diff --git a/server/gameserver/buff.cc b/server/gameserver/buff.cc
index 7fb7f75f..57311dd5 100644
--- a/server/gameserver/buff.cc
+++ b/server/gameserver/buff.cc
@@ -62,7 +62,6 @@ void Buff::FillMFBuff(cs::MFBuff* buff_pb)
     if (owner->IsHuman() &&
         (meta->i->buff_effect() == kBET_Driver ||
          meta->i->buff_effect() == kBET_Passenger)) {
-        buff_pb->add_params(((Human*)owner)->GetCar()->meta->i->id());
     }
 }