diff --git a/server/gameserver/buff.cc b/server/gameserver/buff.cc
index 871dc65..08594b8 100644
--- a/server/gameserver/buff.cc
+++ b/server/gameserver/buff.cc
@@ -23,19 +23,3 @@ void Buff::FillMFBuff(cs::MFBuff* buff_pb)
     buff_pb->set_left_time(GetLeftTime());
     buff_pb->set_lasting_time(GetLastingTime());
 }
-
-void Buff::ProcLastBurn(const a8::XParams& param)
-{
-}
-
-void Buff::ProcReleaseDcgr(const a8::XParams& param)
-{
-}
-
-void Buff::ProcReleaseFireBomb(const a8::XParams& param)
-{
-}
-
-void Buff::ProcLastRecover(const a8::XParams& param)
-{
-}
diff --git a/server/gameserver/buff.h b/server/gameserver/buff.h
index 68107d8..512fb96 100644
--- a/server/gameserver/buff.h
+++ b/server/gameserver/buff.h
@@ -29,9 +29,4 @@ class Buff
     int GetLeftTime();
     int GetLastingTime();
     void FillMFBuff(cs::MFBuff* buff_pb);
-
-    static void ProcLastBurn(const a8::XParams& param);
-    static void ProcReleaseDcgr(const a8::XParams& param);
-    static void ProcReleaseFireBomb(const a8::XParams& param);
-    static void ProcLastRecover(const a8::XParams& param);
 };