1 files changed, 0 insertions, 4 deletions
diff --git a/dom/media/MediaPrefs.h b/dom/media/MediaPrefs.h
index 62b8fc47b..b237ecd3d 100644
--- a/dom/media/MediaPrefs.h
+++ b/dom/media/MediaPrefs.h
@@ -156,10 +156,6 @@ private:
   DECL_MEDIA_PREF("media.ogg.flac.enabled",                   FlacInOgg, bool, false);
   DECL_MEDIA_PREF("media.flac.enabled",                       FlacEnabled, bool, true);
 
-#if defined(MOZ_RUST_MP4PARSE) && !defined(RELEASE_OR_BETA)
-  DECL_MEDIA_PREF("media.rust.test_mode",                     RustTestMode, bool, false);
-#endif
-
 public:
   // Manage the singleton:
   static MediaPrefs& GetSingleton();