The Swede was scheduled to stay on-loan to the end of the season, but it was confirmed last night that the deal had been cut short.
"Brighton wanted him back, it happened a couple of days ago and he has said goodbye," said Swans manager Steve Cooper to the club's website.
"I have to say that he is a really good guy, and there is a good player in there."
Gyokeres has been linked with Malmo FF, though Coventry City are regarded as favourites to take over his loan.
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