Leyton Orient boss Martin Ling has told six players that they will not have their contracts renewed after the club secured its League One status.
Ling saw his side avoid relegation with one game to go
John Mackie, Shane Tudor, Justin Miller, Donny Barnard, Derek Duncan and Phil Mulryne are all being released.
But ten players including Matt Lockwood have been offered new deals.
The others are Gary Alexander, Aiden Palmer, Luke Guttridge, Glyn Garner, Glenn Morris, Adam Tann, Efe Echanomi, Jason Demetriou and Craig Easton.