diff --git a/server/gameserver/types.h b/server/gameserver/types.h
index b98f2bd1..a42db00e 100644
--- a/server/gameserver/types.h
+++ b/server/gameserver/types.h
@@ -103,9 +103,3 @@ typedef std::weak_ptr<struct AttrRuduce> AttrRuduceHandle;
 typedef std::weak_ptr<struct AttrAbs> AttrAbsHandle;
 typedef std::weak_ptr<struct AttrRate> AttrRateHandle;
 typedef std::weak_ptr<struct AttrDirect> AttrDirectHandle;
-
-namespace a8
-{
-    class Args;
-    typedef std::function<void(const a8::Args*)> CommonCbProcEx;
-}