diff --git a/ports/glutin/window.rs b/ports/glutin/window.rs
index 8197767d635..c74a1adb6a2 100644
--- a/ports/glutin/window.rs
+++ b/ports/glutin/window.rs
@@ -845,9 +845,6 @@ 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.