diff --git a/api/v1alpha1/ionoscloudmachine_types.go b/api/v1alpha1/ionoscloudmachine_types.go
index dfb5949..3902436 100644
--- a/api/v1alpha1/ionoscloudmachine_types.go
+++ b/api/v1alpha1/ionoscloudmachine_types.go
@@ -59,10 +59,8 @@ type IONOSCloudMachineSpec struct {
 	// +kubebuilder:validation:XValidation:rule="self == oldSelf",message="IP is immutable"
 	IP *string `json:"ip,omitempty"`
 	// +kubebuilder:validation:XValidation:rule="self == oldSelf",message="ProviderID is immutable"
-	ProviderID string `json:"providerID,omitempty"`
-	// +listType=map
-	// +listMapKey=lanRef.name
-	Nics []IONOSNicSpec `json:"nics,omitempty"`
+	ProviderID string         `json:"providerID,omitempty"`
+	Nics       []IONOSNicSpec `json:"nics,omitempty"`
 }
 
 // +kubebuilder:validation:XValidation:rule="!has(oldSelf.sshKeys) || has(self.sshKeys)", message="SSHKeys is required once set"
diff --git a/config/crd/bases/infrastructure.cluster.x-k8s.io_ionoscloudmachines.yaml b/config/crd/bases/infrastructure.cluster.x-k8s.io_ionoscloudmachines.yaml
index 49ee716..de034d5 100644
--- a/config/crd/bases/infrastructure.cluster.x-k8s.io_ionoscloudmachines.yaml
+++ b/config/crd/bases/infrastructure.cluster.x-k8s.io_ionoscloudmachines.yaml
@@ -120,9 +120,6 @@ spec:
                   - lanRef
                   type: object
                 type: array
-                x-kubernetes-list-map-keys:
-                - lanRef.name
-                x-kubernetes-list-type: map
               providerID:
                 type: string
                 x-kubernetes-validations:
diff --git a/config/crd/bases/infrastructure.cluster.x-k8s.io_ionoscloudmachinetemplates.yaml b/config/crd/bases/infrastructure.cluster.x-k8s.io_ionoscloudmachinetemplates.yaml
index 4e5e895..6d54199 100644
--- a/config/crd/bases/infrastructure.cluster.x-k8s.io_ionoscloudmachinetemplates.yaml
+++ b/config/crd/bases/infrastructure.cluster.x-k8s.io_ionoscloudmachinetemplates.yaml
@@ -131,9 +131,6 @@ spec:
                           - lanRef
                           type: object
                         type: array
-                        x-kubernetes-list-map-keys:
-                        - lanRef.name
-                        x-kubernetes-list-type: map
                       providerID:
                         type: string
                         x-kubernetes-validations: