The Spaniard ended his association with the club in 2012, when he embarked on a one-year sabbatical leave from the game.
Now his father has told Barca fans, not to expect him back in any role at the club.
“Return to Barcelona? To do what, work as a ballboy?” Valenti joked with Cadena Ser on Monday.
“I really don’t see him there either as president or on the bench. His time with Barca has come and gone, I don’t think he would do well in going back.
“At the very least, I think we can rule out him coming back as coach.”
Guardiola, who is now coach of Manchester City, returns to Camp Nou on Wednesday to face his old club. Valenti says he will be supporting the Premier League team.
He also backed his son to do with his new club.
“He does well everywhere,” he added.
“He did great in Germany too, they loved him there, and he has walked into a big club in England.”
There is one job, he however cannot see his son accepting.
“I would say he could take the Catalan national team, but I can’t see him in Spain,” he said.
“I’m not just saying that, I have nothing against anyone. Everyone is free to think what they want.
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