diff --git a/components/plugins/lints/ban.rs b/components/plugins/lints/ban.rs
index bd152dfe313..4a4e71c08cc 100644
--- a/components/plugins/lints/ban.rs
+++ b/components/plugins/lints/ban.rs
@@ -43,5 +43,11 @@ impl EarlyLintPass for BanPass {
             .is_some() {
             cx.span_lint(BANNED_TYPE, ty.span, "Banned type DOMRefCell<JS<T>> detected. Use MutJS<JS<T>> instead")
         }
+        if match_ty_unwrap(ty, &["dom", "bindings", "cell", "DOMRefCell"])
+            .and_then(|t| t.get(0))
+            .and_then(|t| match_ty_unwrap(&**t, &["js", "jsapi", "Heap"]))
+            .is_some() {
+            cx.span_lint(BANNED_TYPE, ty.span, "Banned type DOMRefCell<Heap<T>> detected. Use Heap<T> directly instead")
+        }
     }
 }
diff --git a/components/script/dom/vrpose.rs b/components/script/dom/vrpose.rs
index c292de9758b..96fa0597a3a 100644
--- a/components/script/dom/vrpose.rs
+++ b/components/script/dom/vrpose.rs
@@ -3,7 +3,6 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use core::nonzero::NonZero;
-use dom::bindings::cell::DOMRefCell;
 use dom::bindings::codegen::Bindings::VRPoseBinding;
 use dom::bindings::codegen::Bindings::VRPoseBinding::VRPoseMethods;
 use dom::bindings::js::Root;
@@ -17,19 +16,18 @@ use webvr_traits::webvr;
 #[dom_struct]
 pub struct VRPose {
     reflector_: Reflector,
-    position: DOMRefCell<Heap<*mut JSObject>>,
-    orientation: DOMRefCell<Heap<*mut JSObject>>,
-    linear_vel: DOMRefCell<Heap<*mut JSObject>>,
-    angular_vel: DOMRefCell<Heap<*mut JSObject>>,
-    linear_acc: DOMRefCell<Heap<*mut JSObject>>,
-    angular_acc: DOMRefCell<Heap<*mut JSObject>>
+    position: Heap<*mut JSObject>,
+    orientation: Heap<*mut JSObject>,
+    linear_vel: Heap<*mut JSObject>,
+    angular_vel: Heap<*mut JSObject>,
+    linear_acc: Heap<*mut JSObject>,
+    angular_acc: Heap<*mut JSObject>,
 }
 
 #[allow(unsafe_code)]
 unsafe fn update_or_create_typed_array(cx: *mut JSContext,
                       src: Option<&[f32]>,
-                      dst: &DOMRefCell<Heap<*mut JSObject>>) {
-    let dst = dst.borrow();
+                      dst: &Heap<*mut JSObject>) {
     match src {
         Some(data) => {
             if dst.get().is_null() {
@@ -51,8 +49,8 @@ unsafe fn update_or_create_typed_array(cx: *mut JSContext,
 
 #[inline]
 #[allow(unsafe_code)]
-fn heap_to_option(heap: &DOMRefCell<Heap<*mut JSObject>>) -> Option<NonZero<*mut JSObject>> {
-    let js_object = heap.borrow_mut().get();
+fn heap_to_option(heap: &Heap<*mut JSObject>) -> Option<NonZero<*mut JSObject>> {
+    let js_object = heap.get();
     if js_object.is_null() {
         None
     } else {
@@ -66,12 +64,12 @@ impl VRPose {
     fn new_inherited() -> VRPose {
         VRPose {
             reflector_: Reflector::new(),
-            position: DOMRefCell::new(Heap::default()),
-            orientation: DOMRefCell::new(Heap::default()),
-            linear_vel: DOMRefCell::new(Heap::default()),
-            angular_vel: DOMRefCell::new(Heap::default()),
-            linear_acc: DOMRefCell::new(Heap::default()),
-            angular_acc: DOMRefCell::new(Heap::default())
+            position: Heap::default(),
+            orientation: Heap::default(),
+            linear_vel: Heap::default(),
+            angular_vel: Heap::default(),
+            linear_acc: Heap::default(),
+            angular_acc: Heap::default(),
         }
     }