def METHOD_NAME(self, conn, query_signature):
    try:
        self._execute_query(conn, "DEALLOCATE PREPARE dd_{query_signature}".format(query_signature=query_signature))
    except Exception as e:
        logger.warning(
            'Failed to deallocate prepared statement query_signature=[%s] | err=[%s]',
            query_signature,
            e,
        )