diff --git a/include/boost/smart_ptr/atomic_shared_ptr.hpp b/include/boost/smart_ptr/atomic_shared_ptr.hpp
index b185ca4..a4a8745 100644
--- a/include/boost/smart_ptr/atomic_shared_ptr.hpp
+++ b/include/boost/smart_ptr/atomic_shared_ptr.hpp
@@ -57,8 +57,6 @@ private:
 
 public:
 
-#if !defined( BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX ) && !defined( BOOST_NO_CXX11_CONSTEXPR )
-
     constexpr atomic_shared_ptr() BOOST_SP_NOEXCEPT: l_ BOOST_DETAIL_SPINLOCK_INIT
     {
     }
@@ -68,23 +66,6 @@ public:
     {
     }
 
-#else
-
-    atomic_shared_ptr() BOOST_SP_NOEXCEPT
-    {
-        boost::detail::spinlock init = BOOST_DETAIL_SPINLOCK_INIT;
-        std::memcpy( &l_, &init, sizeof( init ) );
-    }
-
-    atomic_shared_ptr( shared_ptr<T> p ) BOOST_SP_NOEXCEPT
-        : p_( std::move( p ) )
-    {
-        boost::detail::spinlock init = BOOST_DETAIL_SPINLOCK_INIT;
-        std::memcpy( &l_, &init, sizeof( init ) );
-    }
-
-#endif
-
     atomic_shared_ptr& operator=( shared_ptr<T> r ) BOOST_SP_NOEXCEPT
     {
         boost::detail::spinlock::scoped_lock lock( l_ );
diff --git a/test/allocate_shared_arrays_test.cpp b/test/allocate_shared_arrays_test.cpp
index a23930c..373586b 100644
--- a/test/allocate_shared_arrays_test.cpp
+++ b/test/allocate_shared_arrays_test.cpp
@@ -5,10 +5,9 @@ Copyright 2012-2015 Glen Joseph Fernandes
 Distributed under the Boost Software License, Version 1.0.
 (http://www.boost.org/LICENSE_1_0.txt)
 */
-#include <boost/config.hpp>
-#if !defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX)
-#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/make_shared.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
 
 template<class T = void>
 struct creator {
@@ -83,9 +82,3 @@ int main()
     }
     return boost::report_errors();
 }
-#else
-int main()
-{
-    return 0;
-}
-#endif
diff --git a/test/atomic_sp_constexpr_test.cpp b/test/atomic_sp_constexpr_test.cpp
index ea373bf..e0d2ed3 100644
--- a/test/atomic_sp_constexpr_test.cpp
+++ b/test/atomic_sp_constexpr_test.cpp
@@ -13,12 +13,7 @@
 #include <boost/config/pragma_message.hpp>
 #include <boost/config/helper_macros.hpp>
 
-#if defined( BOOST_NO_CXX11_CONSTEXPR )
-
-BOOST_PRAGMA_MESSAGE("Skipping test due to BOOST_NO_CXX11_CONSTEXPR")
-int main() {}
-
-#elif BOOST_WORKAROUND( BOOST_MSVC, < 1930 )
+#if BOOST_WORKAROUND( BOOST_MSVC, < 1930 )
 
 // MSVC does not implement static initialization for constexpr constructors
 BOOST_PRAGMA_MESSAGE("Skipping test due to BOOST_MSVC < 1930")
@@ -36,11 +31,6 @@ int main() {}
 BOOST_PRAGMA_MESSAGE("Skipping test due to _LIBCPP_VERSION " BOOST_STRINGIZE(_LIBCPP_VERSION))
 int main() {}
 
-#elif defined( BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX )
-
-BOOST_PRAGMA_MESSAGE("Skipping test due to BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX")
-int main() {}
-
 #else
 
 #include <boost/smart_ptr/atomic_shared_ptr.hpp>
diff --git a/test/make_shared_arrays_test.cpp b/test/make_shared_arrays_test.cpp
index 598b974..e9d183c 100644
--- a/test/make_shared_arrays_test.cpp
+++ b/test/make_shared_arrays_test.cpp
@@ -5,10 +5,9 @@ Copyright 2012-2015 Glen Joseph Fernandes
 Distributed under the Boost Software License, Version 1.0.
 (http://www.boost.org/LICENSE_1_0.txt)
 */
-#include <boost/config.hpp>
-#if !defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX)
-#include <boost/core/lightweight_test.hpp>
 #include <boost/smart_ptr/make_shared.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
 
 int main()
 {
@@ -46,9 +45,3 @@ int main()
     }
     return boost::report_errors();
 }
-#else
-int main()
-{
-    return 0;
-}
-#endif
diff --git a/test/make_unique_value_test.cpp b/test/make_unique_value_test.cpp
index b71ae23..9acfd5f 100644
--- a/test/make_unique_value_test.cpp
+++ b/test/make_unique_value_test.cpp
@@ -29,7 +29,6 @@ int main()
         BOOST_TEST(result->x == 0);
         BOOST_TEST(result->y == 0);
     }
-#if !defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX)
     {
         std::unique_ptr<type> result =
             boost::make_unique<type>({ 1, 2 });
@@ -44,6 +43,6 @@ int main()
         BOOST_TEST(result->x == 1);
         BOOST_TEST(result->y == 2);
     }
-#endif
+
     return boost::report_errors();
 }