Leading Fred Winter fancy Capellanus has been ruled out of the race after being found to be lame.
Edward O'Grady's charge had been as short as 8-1 for next Thursday's contest.
David Pipe's Notus de La Tour has shortened up at the head of the market as a result and is now as low as 11-2 although 7-1 is still available with Sky Bet and Ladbrokes.