diff --git a/clutter/clutter/clutter-zoom-action.c b/clutter/clutter/clutter-zoom-action.c
index f8bc19fba..fe479c3e2 100644
--- a/clutter/clutter/clutter-zoom-action.c
+++ b/clutter/clutter/clutter-zoom-action.c
@@ -219,12 +219,6 @@ clutter_zoom_action_gesture_cancel (ClutterGestureAction *action,
   clutter_actor_set_scale (actor, priv->initial_scale_x, priv->initial_scale_y);
 }
 
-static void
-clutter_zoom_action_dispose (GObject *gobject)
-{
-  G_OBJECT_CLASS (clutter_zoom_action_parent_class)->dispose (gobject);
-}
-
 static void
 clutter_zoom_action_constructed (GObject *gobject)
 {
@@ -242,7 +236,6 @@ clutter_zoom_action_class_init (ClutterZoomActionClass *klass)
   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
 
   gobject_class->constructed = clutter_zoom_action_constructed;
-  gobject_class->dispose = clutter_zoom_action_dispose;
 
   gesture_class->gesture_begin = clutter_zoom_action_gesture_begin;
   gesture_class->gesture_progress = clutter_zoom_action_gesture_progress;
diff --git a/src/backends/meta-eis-client.c b/src/backends/meta-eis-client.c
index 359801918..16f36a875 100644
--- a/src/backends/meta-eis-client.c
+++ b/src/backends/meta-eis-client.c
@@ -724,13 +724,6 @@ meta_eis_client_init (MetaEisClient *meta_eis_client)
 {
 }
 
-static void
-meta_eis_client_constructed (GObject *object)
-{
-  if (G_OBJECT_CLASS (meta_eis_client_parent_class)->constructed)
-    G_OBJECT_CLASS (meta_eis_client_parent_class)->constructed (object);
-}
-
 static void
 meta_eis_client_finalize (GObject *object)
 {
@@ -749,6 +742,5 @@ meta_eis_client_class_init (MetaEisClientClass *klass)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
-  object_class->constructed = meta_eis_client_constructed;
   object_class->finalize = meta_eis_client_finalize;
 }
diff --git a/src/backends/meta-eis.c b/src/backends/meta-eis.c
index d7b5aae5d..9c14c5fff 100644
--- a/src/backends/meta-eis.c
+++ b/src/backends/meta-eis.c
@@ -297,19 +297,9 @@ meta_eis_new (MetaBackend *backend)
 static void
 meta_eis_init (MetaEis *meta_eis)
 {
-}
-
-static void
-meta_eis_constructed (GObject *object)
-{
-  MetaEis *meta_eis = META_EIS (object);
-
   meta_eis->eis_clients = g_hash_table_new_full (g_direct_hash, g_direct_equal,
                                                  (GDestroyNotify) eis_client_unref,
                                                  (GDestroyNotify) g_object_unref);
-
-  if (G_OBJECT_CLASS (meta_eis_parent_class)->constructed)
-    G_OBJECT_CLASS (meta_eis_parent_class)->constructed (object);
 }
 
 static void
@@ -329,6 +319,5 @@ meta_eis_class_init (MetaEisClass *klass)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
-  object_class->constructed = meta_eis_constructed;
   object_class->finalize = meta_eis_finalize;
 }
diff --git a/src/backends/native/meta-kms.c b/src/backends/native/meta-kms.c
index 31249adde..e282a1046 100644
--- a/src/backends/native/meta-kms.c
+++ b/src/backends/native/meta-kms.c
@@ -505,11 +505,6 @@ meta_kms_finalize (GObject *object)
   G_OBJECT_CLASS (meta_kms_parent_class)->finalize (object);
 }
 
-static void
-meta_kms_constructed (GObject *object)
-{
-}
-
 static void
 meta_kms_init (MetaKms *kms)
 {
@@ -523,7 +518,6 @@ meta_kms_class_init (MetaKmsClass *klass)
   MetaThreadClass *thread_class = META_THREAD_CLASS (klass);
 
   object_class->finalize = meta_kms_finalize;
-  object_class->constructed = meta_kms_constructed;
 
   signals[RESOURCES_CHANGED] =
     g_signal_new ("resources-changed",
diff --git a/src/compositor/meta-module.c b/src/compositor/meta-module.c
index ca7ea05b8..fc18635bc 100644
--- a/src/compositor/meta-module.c
+++ b/src/compositor/meta-module.c
@@ -97,12 +97,6 @@ meta_module_unload (GTypeModule *gmodule)
   priv->plugin_type = 0;
 }
 
-static void
-meta_module_dispose (GObject *object)
-{
-  G_OBJECT_CLASS (meta_module_parent_class)->dispose (object);
-}
-
 static void
 meta_module_finalize (GObject *object)
 {
@@ -160,7 +154,6 @@ meta_module_class_init (MetaModuleClass *klass)
   GTypeModuleClass *gmodule_class = G_TYPE_MODULE_CLASS (klass);
 
   gobject_class->finalize     = meta_module_finalize;
-  gobject_class->dispose      = meta_module_dispose;
   gobject_class->set_property = meta_module_set_property;
   gobject_class->get_property = meta_module_get_property;
 
diff --git a/src/compositor/meta-window-actor-x11.c b/src/compositor/meta-window-actor-x11.c
index c6cce0ce9..c1ac7dafd 100644
--- a/src/compositor/meta-window-actor-x11.c
+++ b/src/compositor/meta-window-actor-x11.c
@@ -1562,12 +1562,6 @@ meta_window_actor_x11_dispose (GObject *object)
   G_OBJECT_CLASS (meta_window_actor_x11_parent_class)->dispose (object);
 }
 
-static void
-meta_window_actor_x11_finalize (GObject *object)
-{
-  G_OBJECT_CLASS (meta_window_actor_x11_parent_class)->finalize (object);
-}
-
 static void
 meta_window_actor_x11_class_init (MetaWindowActorX11Class *klass)
 {
@@ -1596,7 +1590,6 @@ meta_window_actor_x11_class_init (MetaWindowActorX11Class *klass)
   object_class->set_property = meta_window_actor_x11_set_property;
   object_class->get_property = meta_window_actor_x11_get_property;
   object_class->dispose = meta_window_actor_x11_dispose;
-  object_class->finalize = meta_window_actor_x11_finalize;
 
   pspec = g_param_spec_enum ("shadow-mode", NULL, NULL,
                              META_TYPE_SHADOW_MODE,
diff --git a/src/compositor/plugins/default.c b/src/compositor/plugins/default.c
index 9ff255070..5d68c2d26 100644
--- a/src/compositor/plugins/default.c
+++ b/src/compositor/plugins/default.c
@@ -153,59 +153,11 @@ typedef struct _DisplayTilePreview
   MetaRectangle   tile_rect;
 } DisplayTilePreview;
 
-static void
-meta_default_plugin_dispose (GObject *object)
-{
-  /* MetaDefaultPluginPrivate *priv = META_DEFAULT_PLUGIN (object)->priv;
-  */
-  G_OBJECT_CLASS (meta_default_plugin_parent_class)->dispose (object);
-}
-
-static void
-meta_default_plugin_finalize (GObject *object)
-{
-  G_OBJECT_CLASS (meta_default_plugin_parent_class)->finalize (object);
-}
-
-static void
-meta_default_plugin_set_property (GObject      *object,
-			    guint         prop_id,
-			    const GValue *value,
-			    GParamSpec   *pspec)
-{
-  switch (prop_id)
-    {
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-    }
-}
-
-static void
-meta_default_plugin_get_property (GObject    *object,
-			    guint       prop_id,
-			    GValue     *value,
-			    GParamSpec *pspec)
-{
-  switch (prop_id)
-    {
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-    }
-}
-
 static void
 meta_default_plugin_class_init (MetaDefaultPluginClass *klass)
 {
-  GObjectClass      *gobject_class = G_OBJECT_CLASS (klass);
   MetaPluginClass *plugin_class  = META_PLUGIN_CLASS (klass);
 
-  gobject_class->finalize        = meta_default_plugin_finalize;
-  gobject_class->dispose         = meta_default_plugin_dispose;
-  gobject_class->set_property    = meta_default_plugin_set_property;
-  gobject_class->get_property    = meta_default_plugin_get_property;
-
   plugin_class->start            = start;
   plugin_class->map              = map;
   plugin_class->minimize         = minimize;
diff --git a/src/core/meta-launch-context.c b/src/core/meta-launch-context.c
index 549ade28b..3028f5364 100644
--- a/src/core/meta-launch-context.c
+++ b/src/core/meta-launch-context.c
@@ -100,12 +100,6 @@ meta_launch_context_get_property (GObject    *object,
     }
 }
 
-static void
-meta_launch_context_finalize (GObject *object)
-{
-  G_OBJECT_CLASS (meta_launch_context_parent_class)->finalize (object);
-}
-
 static void
 meta_launch_context_constructed (GObject *object)
 {
@@ -215,7 +209,6 @@ meta_launch_context_class_init (MetaLaunchContextClass *klass)
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
   GAppLaunchContextClass *ctx_class = G_APP_LAUNCH_CONTEXT_CLASS (klass);
 
-  object_class->finalize = meta_launch_context_finalize;
   object_class->constructed = meta_launch_context_constructed;
   object_class->set_property = meta_launch_context_set_property;
   object_class->get_property = meta_launch_context_get_property;
diff --git a/src/core/meta-workspace-manager.c b/src/core/meta-workspace-manager.c
index d805e51d3..e16e1cd91 100644
--- a/src/core/meta-workspace-manager.c
+++ b/src/core/meta-workspace-manager.c
@@ -87,20 +87,6 @@ meta_workspace_manager_get_property (GObject    *object,
     }
 }
 
-static void
-meta_workspace_manager_set_property (GObject      *object,
-                                     guint         prop_id,
-                                     const GValue *value,
-                                     GParamSpec   *pspec)
-{
-  switch (prop_id)
-    {
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-    }
-}
-
 static void
 meta_workspace_manager_finalize (GObject *object)
 {
@@ -117,7 +103,6 @@ meta_workspace_manager_class_init (MetaWorkspaceManagerClass *klass)
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
   object_class->get_property = meta_workspace_manager_get_property;
-  object_class->set_property = meta_workspace_manager_set_property;
 
   object_class->finalize = meta_workspace_manager_finalize;
 
diff --git a/src/core/startup-notification.c b/src/core/startup-notification.c
index 69b059d06..2a9796dc4 100644
--- a/src/core/startup-notification.c
+++ b/src/core/startup-notification.c
@@ -641,6 +641,8 @@ meta_startup_notification_lookup_sequence (MetaStartupNotification *sn,
 static void
 meta_startup_notification_init (MetaStartupNotification *sn)
 {
+  sn->startup_sequences = NULL;
+  sn->startup_sequence_timeout_id = 0;
 }
 
 static void
@@ -695,23 +697,11 @@ meta_startup_notification_get_property (GObject    *object,
     }
 }
 
-static void
-meta_startup_notification_constructed (GObject *object)
-{
-  MetaStartupNotification *sn = META_STARTUP_NOTIFICATION (object);
-
-  g_assert (sn->display != NULL);
-
-  sn->startup_sequences = NULL;
-  sn->startup_sequence_timeout_id = 0;
-}
-
 static void
 meta_startup_notification_class_init (MetaStartupNotificationClass *klass)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
-  object_class->constructed = meta_startup_notification_constructed;
   object_class->finalize = meta_startup_notification_finalize;
   object_class->set_property = meta_startup_notification_set_property;
   object_class->get_property = meta_startup_notification_get_property;
diff --git a/src/core/workspace.c b/src/core/workspace.c
index 65706fca0..4edfc3db3 100644
--- a/src/core/workspace.c
+++ b/src/core/workspace.c
@@ -141,27 +141,6 @@ meta_workspace_clear_logical_monitor_data (MetaWorkspace *workspace)
   g_clear_pointer (&workspace->logical_monitor_data, g_hash_table_destroy);
 }
 
-static void
-meta_workspace_finalize (GObject *object)
-{
-  /* Actual freeing done in meta_workspace_remove() for now */
-  G_OBJECT_CLASS (meta_workspace_parent_class)->finalize (object);
-}
-
-static void
-meta_workspace_set_property (GObject      *object,
-                             guint         prop_id,
-                             const GValue *value,
-                             GParamSpec   *pspec)
-{
-  switch (prop_id)
-    {
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-    }
-}
-
 static void
 meta_workspace_get_property (GObject      *object,
                              guint         prop_id,
@@ -195,9 +174,7 @@ static void
 meta_workspace_class_init (MetaWorkspaceClass *klass)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
-  object_class->finalize     = meta_workspace_finalize;
   object_class->get_property = meta_workspace_get_property;
-  object_class->set_property = meta_workspace_set_property;
 
   signals[WINDOW_ADDED] = g_signal_new ("window-added",
                                         G_TYPE_FROM_CLASS (klass),