Rock On Ruby has been retired due to a tendon injury, according to trainer Harry Fry.
The 2012 Champion Hurdler winner only finished outside the top four once in his stellar 27-race career.
"Ruby is ten now and his owners have generously given him to my wife Ciara who adores him, and has always looked after him at home,” said Fry.
"She will ensure that he remains the elder statesman of the yard for the rest of his life.”
Paul Nicholls was the Irish-bred horse’s official trainer when claimed Cheltenham glory in 2012, though Fry, who was in charge of the satellite yard where he trained at the time, rightly took much of the credit.
"He will have a break for the rest of this season and have a good summer holiday before coming back into work in the autumn where he will continue to enjoy leading the string which he has done for the past six years,” Fry continued.
"It is quite fitting that, like a true champion, he bows out at the top of his game.
"Ruby has taken us and his aptly-named owners, The Festival Goers, on an incredible journey over the past few years.
"He truly is one in a million as his form suggests with 12 wins, eight seconds, five thirds, one fourth place and just one unplaced effort in 27 starts.
"What a phenomenal athlete," concluded the trainer
