diff --git a/bezier.cpp b/bezier.cpp
index 2a60ec24..215a94b4 100644
--- a/bezier.cpp
+++ b/bezier.cpp
@@ -440,8 +440,8 @@ util::operator<< (std::ostream &os, const bezier<S> &b)
     os << "[";
     std::transform (std::cbegin (b),
                     std::cend   (b),
-                    infix_iterator<stream::numeric<value_type>> (os, ", "),
-                    stream::to_numeric<value_type>);
+                    infix_iterator<value_type> (os, ", "),
+                    [] (auto i) { return +i; });
     os << "]";
 
     return os;
diff --git a/coord/iostream.hpp b/coord/iostream.hpp
index 3b6386fb..c95b0d7f 100644
--- a/coord/iostream.hpp
+++ b/coord/iostream.hpp
@@ -18,7 +18,6 @@
 #define __UTIL_IOSTREAM
 
 #include "../iterator.hpp"
-#include "../stream.hpp"
 
 #include <ostream>
 #include <algorithm>
@@ -35,10 +34,8 @@ namespace util {
         os << "[";
         std::transform (std::cbegin (k),
                         std::cend   (k),
-                        infix_iterator<
-                            stream::numeric<T>
-                        > (os, ", "),
-                        stream::to_numeric<T>);
+                        infix_iterator<T> (os, ", "),
+                        [] (auto i) { return +i; });
         os << "]";
 
         return os;
diff --git a/stream.hpp b/stream.hpp
index 2b2e306e..3f8ccfbf 100644
--- a/stream.hpp
+++ b/stream.hpp
@@ -18,37 +18,9 @@
 #define __UTIL_STREAM_HPP
 
 #include <iostream>
-#include "types/bits.hpp"
 
 namespace util {
     namespace stream {
-        ///////////////////////////////////////////////////////////////////////
-        template <typename T>
-        struct numeric
-        {
-            explicit numeric (T _val): val (_val) { ; }
-            T val;
-        };
-
-
-        //---------------------------------------------------------------------
-        template <typename T>
-        numeric<T>
-        to_numeric (const T &t)
-        {
-            return numeric<T> (t);
-        }
-
-
-        //---------------------------------------------------------------------
-        template <typename T>
-        std::ostream&
-        operator<< (std::ostream &os, numeric<T> n)
-        {
-            return os << +n.val;
-        }
-
-
         ///////////////////////////////////////////////////////////////////////
         class null_streambuf : public std::basic_streambuf<char> {
         public: