1 files changed, 2 insertions, 2 deletions
diff --git a/components/script/dom/bindings/js.rs b/components/script/dom/bindings/js.rs
index 975ddeda13b..abfd9f47eff 100644
--- a/components/script/dom/bindings/js.rs
+++ b/components/script/dom/bindings/js.rs
@@ -469,7 +469,7 @@ impl RootCollection {
     /// Start tracking a stack-based root
     unsafe fn root(&self, untracked_reflector: *const Reflector) {
         debug_assert!(thread_state::get().is_script());
-        let mut roots = &mut *self.roots.get();
+        let roots = &mut *self.roots.get();
         roots.push(untracked_reflector);
         assert!(!(*untracked_reflector).get_jsobject().is_null())
     }
@@ -479,7 +479,7 @@ impl RootCollection {
         assert!(!tracked_reflector.is_null());
         assert!(!(*tracked_reflector).get_jsobject().is_null());
         debug_assert!(thread_state::get().is_script());
-        let mut roots = &mut *self.roots.get();
+        let roots = &mut *self.roots.get();
         match roots.iter().rposition(|r| *r == tracked_reflector) {
             Some(idx) => {
                 roots.remove(idx);