Celtic have confirmed the exit of Luis Palma - five days after Lech Poznan announced him as their player.
The Honduran winger made his loan move to the Polish side permanent after they triggered their option to buy.
Palma scored 12 goals and assisted eight during his campaign in Ekstraklasa and that was enough to persuade Poznan to make it permanent, despite previous reports they couldn't afford the fee.
They confirmed the transfer on June 3 and Celtic have now given their own confirmation on their Facebook page.
They said: "Celtic FC can confirm that Luis Palma has joined Lech Poznan. Best of luck and thank you, Luis."
Lech Poznan sporting director Tomasz Rzasa explained their decision to sign the player permanently.
"The loan agreement with Celtic FC included an option to buy, so the decision was entirely in our hands from the outset," Rzasa told club media.
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"We are pleased to confirm that on Wednesday, June 3rd, we exercised the clause and Luis Palma will be a part of our squad until June 30th, 2029.
"Naturally, we cannot disclose the exact figures involved, but I can confirm that this is the highest transfer fee in the club’s history."
He added: "It was impossible to overlook Luis' performances.
"He settled into the team very quickly and consistently delivered quality on the pitch, a fact that was reflected in his statistics.
"We remained calm throughout the speculation surrounding his future because we knew we held all the cards. After reviewing the season, we decided to make the move permanent.
"We hope Luis' excellent form continues and that he helps us from the very start of the new campaign, especially in the upcoming UEFA Champions League qualifiers.
"We are working hard to ensure we have the strongest possible squad in place ahead of the pre-season."