/**
* Delete current usage
*
* @return Mage_Adminhtml_Model_Email_Template
*/
protected function _afterDelete()
{
$paths = $this->getSystemConfigPathsWhereUsedCurrently();
foreach ($paths as $path) {
$configDataCollection = Mage::getModel('core/config_data')->getCollection()->addFieldToFilter('scope', $path['scope'])->addFieldToFilter('scope_id', $path['scope_id'])->addFieldToFilter('path', $path['path']);
foreach ($configDataCollection as $configItem) {
$configItem->delete();
}
}
return parent::_afterDelete();
}