diff --git a/src/net/common/clientstate.cpp b/src/net/common/clientstate.cpp
index 4a3c8def..8bc60bc4 100644
--- a/src/net/common/clientstate.cpp
+++ b/src/net/common/clientstate.cpp
@@ -36,7 +36,6 @@
 #include <playerinterface.h>
 
 #include <tinyxml.h>
-#include "zlib.h"
 #include <boost/bind.hpp>
 #include <boost/iostreams/filtering_streambuf.hpp>
 #include <boost/iostreams/copy.hpp>