Bolton Wanderers have confirmed that Dutch forward Riga Mustapha has left the club by mutual consent.
The 29-year-old made just 22 appearances for the Reebok Stadium club after arriving in 2008.
Celta Vigo have been linked with Riga during the January transfer window and he could now move to Spain.
A statement on Bolton's official website read: "Bolton Wanderers can confirm that Riga has left the club by mutual consent."
The statement added: "The club would like to thank Riga for his services and wish him well for the future."