diff --git a/components/constellation/constellation.rs b/components/constellation/constellation.rs
index 77305b4e153..f70b9b2834f 100644
--- a/components/constellation/constellation.rs
+++ b/components/constellation/constellation.rs
@@ -1111,9 +1111,6 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
                 debug!("constellation got focus message");
                 self.handle_focus_msg(source_pipeline_id);
             }
-            FromScriptMsg::ForwardEvent(destination_pipeline_id, event) => {
-                self.forward_event(destination_pipeline_id, event);
-            }
             FromScriptMsg::GetClipboardContents(sender) => {
                 let contents = match self.clipboard_ctx {
                     Some(ref mut ctx) => match ctx.get_contents() {
diff --git a/components/script_traits/script_msg.rs b/components/script_traits/script_msg.rs
index efc368e0761..e8c26c3cf2f 100644
--- a/components/script_traits/script_msg.rs
+++ b/components/script_traits/script_msg.rs
@@ -3,7 +3,6 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use AnimationState;
-use CompositorEvent;
 use DocumentState;
 use IFrameLoadInfo;
 use IFrameLoadInfoWithData;
@@ -82,8 +81,6 @@ pub enum ScriptMsg {
     CreateCanvasPaintThread(Size2D<i32>, IpcSender<(IpcSender<CanvasMsg>, CanvasId)>),
     /// Notifies the constellation that this frame has received focus.
     Focus,
-    /// Forward an event that was sent to the parent window.
-    ForwardEvent(PipelineId, CompositorEvent),
     /// Requests that the constellation retrieve the current contents of the clipboard
     GetClipboardContents(IpcSender<String>),
     /// Get the browsing context id for a given pipeline.