diff --git a/js/public/Utility.h b/js/public/Utility.h
index 0bfb58a6246..e57bd7f6fc6 100644
--- a/js/public/Utility.h
+++ b/js/public/Utility.h
@@ -709,6 +709,15 @@ class ReentrancyGuard
     }
 };
 
+template <class T>
+JS_ALWAYS_INLINE static void
+Swap(T &t, T &u)
+{
+    T tmp(Move(t));
+    t = Move(u);
+    u = Move(tmp);
+}
+
 /*
  * Round x up to the nearest power of 2.  This function assumes that the most
  * significant bit of x is not set, which would lead to overflow.
diff --git a/js/src/jsutil.h b/js/src/jsutil.h
index 7285de08f6f..3cbd306cb84 100644
--- a/js/src/jsutil.h
+++ b/js/src/jsutil.h
@@ -257,15 +257,6 @@ PodEqual(T *one, T *two, size_t len)
     return !memcmp(one, two, len * sizeof(T));
 }
 
-template <class T>
-JS_ALWAYS_INLINE static void
-Swap(T &t, T &u)
-{
-    T tmp(Move(t));
-    t = Move(u);
-    u = Move(tmp);
-}
-
 template <typename T>
 static inline bool
 IsPowerOfTwo(T t)