protected function removeUserData($connectionMask, array $channels, $nick)
    {
        $logger = $this->getLogger();
        foreach ($channels as $channel) {
            $logger->debug('Removing user mode data', array(
                'connectionMask' => $connectionMask,
                'channel' => $channel,
                'nick' => $nick,
            ));
            unset($this->modes[$connectionMask][$channel][$nick]);
        }
    }