protected function unsetDeferredVariableStorage()
{
if (true === $this->viewHelperVariableContainer->exists(AbstractMenuViewHelper::class, 'deferredString')) {
$this->viewHelperVariableContainer->remove(AbstractMenuViewHelper::class, 'deferredString');
$this->viewHelperVariableContainer->remove(AbstractMenuViewHelper::class, 'deferredArray');
}
}