diff --git a/sys/directsound/gstdirectsoundsink.c b/sys/directsound/gstdirectsoundsink.c
index ae31babd45..a674e953f1 100644
--- a/sys/directsound/gstdirectsoundsink.c
+++ b/sys/directsound/gstdirectsoundsink.c
@@ -57,10 +57,6 @@
 
 GST_DEBUG_CATEGORY_STATIC (directsoundsink_debug);
 
-static void gst_directsound_sink_base_init (gpointer g_class);
-static void gst_directsound_sink_class_init (GstDirectSoundSinkClass * klass);
-static void gst_directsound_sink_init (GstDirectSoundSink * dsoundsink,
-    GstDirectSoundSinkClass * g_class);
 static void gst_directsound_sink_finalise (GObject * object);
 
 static void gst_directsound_sink_set_property (GObject * object, guint prop_id,