diff --git a/src/components/script/dom/window.rs b/src/components/script/dom/window.rs
index ab51a5f457c..7e366492719 100644
--- a/src/components/script/dom/window.rs
+++ b/src/components/script/dom/window.rs
@@ -70,7 +70,7 @@ pub struct Window {
     pub location: Option<JS<Location>>,
     pub navigator: Option<JS<Navigator>>,
     pub image_cache_task: ImageCacheTask,
-    pub active_timers: ~HashMap<TimerId, TimerHandle>,
+    pub active_timers: HashMap<TimerId, TimerHandle>,
     pub next_timer_handle: i32,
     pub compositor: Untraceable<~ScriptListener>,
     pub browser_context: Option<BrowserContext>,
@@ -380,7 +380,7 @@ impl Window {
             location: None,
             navigator: None,
             image_cache_task: image_cache_task,
-            active_timers: ~HashMap::new(),
+            active_timers: HashMap::new(),
             next_timer_handle: 0,
             browser_context: None,
             performance: None,