diff --git i/convert.h w/convert.h
index db5ade1..6c5a899 100644
--- i/convert.h
+++ w/convert.h
@@ -11,7 +11,7 @@
 #include <sstream>
 #include <typeinfo>
 #include <locale>
-#if (defined(__GNUC__) || defined(__clang__)) && !defined(_LIBCPP_VERSION)
+#if 0 && (defined(__GNUC__) || defined(__clang__)) && !defined(_LIBCPP_VERSION)
 # include "wstring_convert.h"
 # include "codecvt.h"
 #else