diff --git a/src/lib/server/ClientProxyUnknown.cpp b/src/lib/server/ClientProxyUnknown.cpp
index 6f129f839..cda785032 100644
--- a/src/lib/server/ClientProxyUnknown.cpp
+++ b/src/lib/server/ClientProxyUnknown.cpp
@@ -10,11 +10,9 @@
 
 #include "base/IEventQueue.h"
 #include "base/Log.h"
-#include "deskflow/AppUtil.h"
 #include "deskflow/DeskflowException.h"
 #include "deskflow/ProtocolTypes.h"
 #include "deskflow/ProtocolUtil.h"
-#include "io/IOException.h"
 #include "io/IStream.h"
 #include "server/ClientProxy1_0.h"
 #include "server/ClientProxy1_1.h"
@@ -27,9 +25,6 @@
 #include "server/ClientProxy1_8.h"
 #include "server/Server.h"
 
-#include <iterator>
-#include <sstream>
-
 //
 // ClientProxyUnknown
 //
diff --git a/src/lib/server/ClientProxyUnknown.h b/src/lib/server/ClientProxyUnknown.h
index b7241b1bb..c952d4ac7 100644
--- a/src/lib/server/ClientProxyUnknown.h
+++ b/src/lib/server/ClientProxyUnknown.h
@@ -8,10 +8,6 @@
 
 #pragma once
 
-#include "base/Event.h"
-#include "base/EventTypes.h"
-#include "deskflow/OptionTypes.h"
-
 #include <string>
 
 class ClientProxy;