diff --git a/api/v1alpha1/ext_proc_types.go b/api/v1alpha1/ext_proc_types.go
index 0a0d705f86c..a65bbeb24ea 100644
--- a/api/v1alpha1/ext_proc_types.go
+++ b/api/v1alpha1/ext_proc_types.go
@@ -82,9 +82,6 @@ type ExtProcMetadataOptions struct {
 	ReceivingNamespaces *MetadataNamespaces `json:"receivingNamespaces,omitempty"`
 }
 
-// +kubebuilder:validation:XValidation:rule="has(self.backendRef) ? (!has(self.backendRef.group) || self.backendRef.group == \"\") : true", message="group is invalid, only the core API group (specified by omitting the group field or setting it to an empty string) is supported"
-// +kubebuilder:validation:XValidation:rule="has(self.backendRef) ? (!has(self.backendRef.kind) || self.backendRef.kind == 'Service') : true", message="kind is invalid, only Service (specified by omitting the kind field or setting it to 'Service') is supported"
-//
 // ExtProc defines the configuration for External Processing filter.
 type ExtProc struct {
 	// BackendRefs defines the configuration of the external processing service
diff --git a/charts/gateway-helm/crds/generated/gateway.envoyproxy.io_envoyextensionpolicies.yaml b/charts/gateway-helm/crds/generated/gateway.envoyproxy.io_envoyextensionpolicies.yaml
index 356ba48bd95..5d1e1eef384 100644
--- a/charts/gateway-helm/crds/generated/gateway.envoyproxy.io_envoyextensionpolicies.yaml
+++ b/charts/gateway-helm/crds/generated/gateway.envoyproxy.io_envoyextensionpolicies.yaml
@@ -233,16 +233,6 @@ spec:
                   required:
                   - backendRefs
                   type: object
-                  x-kubernetes-validations:
-                  - message: group is invalid, only the core API group (specified
-                      by omitting the group field or setting it to an empty string)
-                      is supported
-                    rule: 'has(self.backendRef) ? (!has(self.backendRef.group) ||
-                      self.backendRef.group == "") : true'
-                  - message: kind is invalid, only Service (specified by omitting
-                      the kind field or setting it to 'Service') is supported
-                    rule: 'has(self.backendRef) ? (!has(self.backendRef.kind) || self.backendRef.kind
-                      == ''Service'') : true'
                 type: array
               targetRef:
                 description: |-