Percy Harvin plans to retire -- for real this time.
The wide receiver is not participating in this year's free agency, agent Greg Barnett told ESPN's Jeremy Fowler.
"He's done (playing)," Barnett said.
Harvin, 28, retired in April 2016 but returned to the Bills last November after Buffalo suffered injuries to several of its wide receivers.
Playing in two games, Harvin caught two passes for six yards before migraine headaches caused the Bills to place him on the non-football illness list, ending his season.