diff --git a/include/boost/thread/synchronized_value.hpp b/include/boost/thread/synchronized_value.hpp
index 33ef5e122..4e48a853d 100644
--- a/include/boost/thread/synchronized_value.hpp
+++ b/include/boost/thread/synchronized_value.hpp
@@ -18,7 +18,7 @@
 #include <boost/thread/lock_factories.hpp>
 #include <boost/thread/strict_lock.hpp>
 #include <boost/core/invoke_swap.hpp>
-#include <boost/utility/declval.hpp>
+#include <boost/type_traits/declval.hpp>
 //#include <boost/type_traits.hpp>
 //#include <boost/thread/detail/is_nothrow_default_constructible.hpp>
 //#if ! defined BOOST_NO_CXX11_HDR_TYPE_TRAITS