diff --git a/include/boost/type_traits/transform_traits_spec.hpp b/include/boost/type_traits/transform_traits_spec.hpp
index 3d05115..e9fd0cb 100644
--- a/include/boost/type_traits/transform_traits_spec.hpp
+++ b/include/boost/type_traits/transform_traits_spec.hpp
@@ -57,7 +57,11 @@ BOOST_TYPE_TRAITS_SPECIALIZATION_REMOVE_ALL_RANK_2(T const volatile*)         \
 }                                                                             \
 /**/
 
+BOOST_BROKEN_COMPILER_TYPE_TRAITS_SPECIALIZATION(bool)
 BOOST_BROKEN_COMPILER_TYPE_TRAITS_SPECIALIZATION(char)
+#ifndef BOOST_NO_INTRINSIC_WCHAR_T
+BOOST_BROKEN_COMPILER_TYPE_TRAITS_SPECIALIZATION(wchar_t)
+#endif
 BOOST_BROKEN_COMPILER_TYPE_TRAITS_SPECIALIZATION(signed   char)
 BOOST_BROKEN_COMPILER_TYPE_TRAITS_SPECIALIZATION(unsigned char)
 BOOST_BROKEN_COMPILER_TYPE_TRAITS_SPECIALIZATION(signed   short)