diff --git a/staging/src/k8s.io/code-generator/_examples/crd/apis/example/v1/zz_generated.defaults.go b/staging/src/k8s.io/code-generator/_examples/crd/apis/example/v1/zz_generated.defaults.go
new file mode 100644
index 00000000000..cce2e603a69
--- /dev/null
+++ b/staging/src/k8s.io/code-generator/_examples/crd/apis/example/v1/zz_generated.defaults.go
@@ -0,0 +1,32 @@
+// +build !ignore_autogenerated
+
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by defaulter-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// RegisterDefaults adds defaulters functions to the given scheme.
+// Public to allow building arbitrary schemes.
+// All generated defaulters are covering - they call all nested defaulters.
+func RegisterDefaults(scheme *runtime.Scheme) error {
+	return nil
+}
diff --git a/staging/src/k8s.io/code-generator/_examples/crd/apis/example2/v1/zz_generated.defaults.go b/staging/src/k8s.io/code-generator/_examples/crd/apis/example2/v1/zz_generated.defaults.go
new file mode 100644
index 00000000000..cce2e603a69
--- /dev/null
+++ b/staging/src/k8s.io/code-generator/_examples/crd/apis/example2/v1/zz_generated.defaults.go
@@ -0,0 +1,32 @@
+// +build !ignore_autogenerated
+
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by defaulter-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// RegisterDefaults adds defaulters functions to the given scheme.
+// Public to allow building arbitrary schemes.
+// All generated defaulters are covering - they call all nested defaulters.
+func RegisterDefaults(scheme *runtime.Scheme) error {
+	return nil
+}
diff --git a/staging/src/k8s.io/sample-apiserver/pkg/apis/wardle/v1alpha1/zz_generated.defaults.go b/staging/src/k8s.io/sample-apiserver/pkg/apis/wardle/v1alpha1/zz_generated.defaults.go
index dd621a3acda..46d1c65f444 100644
--- a/staging/src/k8s.io/sample-apiserver/pkg/apis/wardle/v1alpha1/zz_generated.defaults.go
+++ b/staging/src/k8s.io/sample-apiserver/pkg/apis/wardle/v1alpha1/zz_generated.defaults.go
@@ -28,5 +28,18 @@ import (
 // Public to allow building arbitrary schemes.
 // All generated defaulters are covering - they call all nested defaulters.
 func RegisterDefaults(scheme *runtime.Scheme) error {
+	scheme.AddTypeDefaultingFunc(&Flunder{}, func(obj interface{}) { SetObjectDefaults_Flunder(obj.(*Flunder)) })
+	scheme.AddTypeDefaultingFunc(&FlunderList{}, func(obj interface{}) { SetObjectDefaults_FlunderList(obj.(*FlunderList)) })
 	return nil
 }
+
+func SetObjectDefaults_Flunder(in *Flunder) {
+	SetDefaults_FlunderSpec(&in.Spec)
+}
+
+func SetObjectDefaults_FlunderList(in *FlunderList) {
+	for i := range in.Items {
+		a := &in.Items[i]
+		SetObjectDefaults_Flunder(a)
+	}
+}