def remove_route(self, uri, clean_cache=True, host=None):
        """
        This method provides the app user a mechanism by which an already
        existing route can be removed from the :class:`Sanic` object

        :param uri: URL Path to be removed from the app
        :param clean_cache: Instruct sanic if it needs to clean up the LRU
            route cache
        :param host: IP address or FQDN specific to the host
        :return: None
        """
        self.router.remove(uri, clean_cache, host)