The young defender, 18, is a January target for Chelsea manager Jose Mourinho.
But Pochettino says: “The club do not want to sell him but the rumours are not helpful for him and the player is not for sale.
“I think many of our players who have been in the spotlight recently need to adapt to these new experiences. They have to live with these new situations.”
For breaking stories and all the great banter like us on Facebook: facebook.com/tribalfootball