diff --git a/include/boost/smart_ptr/make_shared.hpp b/include/boost/smart_ptr/make_shared.hpp
index d477188..a01cec6 100644
--- a/include/boost/smart_ptr/make_shared.hpp
+++ b/include/boost/smart_ptr/make_shared.hpp
@@ -87,10 +87,12 @@ public:
 };
 
 #if defined( BOOST_HAS_RVALUE_REFS )
-template< class T > T&& forward( T &&t )
+
+template< class T > T&& sp_forward( T & t )
 {
-    return t;
+    return static_cast< T&& >( t );
 }
+
 #endif
 
 } // namespace detail
@@ -101,9 +103,9 @@ template< class T > T&& forward( T &&t )
 
 template< class T > boost::shared_ptr< T > make_shared()
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -118,9 +120,9 @@ template< class T > boost::shared_ptr< T > make_shared()
 
 template< class T, class A > boost::shared_ptr< T > allocate_shared( A const & a )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -139,13 +141,13 @@ template< class T, class A > boost::shared_ptr< T > allocate_shared( A const & a
 
 template< class T, class... Args > boost::shared_ptr< T > make_shared( Args && ... args )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
-    ::new( pv ) T( detail::forward<Args>( args )... );
+    ::new( pv ) T( boost::detail::sp_forward<Args>( args )... );
     pd->set_initialized();
 
     T * pt2 = static_cast< T* >( pv );
@@ -156,13 +158,13 @@ template< class T, class... Args > boost::shared_ptr< T > make_shared( Args && .
 
 template< class T, class A, class... Args > boost::shared_ptr< T > allocate_shared( A const & a, Args && ... args )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
-    ::new( pv ) T( detail::forward<Args>( args )... );
+    ::new( pv ) T( boost::detail::sp_forward<Args>( args )... );
     pd->set_initialized();
 
     T * pt2 = static_cast< T* >( pv );
@@ -178,9 +180,9 @@ template< class T, class A, class... Args > boost::shared_ptr< T > allocate_shar
 template< class T, class A1 >
 boost::shared_ptr< T > make_shared( A1 const & a1 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -196,9 +198,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1 )
 template< class T, class A, class A1 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -214,9 +216,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1 )
 template< class T, class A1, class A2 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -232,9 +234,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2 )
 template< class T, class A, class A1, class A2 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -250,9 +252,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a
 template< class T, class A1, class A2, class A3 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -268,9 +270,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3
 template< class T, class A, class A1, class A2, class A3 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2, A3 const & a3 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -286,9 +288,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a
 template< class T, class A1, class A2, class A3, class A4 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -304,9 +306,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3,
 template< class T, class A, class A1, class A2, class A3, class A4 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -322,9 +324,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a
 template< class T, class A1, class A2, class A3, class A4, class A5 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -340,9 +342,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3,
 template< class T, class A, class A1, class A2, class A3, class A4, class A5 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -358,9 +360,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a
 template< class T, class A1, class A2, class A3, class A4, class A5, class A6 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -376,9 +378,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3,
 template< class T, class A, class A1, class A2, class A3, class A4, class A5, class A6 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -394,9 +396,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a
 template< class T, class A1, class A2, class A3, class A4, class A5, class A6, class A7 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6, A7 const & a7 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -412,9 +414,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3,
 template< class T, class A, class A1, class A2, class A3, class A4, class A5, class A6, class A7 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6, A7 const & a7 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -430,9 +432,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a
 template< class T, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6, A7 const & a7, A8 const & a8 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -448,9 +450,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3,
 template< class T, class A, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6, A7 const & a7, A8 const & a8 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -466,9 +468,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a
 template< class T, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6, A7 const & a7, A8 const & a8, A9 const & a9 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -484,9 +486,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3,
 template< class T, class A, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6, A7 const & a7, A8 const & a8, A9 const & a9 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
diff --git a/test/make_shared_perfect_forwarding_test.cpp b/test/make_shared_perfect_forwarding_test.cpp
index 45a111c..ed7ee3b 100644
--- a/test/make_shared_perfect_forwarding_test.cpp
+++ b/test/make_shared_perfect_forwarding_test.cpp
@@ -12,14 +12,14 @@
 #include <boost/make_shared.hpp>
 #include <boost/shared_ptr.hpp>
 
-#ifndef BOOST_HAS_RVALUE_REFS
+#if !defined( BOOST_HAS_RVALUE_REFS ) || !defined( BOOST_HAS_VARIADIC_TMPL )
 
 int main()
 {
     return 0;
 }
 
-#else // BOOST_HAS_RVALUE_REFS
+#else // BOOST_HAS_RVALUE_REFS, BOOST_HAS_VARIADIC_TMPL
 
 class myarg
 {
diff --git a/test/weak_ptr_test.cpp b/test/weak_ptr_test.cpp
index 7213794..a4ad766 100644
--- a/test/weak_ptr_test.cpp
+++ b/test/weak_ptr_test.cpp
@@ -914,7 +914,6 @@ void test()
         BOOST_TEST(wp2.use_count() == 0);
         BOOST_TEST(!(wp < wp3 || wp3 < wp));
 
-        using std::swap;
         swap(wp, wp2);
 
         BOOST_TEST(wp.use_count() == 0);
@@ -950,7 +949,6 @@ void test()
         BOOST_TEST(wp2.use_count() == 0);
         BOOST_TEST(!(wp < wp3 || wp3 < wp));
 
-        using std::swap;
         swap(wp, wp2);
 
         BOOST_TEST(wp.use_count() == 0);
@@ -965,7 +963,6 @@ void test()
         BOOST_TEST(wp2.use_count() == 0);
         BOOST_TEST(!(wp < wp3 || wp3 < wp));
 
-        using std::swap;
         swap(wp, wp2);
 
         BOOST_TEST(wp.use_count() == 0);