--- a/dom/media/MediaStreamTrack.h
+++ b/dom/media/MediaStreamTrack.h
@@ -10,17 +10,16 @@
 #include "PrincipalChangeObserver.h"
 #include "StreamTracks.h"
 #include "mozilla/CORSMode.h"
 #include "mozilla/DOMEventTargetHelper.h"
 #include "mozilla/dom/MediaStreamTrackBinding.h"
 #include "mozilla/dom/MediaTrackSettingsBinding.h"
 #include "mozilla/media/MediaUtils.h"
 #include "mozilla/WeakPtr.h"
-#include "nsContentUtils.h"
 #include "nsError.h"
 #include "nsID.h"
 #include "nsIPrincipal.h"
 
 namespace mozilla {
 
 class DOMMediaStream;
 class MediaEnginePhotoCallback;