diff --git a/sys/vdpau/gstvdp.c b/sys/vdpau/gstvdp.c
index 2324fe60d1..8d927a15e3 100644
--- a/sys/vdpau/gstvdp.c
+++ b/sys/vdpau/gstvdp.c
@@ -31,7 +31,7 @@
 GST_DEBUG_CATEGORY (gst_vdp_debug);
 
 void
-gst_vdp_init ()
+gst_vdp_init (void)
 {
   /* do this so debug categories get created */
   gst_vdp_device_get_type ();
diff --git a/sys/vdpau/gstvdpoutputsrcpad.h b/sys/vdpau/gstvdpoutputsrcpad.h
index 64ce157aa4..c88ed15d8a 100644
--- a/sys/vdpau/gstvdpoutputsrcpad.h
+++ b/sys/vdpau/gstvdpoutputsrcpad.h
@@ -46,7 +46,7 @@ GstFlowReturn gst_vdp_output_src_pad_get_device (GstVdpOutputSrcPad *vdp_pad, Gs
 gboolean gst_vdp_output_src_pad_negotiate_output (GstVdpOutputSrcPad *vdp_pad, GstCaps *video_caps);
 
 GstVdpOutputSrcPad *gst_vdp_output_src_pad_new (GstCaps * templ_caps);
-GType gst_vdp_output_src_pad_get_type (void) G_GNUC_CONST;
+GType gst_vdp_output_src_pad_get_type (void);
 
 G_END_DECLS