BaseTemplate::delete

public function delete()
{
	$templateList = BitrixIblockInheritedPropertyTable::getList(array(
		"select" => array("ID"),
		"filter" => array(
			"=IBLOCK_ID" => $this->entity->getIblockId(),
			"=ENTITY_TYPE" => $this->entity->getType(),
			"=ENTITY_ID" => $this->entity->getId(),
		),
	));

	while ($row = $templateList->fetch())
	{
		BitrixIblockInheritedPropertyTable::delete($row["ID"]);
	}
}