Bruma, who has made 13 league appearances for the Portuguese giants, has been subject to reported interest from the Premier League, with Manchester City, Manchester United, Chelsea and Tottenham all said to have scouted the winger.
However, Bruma has announced that he is not looking for a move, and has parted company with his agent Pini Zahivi.
"I have split from my agent [Zahavi]," Bruma told Portuguese paper Record.
"This is because I was not happy with negotiations over my future.
"Sporting Lisboa is the club that I love and I would like to discuss a new deal with the president.
"Personally, I am happy at Sporting."