diff --git a/pkg/webhook/pod/validating/verify_annotations.go b/pkg/webhook/pod/validating/verify_annotations.go
index e12e6b79b..791b90147 100644
--- a/pkg/webhook/pod/validating/verify_annotations.go
+++ b/pkg/webhook/pod/validating/verify_annotations.go
@@ -24,7 +24,6 @@ import (
 	"k8s.io/apimachinery/pkg/util/validation/field"
 	"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
 
-	"github.com/koordinator-sh/koordinator/apis/extension"
 	"github.com/koordinator-sh/koordinator/pkg/util/reservation"
 )
 
@@ -59,7 +58,6 @@ func (h *PodValidatingHandler) clusterReservationValidatingPod(ctx context.Conte
 }
 
 var forbidAnnotations = []string{
-	extension.AnnotationReservationAllocated,
 	reservation.AnnotationReservePod,
 }
 
@@ -71,7 +69,7 @@ func forbidSpecialAnnotations(pod *corev1.Pod) field.ErrorList {
 
 	for _, annotation := range forbidAnnotations {
 		if _, ok := pod.Annotations[annotation]; ok {
-			errorList = append(errorList, field.Forbidden(field.NewPath("annotations", extension.AnnotationReservationAllocated), "cannot set in annotations"))
+			errorList = append(errorList, field.Forbidden(field.NewPath("annotations", annotation), "cannot set in annotations"))
 		}
 	}
 	return errorList
diff --git a/pkg/webhook/pod/validating/verify_annotations_test.go b/pkg/webhook/pod/validating/verify_annotations_test.go
index 6848af5a2..7c73e32d8 100644
--- a/pkg/webhook/pod/validating/verify_annotations_test.go
+++ b/pkg/webhook/pod/validating/verify_annotations_test.go
@@ -29,8 +29,8 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
 
 	configv1alpha1 "github.com/koordinator-sh/koordinator/apis/config/v1alpha1"
-	"github.com/koordinator-sh/koordinator/apis/extension"
 	"github.com/koordinator-sh/koordinator/pkg/util"
+	"github.com/koordinator-sh/koordinator/pkg/util/reservation"
 )
 
 func init() {
@@ -54,13 +54,13 @@ func TestClusterReservationValidatingPod(t *testing.T) {
 			newPod: &corev1.Pod{
 				ObjectMeta: metav1.ObjectMeta{
 					Annotations: map[string]string{
-						extension.AnnotationReservationAllocated: "",
+						reservation.AnnotationReservePod: "",
 					},
 				},
 			},
 			wantErr:     true,
 			wantAllowed: false,
-			wantReason:  `annotations.scheduling.koordinator.sh/reservation-allocated: Forbidden: cannot set in annotations`,
+			wantReason:  `annotations.scheduling.koordinator.sh/reserve-pod: Forbidden: cannot set in annotations`,
 		},
 	}