public void dispelDebuff(MapleDisease debuff) {
        if (hasDisease(debuff)) {
            long mask = debuff.getValue();
            client.getSession().write(MaplePacketCreator.cancelDebuff(mask));
            map.broadcastMessage(this, MaplePacketCreator.cancelForeignDebuff(id, mask), false);

            diseases.remove(debuff);
        }
    }