Paul Cooke scored just two tries for Wakefield - one against old club Hull
Wakefield Trinity Wildcats stand-off Paul Cooke heads a list of six players who will not be staying at Belle Vue.
Skipper Jason Demetriou revealed back in June that he would not be offered a new deal after six years at the club.
Hooker Tevita Leo-Latu and centre Sean Gleeson have signed for Salford, while prop Kyle Bibb and utility man Paul Johnson are also heading for the exit.
But Cooke, 29, signed from Hull KR for the rest of the season in March, has also been released.
Cooke joined Wakefield after falling out of favour under Justin Morgan at Craven Park, where had been since his high-profile departure from Hull FC in 2007.
And the adaptable Hull-born player is now again looking for a new club.
The Wildcats are now thought to be in negotiations to bring Harlequins loose forward Rob Purdham to Belle Vue.
The England international has a year left on his contract with the Londoners but is keen to move back north to be nearer his family in Cumbria following the death of elder brother Garry earlier this year.
Gleeson has spent three seasons with Wakefield after signing from Wigan.
Johnson, who is now understood to be a target for Crusaders, was at Wakefield for just one season after signing from Warrington last December.
Bibb has had loan spells both with Harlequins and Whitehaven this season.
Wildcats coach John Kear said: "We'd like to thank these players for their contribution to the Wildcats."