Classy galloper El Roca has been ruled out of the spring carnival because of injury.

The stakes winner and dual Group One placegetter was due to run first-up in Saturday's Group Three Bobbie Lewis Quality at Flemington.

But the New Zealander was scratched on race morning after swelling and heat was detected in his off foreleg.

El Roca is trained by Trent Busuttin and Natalie Young who confirmed via social media that El Roca's spring is over.

"Unfortunately EL ROCA has (a) suspensory injury and will be out for rest of spring carnival, gutted!" Busuttin Racing announced on Twitter.