diff --git a/js.rc b/js.rc
index 9e71b117f..be9e1b76b 100644
--- a/js.rc
+++ b/js.rc
@@ -138,66 +138,3 @@ pub unsafe fn JS_THIS_OBJECT(cx: *JSContext, vp: *mut JSVal) -> *JSObject {
 pub unsafe fn JS_CALLEE(_cx: *JSContext, vp: *JSVal) -> JSVal {
     *vp
 }
-
-// This is a duplication of the shadow stuff from jsfriendapi.h.  Here
-// there be dragons!
-mod shadow {
-    use std::cast;
-    use std::libc;
-    use jsapi::{JSObject, JSClass, jsid};
-    use jsval::JSVal;
-
-    struct TypeObject {
-        proto: *JSObject
-    }
-
-    struct BaseShape {
-        clasp: *JSClass,
-        parent: *JSObject
-    }
-
-    struct Shape {
-        base: *BaseShape,
-        _1: jsid,
-        slotInfo: u32
-    }
-    static FIXED_SLOTS_SHIFT: u32 = 27;
-
-    pub struct Object {
-        shape: *Shape,
-        objType: *TypeObject,
-        slots: *JSVal,
-        _1: *JSVal,
-    }
-
-    impl Object {
-        #[inline(always)]
-        pub fn numFixedSlots(&self) -> libc::size_t {
-            unsafe { ((*self.shape).slotInfo >> FIXED_SLOTS_SHIFT) as libc::size_t }
-        }
-        
-        #[inline(always)]
-        pub unsafe fn fixedSlots(&self) -> *JSVal {
-            let x: *JSVal = cast::transmute(&self);
-            (x.offset(1)) as *JSVal
-        }
-
-        // Like slotRef, but just returns the value, not a reference
-        #[inline(always)]
-        pub fn slotVal(&self, slot: libc::size_t) -> JSVal {
-            unsafe {
-                let nfixed : libc::size_t = self.numFixedSlots();
-                if slot < nfixed {
-                    return *self.fixedSlots().offset(slot as int)
-                }
-                return *self.slots.offset((slot - nfixed) as int)
-            }
-        }
-    }
-}
-
-#[inline(always)]
-pub unsafe fn GetReservedSlot(obj: *JSObject, slot: libc::size_t) -> JSVal {
-    let s = obj as *shadow::Object;
-    return (*s).slotVal(slot)
-}