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Slater, who has been on the show since the first series in 2006, revealed the news on his official website, posting a message to his fans.
Writing in a post titled 'I Will Not Be Judging Dancing On Ice Series 6', he said: "ITV have told me that they are refreshing the judging panel for the 2011 season of Dancing On Ice and that I will not be on the panel.
"I have been a judge for the last five years on the show. It was a shock to get the news as I was under the impression that I was wanted for the show. However, things changed abruptly. My lawyer was told and had it confirmed again today that I will not be needed."
He continued: "I imagine I will go through the gamut of emotions ranging from loss, to 'woe is me' to a rational balanced approach that justifies the decision in the next few weeks. I've had some of this already. In some strange way, even though I was a contractor out of contract, the surprising and somewhat cursory goodbye feels like I've been sacked!
"So I expect some natural emotional rollercoastering. I have enjoyed being part of a super team and a big show - I love showbusiness. It has sometimes been great fun and often very challenging as a journey for me as a judge on DOI."
Speaking positively about his future, he added: "There are blessings in the news. DOI does take time and a lot of head-space for me and I have been craving time for my own projects.
"Now I have more which is a win. My next year is planned as one of learning, writing and developing music, video and my own show in my studio. I am on a journey that I hope will end up with something magical to give the world.
"I wish all the DOI crew, producers and front-of-house talent every success for series six which I am sure will be as action-packed as ever. Thank you for the five years I've had. I must admit though that I will be glad not to have people shouting down my ear in a hostile environment for a while."
None of last year's judges - Jason Gardiner, Karen Barber, Emma Bunton and Robin Cousins - have been confirmed to return yet for the 2011 series.
