diff --git a/ext/libav/gstavviddec.h b/ext/libav/gstavviddec.h
index a9965b7950..68faf9648b 100644
--- a/ext/libav/gstavviddec.h
+++ b/ext/libav/gstavviddec.h
@@ -83,17 +83,6 @@ struct _GstFFMpegVidDecClass
   AVCodec *in_plugin;
 };
 
-#define GST_TYPE_FFMPEGDEC \
-  (gst_ffmpegviddec_get_type())
-#define GST_FFMPEGDEC(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FFMPEGDEC,GstFFMpegVidDec))
-#define GST_FFMPEGVIDDEC_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FFMPEGDEC,GstFFMpegVidDecClass))
-#define GST_IS_FFMPEGDEC(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FFMPEGDEC))
-#define GST_IS_FFMPEGVIDDEC_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FFMPEGDEC))
-
 G_END_DECLS
 
 #endif
diff --git a/ext/libav/gstavvidenc.h b/ext/libav/gstavvidenc.h
index be7b8322ab..92312bddf9 100644
--- a/ext/libav/gstavvidenc.h
+++ b/ext/libav/gstavvidenc.h
@@ -82,17 +82,6 @@ struct _GstFFMpegVidEncClass
   GstPadTemplate *srctempl, *sinktempl;
 };
 
-#define GST_TYPE_FFMPEGVIDENC \
-  (gst_ffmpegvidenc_get_type())
-#define GST_FFMPEGVIDENC(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FFMPEGVIDENC,GstFFMpegVidEnc))
-#define GST_FFMPEGVIDENC_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FFMPEGVIDENC,GstFFMpegVidEncClass))
-#define GST_IS_FFMPEGVIDENC(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FFMPEGVIDENC))
-#define GST_IS_FFMPEGVIDENC_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FFMPEGVIDENC))
-
 G_END_DECLS
 
 #endif /* __GST_FFMPEGVIDENC_H__ */