diff --git a/components/gfx/paint_task.rs b/components/gfx/paint_task.rs
index 5fdacfa838d..99e1454e945 100644
--- a/components/gfx/paint_task.rs
+++ b/components/gfx/paint_task.rs
@@ -224,7 +224,7 @@ impl<C> PaintTask<C> where C: PaintListener + Send {
 
             debug!("paint_task: shutdown_chan send");
             shutdown_chan.send(());
-        }, ConstellationMsg::Failure(failure_msg), c, true);
+        }, ConstellationMsg::Failure(failure_msg), c);
     }
 
     fn start(&mut self) {
diff --git a/components/layout/layout_task.rs b/components/layout/layout_task.rs
index 3309ff9c28b..e64ea0f1d22 100644
--- a/components/layout/layout_task.rs
+++ b/components/layout/layout_task.rs
@@ -202,7 +202,7 @@ impl LayoutTaskFactory for LayoutTask {
                 layout.start();
             }
             shutdown_chan.send(());
-        }, ConstellationMsg::Failure(failure_msg), con_chan, false);
+        }, ConstellationMsg::Failure(failure_msg), con_chan);
     }
 }
 
diff --git a/components/script/script_task.rs b/components/script/script_task.rs
index 2b192c75587..88e6ed860a5 100644
--- a/components/script/script_task.rs
+++ b/components/script/script_task.rs
@@ -314,7 +314,7 @@ impl ScriptTaskFactory for ScriptTask {
 
             // This must always be the very last operation performed before the task completes
             failsafe.neuter();
-        }, ConstellationMsg::Failure(failure_msg), const_chan, false);
+        }, ConstellationMsg::Failure(failure_msg), const_chan);
     }
 }
 
diff --git a/components/util/task.rs b/components/util/task.rs
index 5907841e434..2962880aee0 100644
--- a/components/util/task.rs
+++ b/components/util/task.rs
@@ -25,8 +25,7 @@ pub fn spawn_named_with_send_on_failure<T: Send>(name: &'static str,
                                                  state: task_state::TaskState,
                                                  f: proc(): Send,
                                                  msg: T,
-                                                 dest: Sender<T>,
-                                                 _native: bool) {
+                                                 dest: Sender<T>) {
     let future_result = TaskBuilder::new().named(name).try_future(proc() {
         task_state::initialize(state);
         rtinstrument::instrument(f);