Gaziantepspor have released a statement confirming that Okan Buruk has resigned from his position as manager.
Buruk guided the Falcons to a respectable 10th place in the league this season.
The former Galatasaray star was one of the few managers to remain in charge of the same team all season.
Only six Süper Lig sides still have the same manager they started the season with.
Beşiktaş boss Slaven Bilic, Bursaspor manager Şenol Güneş, Fenerbahçe head coach İsmail Kartal, Başakşehir coach Abdullah Avcı, Mersin boss Rıza Çalımbay and Gaziantepspor manager Okan Buruk are the last men standing.
The full 2014-15 season Süper Lig manager casualty list is as follows:
Akhisar Belediyespor: Mustafa Reşit Akçay, Roberto Carlos
Balıkesispor: İsmail Ertekin, Kemal Özdeş,
Beşiktaş: Slaven Bilic
Bursaspor: Şenol Güneş
Çaykur Rizespor: Mehmet Özdilek, Hikmet Karaman
Eskişehirspor: Ertuğrul Sağlam, Michael Skibbe
Fenerbahçe: İsmail Kartal
Galatasaray: Cesare Prandelli, Hamza Hamzaoğlu
Gaziantepspor: Okan Buruk
Gençlerbirliği: Mustafa Kaplan, İrfan Buz, Mesut Bakkal
İstanbul Başakşehir: Abdullah Avcı
Kardemir Karabüspor: Tolunay Kafkas, Yılmaz Vural
Kasımpaşa: Shota Arveladze, Jan Wouters, Önder Özen
Medicana Sivasspor: Roberto Carlos, Sergen Yalçın
Mersin İdmanyurdu: Rıza Çalımbay
Suat Altın İnşaat Kayseri Erciyesspor: Bülent Korkmaz, Uğur Tütüneker, Mehmet Özdilek, Fatih Tekke
Torku Konyaspor: Mesut Bakkal, Aykut Kocaman
Trabzonspor: Vahid Halilhodzic, Ersun Yanal