After winning the Champions League in Sunday with Bayern Munich, Coutinho is now returning to Barca with his loan having concluded.
There has been talk of new coach Ronaldo Koeman insisting he wants to work with the Brazil midfielder, but Coutinho has now cast doubt on those plans.
He told Movistar: "The return to Barcelona? I haven't thought about it.
"I have to come back and I want to work hard to have a great season. I don't know if it will be with Barcelona..."