Asked whether he has spoken personally with Grealish about his future, Smith said: ““No, not at all.
“One week it’s Man United, the other week it’s Barca or Real Madrid. There’s always going to be speculation about top players.
“He is a top player but, thankfully, the window is shut and we don’t have to talk about it anymore.
“It’s obviously speculation. I can’t keep commenting on speculation about people.”