diff --git a/cmd/gardener-extension-provider-openstack/app/app.go b/cmd/gardener-extension-provider-openstack/app/app.go
index a19c0c87a..4a5e71433 100644
--- a/cmd/gardener-extension-provider-openstack/app/app.go
+++ b/cmd/gardener-extension-provider-openstack/app/app.go
@@ -112,9 +112,8 @@ func NewControllerManagerCommand(ctx context.Context) *cobra.Command {
 			Namespace: os.Getenv("WEBHOOK_CONFIG_NAMESPACE"),
 		}
 
-		gardenerVersion    = new(string)
 		controllerSwitches = openstackcmd.ControllerSwitchOptions()
-		webhookSwitches    = openstackcmd.WebhookSwitchOptions(gardenerVersion)
+		webhookSwitches    = openstackcmd.WebhookSwitchOptions()
 		webhookOptions     = webhookcmd.NewAddToManagerOptions(
 			openstack.Name,
 			genericactuator.ShootWebhooksResourceName,
@@ -190,12 +189,8 @@ func NewControllerManagerCommand(ctx context.Context) *cobra.Command {
 			if err := mgr.Add(gardenCluster); err != nil {
 				return fmt.Errorf("failed adding garden cluster to manager: %w", err)
 			}
-			if err != nil {
-				return err
-			}
-			log.Info("Adding controllers to manager")
-			*gardenerVersion = generalOpts.Completed().GardenerVersion
 
+			log.Info("Adding controllers to manager")
 			configFileOpts.Completed().ApplyETCDStorage(&openstackcontrolplaneexposure.DefaultAddOptions.ETCDStorage)
 			configFileOpts.Completed().ApplyHealthCheckConfig(&healthcheck.DefaultAddOptions.HealthCheckConfig)
 			configFileOpts.Completed().ApplyBastionConfig(&openstackbastion.DefaultAddOptions.BastionConfig)
diff --git a/pkg/cmd/options.go b/pkg/cmd/options.go
index 061a7d807..098f72959 100644
--- a/pkg/cmd/options.go
+++ b/pkg/cmd/options.go
@@ -49,9 +49,9 @@ func ControllerSwitchOptions() *controllercmd.SwitchOptions {
 }
 
 // WebhookSwitchOptions are the webhookcmd.SwitchOptions for the provider webhooks.
-func WebhookSwitchOptions(gardenerVersion *string) *webhookcmd.SwitchOptions {
+func WebhookSwitchOptions() *webhookcmd.SwitchOptions {
 	return webhookcmd.NewSwitchOptions(
-		webhookcmd.Switch(extensioncontrolplanewebhook.WebhookName, controlplanewebhook.AddToManager(gardenerVersion)),
+		webhookcmd.Switch(extensioncontrolplanewebhook.WebhookName, controlplanewebhook.AddToManager),
 		webhookcmd.Switch(extensioncontrolplanewebhook.ExposureWebhookName, controlplaneexposurewebhook.AddToManager),
 		webhookcmd.Switch(extensionscloudproviderwebhook.WebhookName, cloudproviderwebhook.AddToManager),
 		webhookcmd.Switch(infrastructurewebhook.WebhookName, infrastructurewebhook.AddToManager),
diff --git a/pkg/webhook/controlplane/add.go b/pkg/webhook/controlplane/add.go
index a5e9a7945..63beaca48 100644
--- a/pkg/webhook/controlplane/add.go
+++ b/pkg/webhook/controlplane/add.go
@@ -5,9 +5,6 @@
 package controlplane
 
 import (
-	"fmt"
-
-	"github.com/Masterminds/semver/v3"
 	extensionswebhook "github.com/gardener/gardener/extensions/pkg/webhook"
 	"github.com/gardener/gardener/extensions/pkg/webhook/controlplane"
 	"github.com/gardener/gardener/extensions/pkg/webhook/controlplane/genericmutator"
@@ -17,7 +14,6 @@ import (
 	oscutils "github.com/gardener/gardener/pkg/component/extensions/operatingsystemconfig/utils"
 	appsv1 "k8s.io/api/apps/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
 	vpaautoscalingv1 "k8s.io/autoscaler/vertical-pod-autoscaler/pkg/apis/autoscaling.k8s.io/v1"
 	"sigs.k8s.io/controller-runtime/pkg/log"
 	"sigs.k8s.io/controller-runtime/pkg/manager"
@@ -27,43 +23,22 @@ import (
 
 var (
 	logger = log.Log.WithName("openstack-controlplane-webhook")
-	// TODO(LucaBernstein): Clean up the gardener version check after October/2024.
-	versionConstraintGreaterEqual198 *semver.Constraints
 )
 
-func init() {
-	var err error
-	versionConstraintGreaterEqual198, err = semver.NewConstraint(">= 1.98")
-	utilruntime.Must(err)
-}
-
 // AddToManager creates a webhook and adds it to the manager.
-func AddToManager(gardenerVersion *string) func(mgr manager.Manager) (*extensionswebhook.Webhook, error) {
-	return func(mgr manager.Manager) (*extensionswebhook.Webhook, error) {
-		var objectSelector *metav1.LabelSelector
-		if gardenerVersion != nil && len(*gardenerVersion) > 0 {
-			version, err := semver.NewVersion(*gardenerVersion)
-			if err != nil {
-				return nil, fmt.Errorf("failed to parse gardener version: %v", err)
-			}
-			if versionConstraintGreaterEqual198.Check(version) {
-				objectSelector = &metav1.LabelSelector{MatchLabels: map[string]string{v1beta1constants.LabelExtensionProviderMutatedByControlplaneWebhook: "true"}}
-			}
-		}
-
-		logger.Info("Adding webhook to manager")
-		fciCodec := oscutils.NewFileContentInlineCodec()
-		return controlplane.New(mgr, controlplane.Args{
-			Kind:     controlplane.KindShoot,
-			Provider: openstack.Type,
-			Types: []extensionswebhook.Type{
-				{Obj: &appsv1.Deployment{}},
-				{Obj: &vpaautoscalingv1.VerticalPodAutoscaler{}},
-				{Obj: &extensionsv1alpha1.OperatingSystemConfig{}},
-			},
-			ObjectSelector: objectSelector,
-			Mutator: genericmutator.NewMutator(mgr, NewEnsurer(logger), oscutils.NewUnitSerializer(),
-				kubelet.NewConfigCodec(fciCodec), fciCodec, logger),
-		})
-	}
+func AddToManager(mgr manager.Manager) (*extensionswebhook.Webhook, error) {
+	logger.Info("Adding webhook to manager")
+	fciCodec := oscutils.NewFileContentInlineCodec()
+	return controlplane.New(mgr, controlplane.Args{
+		Kind:     controlplane.KindShoot,
+		Provider: openstack.Type,
+		Types: []extensionswebhook.Type{
+			{Obj: &appsv1.Deployment{}},
+			{Obj: &vpaautoscalingv1.VerticalPodAutoscaler{}},
+			{Obj: &extensionsv1alpha1.OperatingSystemConfig{}},
+		},
+		ObjectSelector: &metav1.LabelSelector{MatchLabels: map[string]string{v1beta1constants.LabelExtensionProviderMutatedByControlplaneWebhook: "true"}},
+		Mutator: genericmutator.NewMutator(mgr, NewEnsurer(logger), oscutils.NewUnitSerializer(),
+			kubelet.NewConfigCodec(fciCodec), fciCodec, logger),
+	})
 }