diff --git a/types.hpp b/types.hpp
index fcfb027c..8ee37f06 100644
--- a/types.hpp
+++ b/types.hpp
@@ -32,13 +32,6 @@ constexpr size_t elems(const T (&)[N])
     { return N; }
 
 
-template <class T, class...Args>
-std::unique_ptr<T>
-make_unique(Args&&... args) {
-    return std::unique_ptr<T> (new T(std::forward<Args>(args)...));
-}
-
-
 //-----------------------------------------------------------------------------
 template <class T>
 T