diff --git a/clutter/clutter/clutter-actor-meta-private.h b/clutter/clutter/clutter-actor-meta-private.h
index 0bdba023c..477dd466e 100644
--- a/clutter/clutter/clutter-actor-meta-private.h
+++ b/clutter/clutter/clutter-actor-meta-private.h
@@ -29,11 +29,7 @@
 G_BEGIN_DECLS
 
 #define CLUTTER_TYPE_META_GROUP         (_clutter_meta_group_get_type ())
-#define CLUTTER_META_GROUP(obj)         (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_META_GROUP, ClutterMetaGroup))
-#define CLUTTER_IS_META_GROUP(obj)      (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_META_GROUP))
 
-typedef struct _ClutterMetaGroup        ClutterMetaGroup;
-typedef struct _ClutterMetaGroupClass   ClutterMetaGroupClass;
 
 struct _ClutterMetaGroup
 {
@@ -44,10 +40,10 @@ struct _ClutterMetaGroup
   GList *meta;
 };
 
-struct _ClutterMetaGroupClass
-{
-  GObjectClass parent_class;
-};
+G_DECLARE_FINAL_TYPE (ClutterMetaGroup,
+                      _clutter_meta_group,
+                      CLUTTER, META_GROUP,
+                      GObject)
 
 /* Each actor meta has a priority with zero as a default. A higher
    number means higher priority. Higher priority metas stay at the
@@ -63,8 +59,6 @@ struct _ClutterMetaGroupClass
 #define CLUTTER_ACTOR_META_PRIORITY_INTERNAL_HIGH (G_MAXINT / 2)
 #define CLUTTER_ACTOR_META_PRIORITY_INTERNAL_LOW (G_MININT / 2)
 
-GType _clutter_meta_group_get_type (void) G_GNUC_CONST;
-
 void                    _clutter_meta_group_add_meta    (ClutterMetaGroup *group,
                                                          ClutterActorMeta *meta);
 void                    _clutter_meta_group_remove_meta (ClutterMetaGroup *group,
diff --git a/clutter/clutter/clutter-actor-meta.c b/clutter/clutter/clutter-actor-meta.c
index 8dec6c0cf..f34292859 100644
--- a/clutter/clutter/clutter-actor-meta.c
+++ b/clutter/clutter/clutter-actor-meta.c
@@ -433,7 +433,7 @@ _clutter_actor_meta_is_internal (ClutterActorMeta *meta)
  * ClutterMetaGroup: a collection of ClutterActorMeta instances
  */
 
-G_DEFINE_TYPE (ClutterMetaGroup, _clutter_meta_group, G_TYPE_OBJECT);
+G_DEFINE_FINAL_TYPE (ClutterMetaGroup, _clutter_meta_group, G_TYPE_OBJECT);
 
 static void
 _clutter_meta_group_dispose (GObject *gobject)