We have had nine superb years with the horse but, after seeing him in his work these past few weeks, myself, Clifford and Dan were of the opinion that the time had arrived to retire him.
Of course, as owner, the final decision rested with Clive, but he agreed that the horse had done enough.
...And, deep down, we know he has done enough - and in some ways I think we have to protect him from himself. And maybe ourselves, too. If he did go to Kempton and win or run well, would you really want to run him - or be able to resist the temptation - in the Gold Cup?
I am not so sure.
Kauto Star, who won the King George VI Chase a record five times, has been put down, the Racing Post reports.
Paul Nicholls has announced Cheltenham Gold Cup winner and five-time King George VI Chase hero Kauto Star has been retired.