@classmethod
def untranslate_store(cls, store, language, fuzzy=False):
    """Remove translations from Translate Toolkit store."""
    store.settargetlanguage(cls.get_language_code(language.code))
    plural = language.plural
    for unit in store.units:
        if unit.istranslatable():
            if hasattr(unit, 'markapproved'):
                unit.markapproved(False)
            else:
                unit.markfuzzy(fuzzy)
            if unit.hasplural():
                unit.target = [''] * plural.number
            else:
                unit.target = ''
