Like-A-Butterfly has been ruled out of the Flyingbolt Novice Chase at Navan on Sunday.
The JP McManus-owned mare was due to take on fellow Arkle Trophy hopes Ulaan Baatar and Watson Lake in the Grade Two contest.
But the owner's racing manager Frank Berry said today: "She doesn't run at Navan. Her blood wasn't 100 per cent so she's going to wait for another week or two.
"Basically her blood wasn't right (at Leopardstown). It's coming back pretty good but it's just not 100 per cent. She's perfect other than that."