diff --git a/src/components/script/dom/bindings/js.rs b/src/components/script/dom/bindings/js.rs
index e273dfc7bad..ae4fd2c1a67 100644
--- a/src/components/script/dom/bindings/js.rs
+++ b/src/components/script/dom/bindings/js.rs
@@ -60,7 +60,7 @@ use std::mem;
 pub struct Temporary<T> {
     inner: JS<T>,
     /// On-stack JS pointer to assuage conservative stack scanner
-    js_ptr: *mut JSObject,
+    _js_ptr: *mut JSObject,
 }
 
 impl<T> PartialEq for Temporary<T> {
@@ -74,7 +74,7 @@ impl<T: Reflectable> Temporary<T> {
     pub fn new(inner: JS<T>) -> Temporary<T> {
         Temporary {
             inner: inner,
-            js_ptr: inner.reflector().get_jsobject(),
+            _js_ptr: inner.reflector().get_jsobject(),
         }
     }
 
diff --git a/src/components/script/dom/node.rs b/src/components/script/dom/node.rs
index 6da6dd7bb03..9892f0b5f27 100644
--- a/src/components/script/dom/node.rs
+++ b/src/components/script/dom/node.rs
@@ -157,8 +157,8 @@ pub struct SharedLayoutData {
 /// Encapsulates the abstract layout data.
 pub struct LayoutData {
     chan: Option<LayoutChan>,
-    shared_data: SharedLayoutData,
-    data: *(),
+    _shared_data: SharedLayoutData,
+    _data: *(),
 }
 
 pub struct LayoutDataRef {