diff --git a/docs/book/src/cronjob-tutorial/testdata/project/internal/webhook/v1/webhook_suite_test.go b/docs/book/src/cronjob-tutorial/testdata/project/internal/webhook/v1/webhook_suite_test.go
index 2f49aa1a62b..e286589ed57 100644
--- a/docs/book/src/cronjob-tutorial/testdata/project/internal/webhook/v1/webhook_suite_test.go
+++ b/docs/book/src/cronjob-tutorial/testdata/project/internal/webhook/v1/webhook_suite_test.go
@@ -29,8 +29,7 @@ import (
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 
-	admissionv1 "k8s.io/api/admission/v1"
-	apimachineryruntime "k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -67,11 +66,7 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	var err error
-	scheme := apimachineryruntime.NewScheme()
-	err = batchv1.AddToScheme(scheme)
-	Expect(err).NotTo(HaveOccurred())
-
-	err = admissionv1.AddToScheme(scheme)
+	err = batchv1.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())
 
 	// +kubebuilder:scaffold:scheme
@@ -96,14 +91,14 @@ var _ = BeforeSuite(func() {
 	Expect(err).NotTo(HaveOccurred())
 	Expect(cfg).NotTo(BeNil())
 
-	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
+	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
 	Expect(err).NotTo(HaveOccurred())
 	Expect(k8sClient).NotTo(BeNil())
 
 	// start webhook server using Manager.
 	webhookInstallOptions := &testEnv.WebhookInstallOptions
 	mgr, err := ctrl.NewManager(cfg, ctrl.Options{
-		Scheme: scheme,
+		Scheme: scheme.Scheme,
 		WebhookServer: webhook.NewServer(webhook.Options{
 			Host:    webhookInstallOptions.LocalServingHost,
 			Port:    webhookInstallOptions.LocalServingPort,
diff --git a/docs/book/src/multiversion-tutorial/testdata/project/internal/webhook/v1/webhook_suite_test.go b/docs/book/src/multiversion-tutorial/testdata/project/internal/webhook/v1/webhook_suite_test.go
index 2f49aa1a62b..e286589ed57 100644
--- a/docs/book/src/multiversion-tutorial/testdata/project/internal/webhook/v1/webhook_suite_test.go
+++ b/docs/book/src/multiversion-tutorial/testdata/project/internal/webhook/v1/webhook_suite_test.go
@@ -29,8 +29,7 @@ import (
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 
-	admissionv1 "k8s.io/api/admission/v1"
-	apimachineryruntime "k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -67,11 +66,7 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	var err error
-	scheme := apimachineryruntime.NewScheme()
-	err = batchv1.AddToScheme(scheme)
-	Expect(err).NotTo(HaveOccurred())
-
-	err = admissionv1.AddToScheme(scheme)
+	err = batchv1.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())
 
 	// +kubebuilder:scaffold:scheme
@@ -96,14 +91,14 @@ var _ = BeforeSuite(func() {
 	Expect(err).NotTo(HaveOccurred())
 	Expect(cfg).NotTo(BeNil())
 
-	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
+	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
 	Expect(err).NotTo(HaveOccurred())
 	Expect(k8sClient).NotTo(BeNil())
 
 	// start webhook server using Manager.
 	webhookInstallOptions := &testEnv.WebhookInstallOptions
 	mgr, err := ctrl.NewManager(cfg, ctrl.Options{
-		Scheme: scheme,
+		Scheme: scheme.Scheme,
 		WebhookServer: webhook.NewServer(webhook.Options{
 			Host:    webhookInstallOptions.LocalServingHost,
 			Port:    webhookInstallOptions.LocalServingPort,
diff --git a/docs/book/src/multiversion-tutorial/testdata/project/internal/webhook/v2/webhook_suite_test.go b/docs/book/src/multiversion-tutorial/testdata/project/internal/webhook/v2/webhook_suite_test.go
index 04453d60c48..6477f2f6850 100644
--- a/docs/book/src/multiversion-tutorial/testdata/project/internal/webhook/v2/webhook_suite_test.go
+++ b/docs/book/src/multiversion-tutorial/testdata/project/internal/webhook/v2/webhook_suite_test.go
@@ -29,8 +29,7 @@ import (
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 
-	admissionv1 "k8s.io/api/admission/v1"
-	apimachineryruntime "k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -67,11 +66,7 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	var err error
-	scheme := apimachineryruntime.NewScheme()
-	err = batchv2.AddToScheme(scheme)
-	Expect(err).NotTo(HaveOccurred())
-
-	err = admissionv1.AddToScheme(scheme)
+	err = batchv2.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())
 
 	// +kubebuilder:scaffold:scheme
@@ -96,14 +91,14 @@ var _ = BeforeSuite(func() {
 	Expect(err).NotTo(HaveOccurred())
 	Expect(cfg).NotTo(BeNil())
 
-	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
+	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
 	Expect(err).NotTo(HaveOccurred())
 	Expect(k8sClient).NotTo(BeNil())
 
 	// start webhook server using Manager.
 	webhookInstallOptions := &testEnv.WebhookInstallOptions
 	mgr, err := ctrl.NewManager(cfg, ctrl.Options{
-		Scheme: scheme,
+		Scheme: scheme.Scheme,
 		WebhookServer: webhook.NewServer(webhook.Options{
 			Host:    webhookInstallOptions.LocalServingHost,
 			Port:    webhookInstallOptions.LocalServingPort,
diff --git a/pkg/plugins/golang/v4/scaffolds/internal/templates/webhooks/webhook_suitetest.go b/pkg/plugins/golang/v4/scaffolds/internal/templates/webhooks/webhook_suitetest.go
index ff232a97a3b..cd54c1b2159 100644
--- a/pkg/plugins/golang/v4/scaffolds/internal/templates/webhooks/webhook_suitetest.go
+++ b/pkg/plugins/golang/v4/scaffolds/internal/templates/webhooks/webhook_suitetest.go
@@ -84,7 +84,7 @@ func (f *WebhookSuite) SetTemplateDefaults() error {
 	} else {
 		f.TemplateBody = fmt.Sprintf(webhookTestSuiteTemplate,
 			machinery.NewMarkerFor(f.Path, importMarker),
-			f.Resource.ImportAlias(), admissionImportAlias,
+			f.Resource.ImportAlias(),
 			machinery.NewMarkerFor(f.Path, addSchemeMarker),
 			machinery.NewMarkerFor(f.Path, addWebhookManagerMarker),
 			"%s",
@@ -149,10 +149,6 @@ func (f *WebhookSuite) GetCodeFragments() machinery.CodeFragmentsMap {
 
 	// Generate import code fragments
 	imports := make([]string, 0)
-	if !f.IsLegacyPath {
-		imports = append(imports, fmt.Sprintf(apiImportCodeFragment, f.Resource.ImportAlias(), f.Resource.Path))
-	}
-	imports = append(imports, fmt.Sprintf(apiImportCodeFragment, admissionImportAlias, admissionPath))
 
 	// Generate add scheme code fragments
 	addScheme := make([]string, 0)
@@ -160,8 +156,10 @@ func (f *WebhookSuite) GetCodeFragments() machinery.CodeFragmentsMap {
 	// Generate add webhookManager code fragments
 	addWebhookManager := make([]string, 0)
 	if f.IsLegacyPath {
+		imports = append(imports, fmt.Sprintf(apiImportCodeFragment, admissionImportAlias, admissionPath))
 		addWebhookManager = append(addWebhookManager, fmt.Sprintf(addWebhookManagerCodeFragmentLegacy, f.Resource.Kind))
 	} else {
+		imports = append(imports, fmt.Sprintf(apiImportCodeFragment, f.Resource.ImportAlias(), f.Resource.Path))
 		addWebhookManager = append(addWebhookManager, fmt.Sprintf(addWebhookManagerCodeFragment, f.Resource.Kind))
 	}
 
@@ -196,7 +194,6 @@ import (
     . "github.com/onsi/ginkgo/v2"
     . "github.com/onsi/gomega"
 
-	apimachineryruntime "k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime"
@@ -231,11 +228,7 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	var err error
-	scheme := apimachineryruntime.NewScheme()
-	err = %s.AddToScheme(scheme)
-	Expect(err).NotTo(HaveOccurred())
-
-	err = %s.AddToScheme(scheme)
+	err = %s.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())
 
 	%s
@@ -260,14 +253,14 @@ var _ = BeforeSuite(func() {
 	Expect(err).NotTo(HaveOccurred())
 	Expect(cfg).NotTo(BeNil())
 
-	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
+	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
 	Expect(err).NotTo(HaveOccurred())
 	Expect(k8sClient).NotTo(BeNil())
 
 	// start webhook server using Manager.
 	webhookInstallOptions := &testEnv.WebhookInstallOptions
 	mgr, err := ctrl.NewManager(cfg, ctrl.Options{
-		Scheme:             scheme,
+		Scheme:             scheme.Scheme,
 		WebhookServer: webhook.NewServer(webhook.Options{
 			Host:               webhookInstallOptions.LocalServingHost,
 			Port:               webhookInstallOptions.LocalServingPort,
diff --git a/testdata/project-v4-multigroup/internal/webhook/apps/v1/webhook_suite_test.go b/testdata/project-v4-multigroup/internal/webhook/apps/v1/webhook_suite_test.go
index 2228b1700fe..4d3c36256b5 100644
--- a/testdata/project-v4-multigroup/internal/webhook/apps/v1/webhook_suite_test.go
+++ b/testdata/project-v4-multigroup/internal/webhook/apps/v1/webhook_suite_test.go
@@ -29,9 +29,8 @@ import (
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 
-	admissionv1 "k8s.io/api/admission/v1"
 	appsv1 "k8s.io/api/apps/v1"
-	apimachineryruntime "k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -66,11 +65,7 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	var err error
-	scheme := apimachineryruntime.NewScheme()
-	err = appsv1.AddToScheme(scheme)
-	Expect(err).NotTo(HaveOccurred())
-
-	err = admissionv1.AddToScheme(scheme)
+	err = appsv1.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())
 
 	// +kubebuilder:scaffold:scheme
@@ -95,14 +90,14 @@ var _ = BeforeSuite(func() {
 	Expect(err).NotTo(HaveOccurred())
 	Expect(cfg).NotTo(BeNil())
 
-	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
+	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
 	Expect(err).NotTo(HaveOccurred())
 	Expect(k8sClient).NotTo(BeNil())
 
 	// start webhook server using Manager.
 	webhookInstallOptions := &testEnv.WebhookInstallOptions
 	mgr, err := ctrl.NewManager(cfg, ctrl.Options{
-		Scheme: scheme,
+		Scheme: scheme.Scheme,
 		WebhookServer: webhook.NewServer(webhook.Options{
 			Host:    webhookInstallOptions.LocalServingHost,
 			Port:    webhookInstallOptions.LocalServingPort,
diff --git a/testdata/project-v4-multigroup/internal/webhook/cert-manager/v1/webhook_suite_test.go b/testdata/project-v4-multigroup/internal/webhook/cert-manager/v1/webhook_suite_test.go
index 828e45fc132..68362a43237 100644
--- a/testdata/project-v4-multigroup/internal/webhook/cert-manager/v1/webhook_suite_test.go
+++ b/testdata/project-v4-multigroup/internal/webhook/cert-manager/v1/webhook_suite_test.go
@@ -30,8 +30,7 @@ import (
 	. "github.com/onsi/gomega"
 
 	certmanagerv1 "github.com/cert-manager/cert-manager/pkg/apis/certmanager/v1"
-	admissionv1 "k8s.io/api/admission/v1"
-	apimachineryruntime "k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -66,11 +65,7 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	var err error
-	scheme := apimachineryruntime.NewScheme()
-	err = certmanagerv1.AddToScheme(scheme)
-	Expect(err).NotTo(HaveOccurred())
-
-	err = admissionv1.AddToScheme(scheme)
+	err = certmanagerv1.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())
 
 	// +kubebuilder:scaffold:scheme
@@ -95,14 +90,14 @@ var _ = BeforeSuite(func() {
 	Expect(err).NotTo(HaveOccurred())
 	Expect(cfg).NotTo(BeNil())
 
-	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
+	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
 	Expect(err).NotTo(HaveOccurred())
 	Expect(k8sClient).NotTo(BeNil())
 
 	// start webhook server using Manager.
 	webhookInstallOptions := &testEnv.WebhookInstallOptions
 	mgr, err := ctrl.NewManager(cfg, ctrl.Options{
-		Scheme: scheme,
+		Scheme: scheme.Scheme,
 		WebhookServer: webhook.NewServer(webhook.Options{
 			Host:    webhookInstallOptions.LocalServingHost,
 			Port:    webhookInstallOptions.LocalServingPort,
diff --git a/testdata/project-v4-multigroup/internal/webhook/core/v1/webhook_suite_test.go b/testdata/project-v4-multigroup/internal/webhook/core/v1/webhook_suite_test.go
index 0783acbb5c5..08c8210da26 100644
--- a/testdata/project-v4-multigroup/internal/webhook/core/v1/webhook_suite_test.go
+++ b/testdata/project-v4-multigroup/internal/webhook/core/v1/webhook_suite_test.go
@@ -29,9 +29,8 @@ import (
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 
-	admissionv1 "k8s.io/api/admission/v1"
 	corev1 "k8s.io/api/core/v1"
-	apimachineryruntime "k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -66,11 +65,7 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	var err error
-	scheme := apimachineryruntime.NewScheme()
-	err = corev1.AddToScheme(scheme)
-	Expect(err).NotTo(HaveOccurred())
-
-	err = admissionv1.AddToScheme(scheme)
+	err = corev1.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())
 
 	// +kubebuilder:scaffold:scheme
@@ -95,14 +90,14 @@ var _ = BeforeSuite(func() {
 	Expect(err).NotTo(HaveOccurred())
 	Expect(cfg).NotTo(BeNil())
 
-	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
+	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
 	Expect(err).NotTo(HaveOccurred())
 	Expect(k8sClient).NotTo(BeNil())
 
 	// start webhook server using Manager.
 	webhookInstallOptions := &testEnv.WebhookInstallOptions
 	mgr, err := ctrl.NewManager(cfg, ctrl.Options{
-		Scheme: scheme,
+		Scheme: scheme.Scheme,
 		WebhookServer: webhook.NewServer(webhook.Options{
 			Host:    webhookInstallOptions.LocalServingHost,
 			Port:    webhookInstallOptions.LocalServingPort,
diff --git a/testdata/project-v4-multigroup/internal/webhook/crew/v1/webhook_suite_test.go b/testdata/project-v4-multigroup/internal/webhook/crew/v1/webhook_suite_test.go
index 9552f2ed486..fc9b86c7eab 100644
--- a/testdata/project-v4-multigroup/internal/webhook/crew/v1/webhook_suite_test.go
+++ b/testdata/project-v4-multigroup/internal/webhook/crew/v1/webhook_suite_test.go
@@ -29,8 +29,7 @@ import (
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 
-	admissionv1 "k8s.io/api/admission/v1"
-	apimachineryruntime "k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -67,11 +66,7 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	var err error
-	scheme := apimachineryruntime.NewScheme()
-	err = crewv1.AddToScheme(scheme)
-	Expect(err).NotTo(HaveOccurred())
-
-	err = admissionv1.AddToScheme(scheme)
+	err = crewv1.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())
 
 	// +kubebuilder:scaffold:scheme
@@ -96,14 +91,14 @@ var _ = BeforeSuite(func() {
 	Expect(err).NotTo(HaveOccurred())
 	Expect(cfg).NotTo(BeNil())
 
-	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
+	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
 	Expect(err).NotTo(HaveOccurred())
 	Expect(k8sClient).NotTo(BeNil())
 
 	// start webhook server using Manager.
 	webhookInstallOptions := &testEnv.WebhookInstallOptions
 	mgr, err := ctrl.NewManager(cfg, ctrl.Options{
-		Scheme: scheme,
+		Scheme: scheme.Scheme,
 		WebhookServer: webhook.NewServer(webhook.Options{
 			Host:    webhookInstallOptions.LocalServingHost,
 			Port:    webhookInstallOptions.LocalServingPort,
diff --git a/testdata/project-v4-multigroup/internal/webhook/example.com/v1alpha1/webhook_suite_test.go b/testdata/project-v4-multigroup/internal/webhook/example.com/v1alpha1/webhook_suite_test.go
index 18fd8776ae5..8b0025dc024 100644
--- a/testdata/project-v4-multigroup/internal/webhook/example.com/v1alpha1/webhook_suite_test.go
+++ b/testdata/project-v4-multigroup/internal/webhook/example.com/v1alpha1/webhook_suite_test.go
@@ -29,8 +29,7 @@ import (
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 
-	admissionv1 "k8s.io/api/admission/v1"
-	apimachineryruntime "k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -67,11 +66,7 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	var err error
-	scheme := apimachineryruntime.NewScheme()
-	err = examplecomv1alpha1.AddToScheme(scheme)
-	Expect(err).NotTo(HaveOccurred())
-
-	err = admissionv1.AddToScheme(scheme)
+	err = examplecomv1alpha1.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())
 
 	// +kubebuilder:scaffold:scheme
@@ -96,14 +91,14 @@ var _ = BeforeSuite(func() {
 	Expect(err).NotTo(HaveOccurred())
 	Expect(cfg).NotTo(BeNil())
 
-	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
+	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
 	Expect(err).NotTo(HaveOccurred())
 	Expect(k8sClient).NotTo(BeNil())
 
 	// start webhook server using Manager.
 	webhookInstallOptions := &testEnv.WebhookInstallOptions
 	mgr, err := ctrl.NewManager(cfg, ctrl.Options{
-		Scheme: scheme,
+		Scheme: scheme.Scheme,
 		WebhookServer: webhook.NewServer(webhook.Options{
 			Host:    webhookInstallOptions.LocalServingHost,
 			Port:    webhookInstallOptions.LocalServingPort,
diff --git a/testdata/project-v4-multigroup/internal/webhook/ship/v1/webhook_suite_test.go b/testdata/project-v4-multigroup/internal/webhook/ship/v1/webhook_suite_test.go
index 637f650c7f9..7dc60aa8d75 100644
--- a/testdata/project-v4-multigroup/internal/webhook/ship/v1/webhook_suite_test.go
+++ b/testdata/project-v4-multigroup/internal/webhook/ship/v1/webhook_suite_test.go
@@ -29,8 +29,7 @@ import (
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 
-	admissionv1 "k8s.io/api/admission/v1"
-	apimachineryruntime "k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -67,11 +66,7 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	var err error
-	scheme := apimachineryruntime.NewScheme()
-	err = shipv1.AddToScheme(scheme)
-	Expect(err).NotTo(HaveOccurred())
-
-	err = admissionv1.AddToScheme(scheme)
+	err = shipv1.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())
 
 	// +kubebuilder:scaffold:scheme
@@ -96,14 +91,14 @@ var _ = BeforeSuite(func() {
 	Expect(err).NotTo(HaveOccurred())
 	Expect(cfg).NotTo(BeNil())
 
-	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
+	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
 	Expect(err).NotTo(HaveOccurred())
 	Expect(k8sClient).NotTo(BeNil())
 
 	// start webhook server using Manager.
 	webhookInstallOptions := &testEnv.WebhookInstallOptions
 	mgr, err := ctrl.NewManager(cfg, ctrl.Options{
-		Scheme: scheme,
+		Scheme: scheme.Scheme,
 		WebhookServer: webhook.NewServer(webhook.Options{
 			Host:    webhookInstallOptions.LocalServingHost,
 			Port:    webhookInstallOptions.LocalServingPort,
diff --git a/testdata/project-v4-multigroup/internal/webhook/ship/v2alpha1/webhook_suite_test.go b/testdata/project-v4-multigroup/internal/webhook/ship/v2alpha1/webhook_suite_test.go
index b39099faf74..fe97ec2a0cc 100644
--- a/testdata/project-v4-multigroup/internal/webhook/ship/v2alpha1/webhook_suite_test.go
+++ b/testdata/project-v4-multigroup/internal/webhook/ship/v2alpha1/webhook_suite_test.go
@@ -29,8 +29,7 @@ import (
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 
-	admissionv1 "k8s.io/api/admission/v1"
-	apimachineryruntime "k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -67,11 +66,7 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	var err error
-	scheme := apimachineryruntime.NewScheme()
-	err = shipv2alpha1.AddToScheme(scheme)
-	Expect(err).NotTo(HaveOccurred())
-
-	err = admissionv1.AddToScheme(scheme)
+	err = shipv2alpha1.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())
 
 	// +kubebuilder:scaffold:scheme
@@ -96,14 +91,14 @@ var _ = BeforeSuite(func() {
 	Expect(err).NotTo(HaveOccurred())
 	Expect(cfg).NotTo(BeNil())
 
-	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
+	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
 	Expect(err).NotTo(HaveOccurred())
 	Expect(k8sClient).NotTo(BeNil())
 
 	// start webhook server using Manager.
 	webhookInstallOptions := &testEnv.WebhookInstallOptions
 	mgr, err := ctrl.NewManager(cfg, ctrl.Options{
-		Scheme: scheme,
+		Scheme: scheme.Scheme,
 		WebhookServer: webhook.NewServer(webhook.Options{
 			Host:    webhookInstallOptions.LocalServingHost,
 			Port:    webhookInstallOptions.LocalServingPort,
diff --git a/testdata/project-v4-with-plugins/internal/webhook/v1alpha1/webhook_suite_test.go b/testdata/project-v4-with-plugins/internal/webhook/v1alpha1/webhook_suite_test.go
index c1dda2b48d2..4f4d23b3bb9 100644
--- a/testdata/project-v4-with-plugins/internal/webhook/v1alpha1/webhook_suite_test.go
+++ b/testdata/project-v4-with-plugins/internal/webhook/v1alpha1/webhook_suite_test.go
@@ -29,8 +29,7 @@ import (
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 
-	admissionv1 "k8s.io/api/admission/v1"
-	apimachineryruntime "k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -67,11 +66,7 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	var err error
-	scheme := apimachineryruntime.NewScheme()
-	err = examplecomv1alpha1.AddToScheme(scheme)
-	Expect(err).NotTo(HaveOccurred())
-
-	err = admissionv1.AddToScheme(scheme)
+	err = examplecomv1alpha1.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())
 
 	// +kubebuilder:scaffold:scheme
@@ -96,14 +91,14 @@ var _ = BeforeSuite(func() {
 	Expect(err).NotTo(HaveOccurred())
 	Expect(cfg).NotTo(BeNil())
 
-	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
+	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
 	Expect(err).NotTo(HaveOccurred())
 	Expect(k8sClient).NotTo(BeNil())
 
 	// start webhook server using Manager.
 	webhookInstallOptions := &testEnv.WebhookInstallOptions
 	mgr, err := ctrl.NewManager(cfg, ctrl.Options{
-		Scheme: scheme,
+		Scheme: scheme.Scheme,
 		WebhookServer: webhook.NewServer(webhook.Options{
 			Host:    webhookInstallOptions.LocalServingHost,
 			Port:    webhookInstallOptions.LocalServingPort,
diff --git a/testdata/project-v4/internal/webhook/v1/webhook_suite_test.go b/testdata/project-v4/internal/webhook/v1/webhook_suite_test.go
index 0eb9fee6c72..0294d8117c6 100644
--- a/testdata/project-v4/internal/webhook/v1/webhook_suite_test.go
+++ b/testdata/project-v4/internal/webhook/v1/webhook_suite_test.go
@@ -29,8 +29,7 @@ import (
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 
-	admissionv1 "k8s.io/api/admission/v1"
-	apimachineryruntime "k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -67,11 +66,7 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	var err error
-	scheme := apimachineryruntime.NewScheme()
-	err = crewv1.AddToScheme(scheme)
-	Expect(err).NotTo(HaveOccurred())
-
-	err = admissionv1.AddToScheme(scheme)
+	err = crewv1.AddToScheme(scheme.Scheme)
 	Expect(err).NotTo(HaveOccurred())
 
 	// +kubebuilder:scaffold:scheme
@@ -96,14 +91,14 @@ var _ = BeforeSuite(func() {
 	Expect(err).NotTo(HaveOccurred())
 	Expect(cfg).NotTo(BeNil())
 
-	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
+	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
 	Expect(err).NotTo(HaveOccurred())
 	Expect(k8sClient).NotTo(BeNil())
 
 	// start webhook server using Manager.
 	webhookInstallOptions := &testEnv.WebhookInstallOptions
 	mgr, err := ctrl.NewManager(cfg, ctrl.Options{
-		Scheme: scheme,
+		Scheme: scheme.Scheme,
 		WebhookServer: webhook.NewServer(webhook.Options{
 			Host:    webhookInstallOptions.LocalServingHost,
 			Port:    webhookInstallOptions.LocalServingPort,