diff --git a/ports/glutin/window.rs b/ports/glutin/window.rs
index f09489f0093..25ce9970c5b 100644
--- a/ports/glutin/window.rs
+++ b/ports/glutin/window.rs
@@ -828,9 +828,6 @@ struct GlutinCompositorProxy {
     window_proxy: Option<glutin::WindowProxy>,
 }
 
-// TODO: Should this be implemented here or upstream in glutin::WindowProxy?
-unsafe impl Send for GlutinCompositorProxy {}
-
 impl CompositorProxy for GlutinCompositorProxy {
     fn send(&self, msg: compositor_thread::Msg) {
         // Send a message and kick the OS event loop awake.