def METHOD_NAME(self, unused_matrices: Set[str]) -> None:
    """Delete all files with the name in unused_matrices"""
    logger.info("Deleting unused saved matrices:")
    for unused_matrix_id in unused_matrices:
        logger.info(f"Matrix {unused_matrix_id} is set to be deleted")
        if not self.dry_run:
            logger.info(f"Deleting {unused_matrix_id}")
            self.matrix_service.delete(unused_matrix_id)