Borussia Dortmund chief executive Hans-Joachim Watzke insists Barcelona have not retained a buy-back option on Marc Bartra.
The Spain international left Camp Nou for Signal Iduna Park on Friday, BVB having activated an €8 million release clause in the defender's contract.
It would have cost prospective buyers €40m to prise the academy product away from Barca, but his price tag dropped substantially after he failed to play a minimum number of games stipulated in his contract.
The failure of Barca to meet those conditions also meant the Liga champions were unable to retain a buy-back option when the 25-year-old left, something confirmed by the BVB CEO.
"There is no option to repurchase," Watzke was quoted as saying by Kicker.
Bartra must attempt to fill a major void at Dortmund next term, with the club set to lose captain Mats Hummels to Bayern Munich in the off-season.
Watzke, though, hopes the new arrival will not suffer in comparison to the Germany centre-back early in his Bundesliga career.
"We believe that he is a highly talented player, [but] we must not overburden Marc with [our] expectations," he said.
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