diff --git a/libstdc++/include/new b/libstdc++/include/new
index 559308b..19d8185 100644
--- a/libstdc++/include/new
+++ b/libstdc++/include/new
@@ -1,11 +1,10 @@
+/* -*- c++ -*- */
 #ifndef __NEW__
 #define __NEW__
 
-#include <stddef.h>
+#include <cstddef>
 
 namespace std {
-    using ::size_t;
-
     struct nothrow_t {};
     extern const nothrow_t nothrow;
 }