"I don't think it's that helpful, especially from a so-called friend," Cook said after England's 133-run defeat by India in the second one-day international here yesterday.
Speaking about England's chances in the World Cup next year, Swann had said: "If he (Cook) truly believes England can win this World Cup . . . I am the greatest patriot there is but we do not have a cat in hell's chance."
He had said Cook's one-day strike rate -- currently at 77.98 runs per 100 balls -- does not set the tone that will make England competitive in next year's World Cup in New Zealand and Australia.
"He's entitled to his opinion, but it's not ideal for me, especially when you get through the summer I've had," said Cook, who has had to resist calls to quit as England's Test captain.
Cook also confirmed he had not spoken to Swann about his views, but added: "The phone is always open the other way.