When you collect random veteran wide receivers, at some point you have to clear some of them out.
The Redskins just announced they released former Saints wideout Devery Henderson. He was signed in June, and apparently didn’t make much of an impression.
#Redskins  announce they have terminated the contract of vested veteran WR Devery Henderson.
— Redskins (@Redskins) August 14, 2013 
Source: Darin Gantt, NBC Sports Pro Football Talk