def METHOD_NAME() -> None:
    """
    Delete all module offset calibration files.
    """
    offset_dir = config.get_opentrons_path("module_calibration_dir")
    io._remove_json_files_in_directories(offset_dir)
    # something changed, clear lru cache
    get_module_offset.cache_clear()
    load_all_module_offsets.cache_clear()