diff --git a/libcxx/include/type_traits b/libcxx/include/type_traits
--- a/libcxx/include/type_traits
+++ b/libcxx/include/type_traits
@@ -4175,13 +4175,4 @@
 
 _LIBCPP_END_NAMESPACE_STD
 
-#if _LIBCPP_STD_VER > 14
-// std::byte
-namespace std  // purposefully not versioned
-{
-
-
-}
-#endif
-
 #endif // _LIBCPP_TYPE_TRAITS