diff --git a/api/v1alpha1/ionoscloudmachine_types.go b/api/v1alpha1/ionoscloudmachine_types.go
index 892ab6a..a8d2631 100644
--- a/api/v1alpha1/ionoscloudmachine_types.go
+++ b/api/v1alpha1/ionoscloudmachine_types.go
@@ -50,7 +50,6 @@ type IONOSCloudMachineSpec struct {
 	// The memory size for the enterprise server in MB, such as 2048.
 	// +kubebuilder:validation:Minimum=256
 	// +kubebuilder:validation:MultipleOf=256
-	// +kubebuilder:validation:XValidation:rule="self == oldSelf",message="Ram is immutable"
 	Ram        *int32          `json:"ram"`
 	BootVolume IONOSVolumeSpec `json:"bootVolume"`
 
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 7894909..0a780a5 100644
--- a/config/crd/bases/infrastructure.cluster.x-k8s.io_ionoscloudmachines.yaml
+++ b/config/crd/bases/infrastructure.cluster.x-k8s.io_ionoscloudmachines.yaml
@@ -134,9 +134,6 @@ spec:
                 minimum: 256
                 multipleOf: 256
                 type: integer
-                x-kubernetes-validations:
-                - message: Ram is immutable
-                  rule: self == oldSelf
             required:
             - bootVolume
             - cores
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 b125033..75b49ab 100644
--- a/config/crd/bases/infrastructure.cluster.x-k8s.io_ionoscloudmachinetemplates.yaml
+++ b/config/crd/bases/infrastructure.cluster.x-k8s.io_ionoscloudmachinetemplates.yaml
@@ -135,9 +135,6 @@ spec:
                         minimum: 256
                         multipleOf: 256
                         type: integer
-                        x-kubernetes-validations:
-                        - message: Ram is immutable
-                          rule: self == oldSelf
                     required:
                     - bootVolume
                     - cores