def METHOD_NAME(self, link_type_id: str) -> None:
    """Removes the link_type with *link_type_id* from the project"""
    try:
        lt = self.__items[link_type_id]  # type: LinkType
        lt.METHOD_NAME()
        del self.__items[link_type_id]
        self.conn.commit()
    except IntegrityError as e:
        self.logger.error(f"Failed to remove link_type {link_type_id}. {e.args}")
        raise e
    self.logger.warning(f"Link type {link_type_id} was successfully removed from the project database")