diff --git a/staging/src/k8s.io/apiserver/pkg/admission/plugin/webhook/initializer/initializer_test.go b/staging/src/k8s.io/apiserver/pkg/admission/plugin/webhook/initializer/initializer_test.go
index 553690d9a58..bc05b9c5db2 100644
--- a/staging/src/k8s.io/apiserver/pkg/admission/plugin/webhook/initializer/initializer_test.go
+++ b/staging/src/k8s.io/apiserver/pkg/admission/plugin/webhook/initializer/initializer_test.go
@@ -26,9 +26,7 @@ import (
 
 type doNothingAdmission struct{}
 
-func (doNothingAdmission) Admit(a admission.Attributes) error { return nil }
 func (doNothingAdmission) Handles(o admission.Operation) bool { return false }
-func (doNothingAdmission) Validate() error                    { return nil }
 
 type fakeServiceResolver struct{}