diff --git a/libcxx/include/new b/libcxx/include/new
--- a/libcxx/include/new
+++ b/libcxx/include/new
@@ -146,10 +146,6 @@
     const char* what() const _NOEXCEPT override;
 };
 
-typedef void (*new_handler)();
-_LIBCPP_EXPORTED_FROM_ABI new_handler set_new_handler(new_handler) _NOEXCEPT;
-_LIBCPP_EXPORTED_FROM_ABI new_handler get_new_handler() _NOEXCEPT;
-
 #elif defined(_HAS_EXCEPTIONS) && _HAS_EXCEPTIONS == 0 // !_LIBCPP_ABI_VCRUNTIME
 
 // When _HAS_EXCEPTIONS == 0, these complete definitions are needed,
@@ -170,6 +166,10 @@
 };
 #endif // defined(_LIBCPP_ABI_VCRUNTIME) && defined(_HAS_EXCEPTIONS) && _HAS_EXCEPTIONS == 0
 
+typedef void (*new_handler)();
+_LIBCPP_EXPORTED_FROM_ABI new_handler set_new_handler(new_handler) _NOEXCEPT;
+_LIBCPP_EXPORTED_FROM_ABI new_handler get_new_handler() _NOEXCEPT;
+
 _LIBCPP_NORETURN _LIBCPP_EXPORTED_FROM_ABI void __throw_bad_alloc();  // not in C++ spec
 
 _LIBCPP_NORETURN inline _LIBCPP_INLINE_VISIBILITY
diff --git a/libcxx/src/new_handler.cpp b/libcxx/src/new_handler.cpp
--- a/libcxx/src/new_handler.cpp
+++ b/libcxx/src/new_handler.cpp
@@ -11,9 +11,7 @@
 #include "include/atomic_support.h"
 
 #if defined(_LIBCPP_ABI_MICROSOFT)
-#  if !defined(_LIBCPP_ABI_VCRUNTIME)
-#    define _LIBPCPP_DEFINE_NEW_HANDLER
-#  endif
+#  define _LIBPCPP_DEFINE_NEW_HANDLER
 #elif defined(LIBCXX_BUILDING_LIBCXXABI)
 // nothing to do, we use the one from libc++abi
 #elif defined(LIBCXXRT)