Grands Crus still has the Ladbrokes World Hurdle and Ryanair Chase as his possible Cheltenham Festival targets as the grey recovers from an ulcer problem.
Third in the King George VI Chase after having a breathing operation, the eight-year-old ran poorly once again when pulled up in the Argento Chase at Cheltenham last month.
Trainer David Pipe told his website: "He was given an easy time of things after his race while we tried to get to the bottom of his lacklustre effort and he is now being treated for gastric ulcers."
He added: "He is back on the gallops and looks well in himself so I will need to speak with his owners and decide the plan of action.
"Tomorrow (Tuesday) there is a forfeit stage for the Gold Cup, Ryanair Chase and World Hurdle and I can inform you that he will be scratched from the Gold Cup but will be left in both the Ryanair Chase and World Hurdle."
Pipe's horses ran well all weekend and he confirmed Swing Bowler could be given the option of the Vincent O'Brien County Hurdle after her fine effort behind My Tent Or Yours in the Betfair Hurdle at Newbury.
His two Exeter winners, Vieux Lion Rouge and The Liquidator, are in contention for the Champion Bumper, while Broadway Buffalo remains unbeaten after his hurdling debut at Newcastle.
Pipe said of Broadway Buffalo: "His jumping improved as the race went on and by the time they reached the long Newcastle straight he was pinging his hurdles.
"With the right horses coming to the forefront, the way in which he comfortably drew 17 lengths clear of his rivals bodes well for the future.
"He is entered in the Neptune Investment Hurdle and the Albert Bartlett at next month's Cheltenham Festival."
4 July 2015Horn calls the tune in Eclipse
Blond shows her true colours
Notarised lands Newton prize
Basem proves up to Challenge
Tiana takes Oaks triumph
Tiana takes Oaks triumph
Waady leads the Charge
Cymro claims Haydock honours
Flash fires home
Maria added to Falmouth field
Majestic vies for Fairyhouse rule
Geraghty back in business
Walsh indebted to king Kauto
Angel confirmed Sandown non-runner
Doyle and Johnston shine at Sandown
Johnson scorches to fastest fifty
Windshear up for the Cup
Muhaarar in great form - Hills
Chantilly off the radar for Test
Gatsby sets sights on Horn
Queen aiming to reign in Oaks
Gosden respects Golden rivals
3 July 2015Cyclone set for Leopardstown outing
Waady aiming to step up
Angel major Sandown doubt
Strong Gosden hand at Newmarket
Doyle up for the Challenge
Sandown team mull watering plans
Kazeem on comeback trail
Lennox option for Limato
Magnificent seven for Elliott
Pendleton thrilled with first ride
Balding hoping for Park August run
Kirby unscathed in house fire
Pilot charters path to York
Provenance has claims on Sandown
Soapy out to slay Dragon rivals
Spencer rides Gatsby in Eclipse
Space considered for Ascot return
2 July 2015Creighton discharged from hospital
Postulation checks in at Belmont
Charming thoughts turn to Doncaster
Deauville date for Diamond
Mecca's takes Thirsk honours
Dods waits on Angel decision
Soumillon takes Certain ride
Mile on Spear radar
September aim for Tryster
Cup aim for Arab
Time out for Hannon aces
Close encounter excites Doyle
Island to drop in grade
1 July 2015Muir keeps faith with Baz
Lynam ponders dual July raid
Geraghty targets weekend return
Pendleton swaps saddles at Newbury
Latharnach given Goodwood aim
More Stewart woe for Lynam
Time makes all the right moves
Canadian dream for Odeliz
Ground to dictate plans for Ribbons
Walsh remembers 'heavyweight' Kauto
Queen possible for Godolphin debut
Intilaaq in line for return
McCoy salutes 'amazing' Kauto
Nicholls leads Kauto tributes
Star put down after paddock fall