diff --git a/gst/asfdemux/gstrtspwms.c b/gst/asfdemux/gstrtspwms.c
index 9ece6357a4..0a02ae9e1e 100644
--- a/gst/asfdemux/gstrtspwms.c
+++ b/gst/asfdemux/gstrtspwms.c
@@ -203,26 +203,16 @@ send_error:
 
 static void gst_rtsp_wms_extension_init (gpointer g_iface, gpointer iface_data);
 
-static void
-_do_init (GType rtspwms_type)
-{
-  static const GInterfaceInfo rtspextension_info = {
-    gst_rtsp_wms_extension_init,
-    NULL,
-    NULL
-  };
-
-  g_type_add_interface_static (rtspwms_type, GST_TYPE_RTSP_EXTENSION,
-      &rtspextension_info);
-}
-
-GST_BOILERPLATE_FULL (GstRTSPWMS, gst_rtsp_wms, GstElement, GST_TYPE_ELEMENT,
-    _do_init);
+G_DEFINE_TYPE_WITH_CODE (GstRTSPWMS, gst_rtsp_wms, GST_TYPE_ELEMENT,
+    G_IMPLEMENT_INTERFACE (GST_TYPE_RTSP_EXTENSION,
+        gst_rtsp_wms_extension_init));
 
 static void
-gst_rtsp_wms_base_init (gpointer klass)
+gst_rtsp_wms_class_init (GstRTSPWMSClass * g_class)
 {
-  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+  GST_DEBUG_CATEGORY_INIT (rtspwms_debug, "rtspwms", 0, "WMS RTSP extension");
 
   gst_element_class_set_details_simple (element_class, "WMS RTSP Extension",
       "Network/Extension/Protocol",
@@ -231,13 +221,7 @@ gst_rtsp_wms_base_init (gpointer klass)
 }
 
 static void
-gst_rtsp_wms_class_init (GstRTSPWMSClass * g_class)
-{
-  GST_DEBUG_CATEGORY_INIT (rtspwms_debug, "rtspwms", 0, "WMS RTSP extension");
-}
-
-static void
-gst_rtsp_wms_init (GstRTSPWMS * rtspwms, GstRTSPWMSClass * klass)
+gst_rtsp_wms_init (GstRTSPWMS * rtspwms)
 {
 }