diff --git a/components/script/dom/bindings/js.rs b/components/script/dom/bindings/js.rs
index 3b74bd65194..ee2bf53e238 100644
--- a/components/script/dom/bindings/js.rs
+++ b/components/script/dom/bindings/js.rs
@@ -395,12 +395,6 @@ impl<T: Reflectable> LayoutJS<T> {
 }
 
 impl<From> JS<From> {
-    /// Return `self` as a `JS` of another type.
-    //XXXjdm It would be lovely if this could be private.
-    pub unsafe fn transmute<To>(self) -> JS<To> {
-        mem::transmute(self)
-    }
-
     /// Return `self` as a `JS` of another type.
     pub unsafe fn transmute_copy<To>(&self) -> JS<To> {
         mem::transmute_copy(self)