diff --git a/test/ignore_unused_test.cpp b/test/ignore_unused_test.cpp
index da7e043..4c81aaf 100644
--- a/test/ignore_unused_test.cpp
+++ b/test/ignore_unused_test.cpp
@@ -4,8 +4,7 @@
 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt)
 
-//#include <boost/utility/ignore_unused.hpp>
-#include <boost/utility.hpp>
+#include <boost/core/ignore_unused.hpp>
 
 int main()
 {