Grey Abbey will miss next Saturday's Gala Casinos Daily Record Scottish Grand National at Ayr.
The absence of the popular front-running gelding means the weights are set to rise significantly with Take The Stand and Royal Auclair also unlikely to feature.
Trainer Howard Johnson told the Racing Post: "He's finished for the season - he's done plenty. He seems fine and we will monitor things during the summer.
"We would look at something like the Charlie Hall. We might go for the Lexus [at Leopardstown], where he would get soft ground."
