The Turkish side have made the final decision on the long-term future of the Ghanaian and will not keep the forward.
Besiktas will go down economically due to the coronavirus pandemic and will not have the financial muscle to keep the former AC Milan star.
Boateng joined the side on a loan deal from Italian side Fiorentina but will end his association with the the side this summer.
Despite insisting he's happy at Besiktas, it confirmed the Turkish side won't have the fiances to purchase the forward on a permanent basis.
The Black-and-White are suffocating under financial stress due to the outbreak of the coronavirus -after Liverpool goalkeeper Loris Karius terminated his contract with the side.
Ghanaian star Kevin-Prince Boateng will return to parent club Fiorentina after the coronavirus crisis.