,
      <%= indentation %><%= attribute_name %>_attributes: [:_destroy, :id, <%= permissible %><%= recurse %>]

,
      <%= indentation %><%= defined?(ActiveRecord::ATTRIBUTES_REMOVED) ? attribute_name.pluralize : "#{attribute_name}_attributes"  %>: [:_destroy, :id, <%= permissible %><%= recurse %>]

Make shift fix to not use _attributes
Make shift fix to not use _attributes
