Fix `variable does not need to be mutable` warning

2 files changed, 2 insertions, 2 deletions

diff --git a/components/script/dom/htmlformelement.rs b/components/script/dom/htmlformelement.rs
index 33313116161..fc8f9879c7b 100644
--- a/components/script/dom/htmlformelement.rs
+++ b/components/script/dom/htmlformelement.rs
@@ -246,7 +246,7 @@ impl<'a> HTMLFormElementHelpers for JSRef<'a, HTMLFormElement> {
         let node: JSRef<Node> = NodeCast::from_ref(self);
         // TODO: This is an incorrect way of getting controls owned
         //       by the form, but good enough until html5ever lands
-        let mut data_set = node.traverse_preorder().filter_map(|child| {
+        let data_set = node.traverse_preorder().filter_map(|child| {
             if child.get_disabled_state() {
                 return None;
             }
diff --git a/components/script/dom/node.rs b/components/script/dom/node.rs
index 155e3cb0fa8..849f912bf35 100644
--- a/components/script/dom/node.rs
+++ b/components/script/dom/node.rs
@@ -782,7 +782,7 @@ impl<'a> NodeHelpers<'a> for JSRef<'a, Node> {
     fn query_selector_all(self, selectors: DOMString) -> Fallible<Temporary<NodeList>> {
         // Step 1.
         unsafe {
-            self.query_selector_iter(selectors).map(|mut iter| {
+            self.query_selector_iter(selectors).map(|iter| {
                 let window = window_from_node(self).root();
                 NodeList::new_simple_list(window.r(), iter.collect())
             })