diff --git a/Mesh_3/demo/Mesh_3/StdAfx.h b/Mesh_3/demo/Mesh_3/StdAfx.h
index d2530f9adbb..0ee45a6a237 100644
--- a/Mesh_3/demo/Mesh_3/StdAfx.h
+++ b/Mesh_3/demo/Mesh_3/StdAfx.h
@@ -79,7 +79,6 @@
 //#include <boost/parameter/parameters.hpp>
 //#include <boost/parameter/preprocessor.hpp>
 //#include <boost/parameter/value_type.hpp>
-#include <boost/pending/cstddef.hpp>
 #include <boost/preprocessor/arithmetic/dec.hpp>
 #include <boost/preprocessor/arithmetic/inc.hpp>
 #include <boost/preprocessor/arithmetic/sub.hpp>