diff --git a/src/hb-meta.hh b/src/hb-meta.hh
index 52a6791e3..31aa7fa6f 100644
--- a/src/hb-meta.hh
+++ b/src/hb-meta.hh
@@ -112,8 +112,7 @@ template <typename T> auto _hb_try_add_pointer (hb_priority<1>) -> hb_type_ident
 template <typename T> using hb_add_pointer = decltype (_hb_try_add_pointer<T> (hb_prioritize));
 
 
-/* TODO Add feature-parity to std::decay. */
-template <typename T> using hb_decay = hb_remove_const<hb_remove_reference<T>>;
+template <typename T> using hb_decay = typename std::decay<T>::type;
 
 #define hb_is_convertible(From,To) std::is_convertible<From, To>::value