def remove_prefix(prefix: str, field: str) -> str:
    """
    Remove the prefix from given field.

    :type prefix: ``str``
    :param prefix: Prefix which will be removed from field.

    :type field: ``str``
    :param field: String from which prefix will be removed.

    :return: Field after removing prefix from it.
    :rtype: ``str``
    """
    prefix = prefix.upper()
    field_prefix = field[:2]
    field_prefix = field_prefix.upper()
    if field_prefix == prefix:
        field = field[2:]
    return field