AC Milan's Brazilian playmaker Kaka will not be sold to Real Madrid, the European champions said again on Tuesday.
Transfer speculation in Spain and Italy has linked Kaka with a move to Real despite repeated declarations by Milan that the player is not for sale.
Earlier this month Milan said Kaka's father had held a meeting with Real Madrid.
"I've asked (Real's sporting director) Pedrag Mijatovic to drop this business about Kaka. I've told him enough is enough - in a polite way of course," vice-president Adriano Galliani was quoted as saying on Milan's website.
"Kaka will absolutely be staying in Milan. He has a contract and I believe he is happy to be in Milan. Certainly, these things are disturbing, but it's proof that we have got the best player in the world."
Kaka has developed into one of Milan's key players since joining from Brazilian club Sao Paolo in 2003.
The 25-year-old was the driving force behind Milan's victorious Champions League campaign last season, scoring 10 goals on the way to the final.