diff --git a/server/gameserver/pbutils.cc b/server/gameserver/pbutils.cc
index e2ed9013..31d6d91c 100644
--- a/server/gameserver/pbutils.cc
+++ b/server/gameserver/pbutils.cc
@@ -412,10 +412,10 @@ void Skill::FillMFSkill(cs::MFSkill* skill_pb)
     }
 }
 
-void PBUtils::Skin_ToPB(Skin* self, cs::MFSkin* pb_obj)
+void Skin::ToPB(cs::MFSkin* pb_obj)
 {
-    pb_obj->set_skin_id(self->skin_id);
-    pb_obj->set_skin_lv(self->skin_lv);
+    pb_obj->set_skin_id(skin_id);
+    pb_obj->set_skin_lv(skin_lv);
 }
 
 void PBUtils::Human_SendSMPvePassWave(Human* self, int new_wave, int pve_max_wave, int wait_time)
diff --git a/server/gameserver/skin.cc b/server/gameserver/skin.cc
index 940ef6d8..5c146088 100644
--- a/server/gameserver/skin.cc
+++ b/server/gameserver/skin.cc
@@ -2,8 +2,3 @@
 
 #include "skin.h"
 #include "pbutils.h"
-
-void Skin::ToPB(cs::MFSkin* pb_obj)
-{
-    PBUtils::Skin_ToPB(this, pb_obj);
-}