diff --git a/components/script/dom/bindings/global.rs b/components/script/dom/bindings/global.rs
index 3339a7331a7..0bc978f2088 100644
--- a/components/script/dom/bindings/global.rs
+++ b/components/script/dom/bindings/global.rs
@@ -189,15 +189,6 @@ impl<'a> GlobalRef<'a> {
         }
     }
 
-    /// `ScriptChan` used to send messages to the event loop of this global's
-    /// thread.
-    pub fn history_traversal_task_source(&self) -> Box<ScriptChan + Send> {
-        match *self {
-            GlobalRef::Window(ref window) => window.history_traversal_task_source(),
-            GlobalRef::Worker(ref worker) => worker.script_chan(),
-        }
-    }
-
     /// `ScriptChan` used to send messages to the event loop of this global's
     /// thread.
     pub fn file_reading_task_source(&self) -> FileReadingTaskSource {