King called time on his 13-year professional career last summer after finally admitting defeat in his battle against a chronic knee injury.
"I believe (Redknapp) tried to (get me to come out of retirement), but he didn't manage to get hold of me," King said at the launch of Vodafone 4G in Trafalgar Square.
"I wouldn't have done it though. I played at Tottenham my whole life and it would have been a bit silly to try and come back knowing I can't do what I want, play the way I like to play. I have barely kicked a ball since I retired.
"And I also have got such a great affiliation with Tottenham, so I would like to leave it there."
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