The 25-year-old maintains that he is staying focused on the Olympics and will leave such matters in the hands of his agent.
"We know that there is news like that every day, but I would rather not talk about it," he told CBF TV. "I let my agent handle it. I am sure the best solution will be found.
"All I am thinking about is being part of coach Mano Menezes' plans for the Olympic Games."