diff --git a/staging/src/k8s.io/apiextensions-apiserver/pkg/controller/establish/establishing_controller.go b/staging/src/k8s.io/apiextensions-apiserver/pkg/controller/establish/establishing_controller.go
index 5c2ebbcaad836..6420c3a6f1ee7 100644
--- a/staging/src/k8s.io/apiextensions-apiserver/pkg/controller/establish/establishing_controller.go
+++ b/staging/src/k8s.io/apiextensions-apiserver/pkg/controller/establish/establishing_controller.go
@@ -99,6 +99,7 @@ func (ec *EstablishingController) processNextWorkItem() bool {
 
 	err := ec.syncFn(key.(string))
 	if err == nil {
+		ec.queue.Forget(key)
 		return true
 	}