public function saveCleanedUpFieldArray(array $changedFieldArray)
    {
        unset($changedFieldArray['pi_flexform']);
        if (isset($changedFieldArray['tx_gridelements_backend_layout']) && $this->getTable() === 'tt_content'
            || isset($changedFieldArray['backend_layout']) && $this->getTable() === 'pages'
            || isset($changedFieldArray['backend_layout_next_level']) && $this->getTable() === 'pages'
        ) {
            $this->setUnusedElements($changedFieldArray);
        }
    }