def delete_userpass(self, username, mount_point='userpass'):
        """DELETE /auth/<mount point>/users/<username>

        :param username:
        :type username:
        :param mount_point:
        :type mount_point:
        :return:
        :rtype:
        """
        return self._adapter.delete('/v1/auth/{}/users/{}'.format(mount_point, username))