diff --git a/js/public/TemplateLib.h b/js/public/TemplateLib.h
index ba3171def00..c94e57fdb5b 100644
--- a/js/public/TemplateLib.h
+++ b/js/public/TemplateLib.h
@@ -171,10 +171,6 @@ template <> struct IsPodType<double>                { static const bool result =
 template <> struct IsPodType<wchar_t>               { static const bool result = true; };
 template <typename T> struct IsPodType<T *>         { static const bool result = true; };
 
-/* Return the size/end of an array without using macros. */
-template <class T, size_t N> inline T *ArraySize(T (&)[N]) { return N; }
-template <class T, size_t N> inline T *ArrayEnd(T (&arr)[N]) { return arr + N; }
-
 template <bool cond, typename T, T v1, T v2> struct If        { static const T result = v1; };
 template <typename T, T v1, T v2> struct If<false, T, v1, v2> { static const T result = v2; };