please help..
Screenshot: http://i.gyazo.com/fb42425da570fe7a01781cefce5b853a.png
MacBook Pro, OS X Yosemite (10.10.4)