diff --git a/content/media/MediaDecoder.h b/content/media/MediaDecoder.h
index 4559a38de41..3f1f76bd134 100644
--- a/content/media/MediaDecoder.h
+++ b/content/media/MediaDecoder.h
@@ -504,7 +504,7 @@ public:
   void SetMediaDuration(int64_t aDuration) MOZ_FINAL MOZ_OVERRIDE;
 
   // Set a flag indicating whether seeking is supported
-  virtual void SetMediaSeekable(bool aMediaSeekable) MOZ_FINAL MOZ_OVERRIDE;
+  virtual void SetMediaSeekable(bool aMediaSeekable) MOZ_OVERRIDE;
   virtual void SetTransportSeekable(bool aTransportSeekable) MOZ_FINAL MOZ_OVERRIDE;
   // Returns true if this media supports seeking. False for example for WebM
   // files without an index and chained ogg files.