Francisco Trincao has returned to Barcelona after Wolves opted against triggering their purchase option.
The 22-year-old winger joined Wolves on loan last July, reportedly paying £5.1million (€5.9m) to borrow him for the season.
As part of the deal, Wolves secured an option to buy the Portugal international for £25million (€29m) at the end of the loan, but that rarely looked a realistic outcome.
Trincao featured 28 times for Wolves in the Premier League, though only 16 of those appearances were as a starter, and he had a hand in just four goals.
Despite Wolves letting Trincao return to Barcelona, they will – according to a report published on Sunday by the West Midlands-based Express and Star – receive 20 per cent of his next transfer fee.
He heads back to Barca with his future at Camp Nou unclear, as the club are keen to offload deadwood amid something of a financial crisis.
Barca reportedly spent €31million in January 2020 to bring Trincao to the club from Sporting Braga, but his impact has been largely minimal.