diff --git a/include/boost/type_traits/is_complete.hpp b/include/boost/type_traits/is_complete.hpp
index cad04b3..07cb897 100644
--- a/include/boost/type_traits/is_complete.hpp
+++ b/include/boost/type_traits/is_complete.hpp
@@ -50,7 +50,7 @@ namespace boost {
    }
 
    template <class T> struct is_complete
-      : public integral_constant<bool, ::boost::is_function<typename boost::remove_reference<T>::type>::value || (sizeof(detail::check_is_complete<T>(0)) != sizeof(char))> {};
+      : public integral_constant<bool, ::boost::is_function<typename boost::remove_reference<T>::type>::value || (sizeof(boost::detail::check_is_complete<T>(0)) != sizeof(char))> {};
 
 #elif !defined(BOOST_NO_SFINAE) && !defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS) && !BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40500)
 
diff --git a/include/boost/type_traits/is_constructible.hpp b/include/boost/type_traits/is_constructible.hpp
index da62599..6969cd6 100644
--- a/include/boost/type_traits/is_constructible.hpp
+++ b/include/boost/type_traits/is_constructible.hpp
@@ -51,7 +51,7 @@ namespace boost{
    {
       BOOST_STATIC_ASSERT_MSG(::boost::is_complete<T>::value, "The target type must be complete in order to test for constructibility");
    };
-   template <class T, class Arg> struct is_constructible<T, Arg> : public integral_constant<bool, is_destructible<T>::value && sizeof(detail::is_constructible_imp::test1<T, Arg>(0)) == sizeof(boost::type_traits::yes_type)>
+   template <class T, class Arg> struct is_constructible<T, Arg> : public integral_constant<bool, is_destructible<T>::value && sizeof(boost::detail::is_constructible_imp::test1<T, Arg>(0)) == sizeof(boost::type_traits::yes_type)>
    {
       BOOST_STATIC_ASSERT_MSG(::boost::is_complete<T>::value, "The target type must be complete in order to test for constructibility");
    };
diff --git a/include/boost/type_traits/is_default_constructible.hpp b/include/boost/type_traits/is_default_constructible.hpp
index 9a4a0a7..04c023f 100644
--- a/include/boost/type_traits/is_default_constructible.hpp
+++ b/include/boost/type_traits/is_default_constructible.hpp
@@ -58,7 +58,7 @@ namespace boost{
       BOOST_STATIC_ASSERT_MSG(boost::is_complete<T>::value, "Arguments to is_default_constructible must be complete types");
    };
 #else
-   template <class T> struct is_default_constructible : public integral_constant<bool, sizeof(detail::is_default_constructible_imp::test<T>(0)) == sizeof(boost::type_traits::yes_type)>
+   template <class T> struct is_default_constructible : public integral_constant<bool, sizeof(boost::detail::is_default_constructible_imp::test<T>(0)) == sizeof(boost::type_traits::yes_type)>
    {
       BOOST_STATIC_ASSERT_MSG(boost::is_complete<T>::value, "Arguments to is_default_constructible must be complete types");
    };
diff --git a/include/boost/type_traits/is_destructible.hpp b/include/boost/type_traits/is_destructible.hpp
index cc72fb7..c32e758 100644
--- a/include/boost/type_traits/is_destructible.hpp
+++ b/include/boost/type_traits/is_destructible.hpp
@@ -34,7 +34,7 @@ namespace boost{
 
    }
 
-   template <class T> struct is_destructible : public integral_constant<bool, sizeof(detail::is_destructible_imp::test<T>(0)) == sizeof(boost::type_traits::yes_type)>
+   template <class T> struct is_destructible : public integral_constant<bool, sizeof(boost::detail::is_destructible_imp::test<T>(0)) == sizeof(boost::type_traits::yes_type)>
    {
       BOOST_STATIC_ASSERT_MSG(boost::is_complete<T>::value, "Arguments to is_destructible must be complete types");
    };