diff --git a/clutter/clutter/cally/cally-actor.h b/clutter/clutter/cally/cally-actor.h
index c6c9937ed..56ac233b3 100644
--- a/clutter/clutter/cally/cally-actor.h
+++ b/clutter/clutter/cally/cally-actor.h
@@ -103,10 +103,6 @@ struct _CallyActorClass
   gint     (*remove_actor)   (ClutterActor *container,
                               ClutterActor *actor,
                               gpointer      data);
-
-  /*< private >*/
-  /* padding for future expansion */
-  gpointer _padding_dummy[32];
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/cally/cally-clone.h b/clutter/clutter/cally/cally-clone.h
index 348993c1e..56f4666aa 100644
--- a/clutter/clutter/cally/cally-clone.h
+++ b/clutter/clutter/cally/cally-clone.h
@@ -59,9 +59,6 @@ struct _CallyCloneClass
 {
   /*< private >*/
   CallyActorClass parent_class;
-
-  /* padding for future expansion */
-  gpointer _padding_dummy[8];
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/cally/cally-root.h b/clutter/clutter/cally/cally-root.h
index 3ac8413ff..8c5e81b5c 100644
--- a/clutter/clutter/cally/cally-root.h
+++ b/clutter/clutter/cally/cally-root.h
@@ -59,9 +59,6 @@ struct _CallyRootClass
 {
   /*< private >*/
   AtkGObjectAccessibleClass parent_class;
-
-  /* padding for future expansion */
-  gpointer _padding_dummy[16];
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/cally/cally-stage.h b/clutter/clutter/cally/cally-stage.h
index 1a96db0eb..95ad89e4d 100644
--- a/clutter/clutter/cally/cally-stage.h
+++ b/clutter/clutter/cally/cally-stage.h
@@ -59,9 +59,6 @@ struct _CallyStageClass
 {
   /*< private >*/
   CallyActorClass parent_class;
-
-  /* padding for future expansion */
-  gpointer _padding_dummy[16];
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/cally/cally-text.h b/clutter/clutter/cally/cally-text.h
index 126048eb0..7a4af4d71 100644
--- a/clutter/clutter/cally/cally-text.h
+++ b/clutter/clutter/cally/cally-text.h
@@ -59,9 +59,6 @@ struct _CallyTextClass
 {
   /*< private >*/
   CallyActorClass parent_class;
-
-  /* padding for future expansion */
-  gpointer _padding_dummy[8];
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/cally/cally-util.h b/clutter/clutter/cally/cally-util.h
index 36f940f3f..faa5d8420 100644
--- a/clutter/clutter/cally/cally-util.h
+++ b/clutter/clutter/cally/cally-util.h
@@ -59,9 +59,6 @@ struct _CallyUtilClass
 {
   /*< private >*/
   AtkUtilClass parent_class;
-
-  /* padding for future expansion */
-  gpointer _padding_dummy[8];
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-action.h b/clutter/clutter/clutter-action.h
index 542cd31d9..73e618b40 100644
--- a/clutter/clutter/clutter-action.h
+++ b/clutter/clutter/clutter-action.h
@@ -55,15 +55,6 @@ struct _ClutterActionClass
   void (* sequence_cancelled) (ClutterAction        *action,
                                ClutterInputDevice   *device,
                                ClutterEventSequence *sequence);
-
-  void (* _clutter_action1) (void);
-  void (* _clutter_action2) (void);
-  void (* _clutter_action3) (void);
-  void (* _clutter_action4) (void);
-  void (* _clutter_action5) (void);
-  void (* _clutter_action6) (void);
-  void (* _clutter_action7) (void);
-  void (* _clutter_action8) (void);
 };
 
 /* ClutterActor API */
diff --git a/clutter/clutter/clutter-actor-meta.h b/clutter/clutter/clutter-actor-meta.h
index a04153892..e02a8ba2f 100644
--- a/clutter/clutter/clutter-actor-meta.h
+++ b/clutter/clutter/clutter-actor-meta.h
@@ -69,14 +69,6 @@ struct _ClutterActorMetaClass
 
   void (* set_enabled) (ClutterActorMeta *meta,
                         gboolean          is_enabled);
-
-  /*< private >*/
-  void (* _clutter_meta1) (void);
-  void (* _clutter_meta2) (void);
-  void (* _clutter_meta3) (void);
-  void (* _clutter_meta4) (void);
-  void (* _clutter_meta5) (void);
-  void (* _clutter_meta6) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-actor.h b/clutter/clutter/clutter-actor.h
index b7d9fc93d..98deaa4ed 100644
--- a/clutter/clutter/clutter-actor.h
+++ b/clutter/clutter/clutter-actor.h
@@ -292,10 +292,6 @@ struct _ClutterActorClass
   void     (* resource_scale_changed) (ClutterActor *self);
   float    (* calculate_resource_scale) (ClutterActor *self,
                                          int           phase);
-
-  /*< private >*/
-  /* padding for future expansion */
-  gpointer _padding_dummy[25];
 };
 
 /**
diff --git a/clutter/clutter/clutter-canvas.h b/clutter/clutter/clutter-canvas.h
index 1c8adeb6d..055b1fdd8 100644
--- a/clutter/clutter/clutter-canvas.h
+++ b/clutter/clutter/clutter-canvas.h
@@ -69,9 +69,6 @@ struct _ClutterCanvasClass
                      cairo_t       *cr,
                      int            width,
                      int            height);
-
-  /*< private >*/
-  gpointer _padding[16];
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-click-action.h b/clutter/clutter/clutter-click-action.h
index b2a680a85..1cf5503b0 100644
--- a/clutter/clutter/clutter-click-action.h
+++ b/clutter/clutter/clutter-click-action.h
@@ -65,15 +65,6 @@ struct _ClutterClickActionClass
   gboolean (* long_press) (ClutterClickAction    *action,
                            ClutterActor          *actor,
                            ClutterLongPressState  state);
-
-  /*< private >*/
-  void (* _clutter_click_action1) (void);
-  void (* _clutter_click_action2) (void);
-  void (* _clutter_click_action3) (void);
-  void (* _clutter_click_action4) (void);
-  void (* _clutter_click_action5) (void);
-  void (* _clutter_click_action6) (void);
-  void (* _clutter_click_action7) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-clone.h b/clutter/clutter/clutter-clone.h
index 891c04c5a..8ff1020c5 100644
--- a/clutter/clutter/clutter-clone.h
+++ b/clutter/clutter/clutter-clone.h
@@ -60,12 +60,6 @@ struct _ClutterCloneClass
 {
   /*< private >*/
   ClutterActorClass parent_class;
-
-  /* padding for future expansion */
-  void (*_clutter_actor_clone1) (void);
-  void (*_clutter_actor_clone2) (void);
-  void (*_clutter_actor_clone3) (void);
-  void (*_clutter_actor_clone4) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-constraint.h b/clutter/clutter/clutter-constraint.h
index ddb0cc69a..1799795f9 100644
--- a/clutter/clutter/clutter-constraint.h
+++ b/clutter/clutter/clutter-constraint.h
@@ -75,15 +75,6 @@ struct _ClutterConstraintClass
                                   float               for_size,
                                   float              *minimum_size,
                                   float              *natural_size);
-
-  /*< private >*/
-  void (* _clutter_constraint1) (void);
-  void (* _clutter_constraint2) (void);
-  void (* _clutter_constraint3) (void);
-  void (* _clutter_constraint4) (void);
-  void (* _clutter_constraint5) (void);
-  void (* _clutter_constraint6) (void);
-  void (* _clutter_constraint7) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-deform-effect.h b/clutter/clutter/clutter-deform-effect.h
index b29d38bb7..74534d979 100644
--- a/clutter/clutter/clutter-deform-effect.h
+++ b/clutter/clutter/clutter-deform-effect.h
@@ -71,15 +71,6 @@ struct _ClutterDeformEffectClass
                           gfloat               width,
                           gfloat               height,
                           CoglTextureVertex   *vertex);
-
-  /*< private >*/
-  void (*_clutter_deform1) (void);
-  void (*_clutter_deform2) (void);
-  void (*_clutter_deform3) (void);
-  void (*_clutter_deform4) (void);
-  void (*_clutter_deform5) (void);
-  void (*_clutter_deform6) (void);
-  void (*_clutter_deform7) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-effect.h b/clutter/clutter/clutter-effect.h
index fd783b494..f3cbde99f 100644
--- a/clutter/clutter/clutter-effect.h
+++ b/clutter/clutter/clutter-effect.h
@@ -86,11 +86,6 @@ struct _ClutterEffectClass
                                     ClutterEffectPaintFlags  flags);
   void     (* pick)                (ClutterEffect           *effect,
                                     ClutterPickContext      *pick_context);
-
-  /*< private >*/
-  void (* _clutter_effect4) (void);
-  void (* _clutter_effect5) (void);
-  void (* _clutter_effect6) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-gesture-action.h b/clutter/clutter/clutter-gesture-action.h
index 3251adf22..34b94e661 100644
--- a/clutter/clutter/clutter-gesture-action.h
+++ b/clutter/clutter/clutter-gesture-action.h
@@ -70,14 +70,6 @@ struct _ClutterGestureActionClass
                                  ClutterActor          *actor);
   gboolean (* gesture_prepare)  (ClutterGestureAction  *action,
                                  ClutterActor          *actor);
-
-  /*< private >*/
-  void (* _clutter_gesture_action1) (void);
-  void (* _clutter_gesture_action2) (void);
-  void (* _clutter_gesture_action3) (void);
-  void (* _clutter_gesture_action4) (void);
-  void (* _clutter_gesture_action5) (void);
-  void (* _clutter_gesture_action6) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-grid-layout.h b/clutter/clutter/clutter-grid-layout.h
index d7266bd0e..a9a9d7afb 100644
--- a/clutter/clutter/clutter-grid-layout.h
+++ b/clutter/clutter/clutter-grid-layout.h
@@ -66,8 +66,6 @@ struct _ClutterGridLayoutClass
 {
   /*< private >*/
   ClutterLayoutManagerClass parent_class;
-
-  gpointer _padding[8];
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-image.h b/clutter/clutter/clutter-image.h
index cc9122bd2..ad1d12f21 100644
--- a/clutter/clutter/clutter-image.h
+++ b/clutter/clutter/clutter-image.h
@@ -49,8 +49,6 @@ struct _ClutterImageClass
 {
   /*< private >*/
   GObjectClass parent_class;
-
-  gpointer _padding[16];
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-interval.h b/clutter/clutter/clutter-interval.h
index e26904d64..15c74dc1d 100644
--- a/clutter/clutter/clutter-interval.h
+++ b/clutter/clutter/clutter-interval.h
@@ -71,15 +71,6 @@ struct _ClutterIntervalClass
   gboolean (* compute_value) (ClutterInterval *interval,
                               gdouble          factor,
                               GValue          *value);
-
-  /*< private >*/
-  /* padding for future expansion */
-  void (*_clutter_reserved1) (void);
-  void (*_clutter_reserved2) (void);
-  void (*_clutter_reserved3) (void);
-  void (*_clutter_reserved4) (void);
-  void (*_clutter_reserved5) (void);
-  void (*_clutter_reserved6) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-keyframe-transition.h b/clutter/clutter/clutter-keyframe-transition.h
index bfe575d04..5f514cfa2 100644
--- a/clutter/clutter/clutter-keyframe-transition.h
+++ b/clutter/clutter/clutter-keyframe-transition.h
@@ -61,8 +61,6 @@ struct _ClutterKeyframeTransitionClass
 {
   /*< private >*/
   ClutterPropertyTransitionClass parent_class;
-
-  gpointer _padding[8];
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-layout-manager.h b/clutter/clutter/clutter-layout-manager.h
index fa935f273..87a8937ee 100644
--- a/clutter/clutter/clutter-layout-manager.h
+++ b/clutter/clutter/clutter-layout-manager.h
@@ -116,17 +116,6 @@ struct _ClutterLayoutManagerClass
                                                  ClutterActor           *actor);
 
   void               (* layout_changed)         (ClutterLayoutManager   *manager);
-
-  /*< private >*/
-  /* padding for future expansion */
-  void (* _clutter_padding_1) (void);
-  void (* _clutter_padding_2) (void);
-  void (* _clutter_padding_3) (void);
-  void (* _clutter_padding_4) (void);
-  void (* _clutter_padding_5) (void);
-  void (* _clutter_padding_6) (void);
-  void (* _clutter_padding_7) (void);
-  void (* _clutter_padding_8) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-layout-meta.h b/clutter/clutter/clutter-layout-meta.h
index 2bd22300a..ee6a6fb95 100644
--- a/clutter/clutter/clutter-layout-meta.h
+++ b/clutter/clutter/clutter-layout-meta.h
@@ -70,12 +70,6 @@ struct _ClutterLayoutMetaClass
 {
   /*< private >*/
   ClutterChildMetaClass parent_class;
-
-  /* padding, for expansion */
-  void (*_clutter_padding1) (void);
-  void (*_clutter_padding2) (void);
-  void (*_clutter_padding3) (void);
-  void (*_clutter_padding4) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-offscreen-effect.h b/clutter/clutter/clutter-offscreen-effect.h
index 5881fbf54..dedb9443c 100644
--- a/clutter/clutter/clutter-offscreen-effect.h
+++ b/clutter/clutter/clutter-offscreen-effect.h
@@ -74,15 +74,6 @@ struct _ClutterOffscreenEffectClass
   void       (* paint_target)   (ClutterOffscreenEffect *effect,
                                  ClutterPaintNode       *node,
                                  ClutterPaintContext    *paint_context);
-
-  /*< private >*/
-  void (* _clutter_offscreen1) (void);
-  void (* _clutter_offscreen2) (void);
-  void (* _clutter_offscreen3) (void);
-  void (* _clutter_offscreen4) (void);
-  void (* _clutter_offscreen5) (void);
-  void (* _clutter_offscreen6) (void);
-  void (* _clutter_offscreen7) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-pan-action.h b/clutter/clutter/clutter-pan-action.h
index 3f35abb31..106bd6712 100644
--- a/clutter/clutter/clutter-pan-action.h
+++ b/clutter/clutter/clutter-pan-action.h
@@ -76,14 +76,6 @@ struct _ClutterPanActionClass
   /*< public >*/
   void     (* pan_stopped)       (ClutterPanAction    *action,
                                   ClutterActor        *actor);
-
-  /*< private >*/
-  void (* _clutter_pan_action1) (void);
-  void (* _clutter_pan_action2) (void);
-  void (* _clutter_pan_action3) (void);
-  void (* _clutter_pan_action4) (void);
-  void (* _clutter_pan_action5) (void);
-  void (* _clutter_pan_action6) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-property-transition.h b/clutter/clutter/clutter-property-transition.h
index c301f59e3..6628328ce 100644
--- a/clutter/clutter/clutter-property-transition.h
+++ b/clutter/clutter/clutter-property-transition.h
@@ -61,8 +61,6 @@ struct _ClutterPropertyTransitionClass
 {
   /*< private >*/
   ClutterTransitionClass parent_class;
-
-  gpointer _padding[8];
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-rotate-action.h b/clutter/clutter/clutter-rotate-action.h
index a5d307845..cd78b2382 100644
--- a/clutter/clutter/clutter-rotate-action.h
+++ b/clutter/clutter/clutter-rotate-action.h
@@ -63,14 +63,6 @@ struct _ClutterRotateActionClass
 {
   /*< private >*/
   ClutterGestureActionClass parent_class;
-
-  void (* _clutter_rotate_action1) (void);
-  void (* _clutter_rotate_action2) (void);
-  void (* _clutter_rotate_action3) (void);
-  void (* _clutter_rotate_action4) (void);
-  void (* _clutter_rotate_action5) (void);
-  void (* _clutter_rotate_action6) (void);
-  void (* _clutter_rotate_action7) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-script.h b/clutter/clutter/clutter-script.h
index af93d95be..881721aeb 100644
--- a/clutter/clutter/clutter-script.h
+++ b/clutter/clutter/clutter-script.h
@@ -116,17 +116,6 @@ struct _ClutterScriptClass
   /*< public >*/
   GType (* get_type_from_name) (ClutterScript *script,
                                 const gchar   *type_name);
-
-  /*< private >*/
-  /* padding, for future expansion */
-  void (*_clutter_reserved1) (void);
-  void (*_clutter_reserved2) (void);
-  void (*_clutter_reserved3) (void);
-  void (*_clutter_reserved4) (void);
-  void (*_clutter_reserved5) (void);
-  void (*_clutter_reserved6) (void);
-  void (*_clutter_reserved7) (void);
-  void (*_clutter_reserved8) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-scroll-actor.h b/clutter/clutter/clutter-scroll-actor.h
index a70f6b2f8..1a6cfa3e4 100644
--- a/clutter/clutter/clutter-scroll-actor.h
+++ b/clutter/clutter/clutter-scroll-actor.h
@@ -59,8 +59,6 @@ struct _ClutterScrollActorClass
 {
   /*< private >*/
   ClutterActorClass parent_instance;
-
-  gpointer _padding[8];
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-shader-effect.h b/clutter/clutter/clutter-shader-effect.h
index c36d00a66..00079920f 100644
--- a/clutter/clutter/clutter-shader-effect.h
+++ b/clutter/clutter/clutter-shader-effect.h
@@ -70,14 +70,6 @@ struct _ClutterShaderEffectClass
 
   /*< public >*/
   gchar * (* get_static_shader_source) (ClutterShaderEffect *effect);
-
-  /*< private >*/
-  /* padding */
-  void (*_clutter_shader1) (void);
-  void (*_clutter_shader2) (void);
-  void (*_clutter_shader3) (void);
-  void (*_clutter_shader4) (void);
-  void (*_clutter_shader5) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-stage.h b/clutter/clutter/clutter-stage.h
index a579003cb..4a82abfb3 100644
--- a/clutter/clutter/clutter-stage.h
+++ b/clutter/clutter/clutter-stage.h
@@ -79,10 +79,6 @@ struct _ClutterStageClass
                        ClutterStageView     *view,
                        const cairo_region_t *redraw_clip,
                        ClutterFrame         *frame);
-
-  /*< private >*/
-  /* padding for future expansion */
-  gpointer _padding_dummy[31];
 };
 
 /**
diff --git a/clutter/clutter/clutter-swipe-action.h b/clutter/clutter/clutter-swipe-action.h
index 77a48ec98..ddc6699a2 100644
--- a/clutter/clutter/clutter-swipe-action.h
+++ b/clutter/clutter/clutter-swipe-action.h
@@ -74,14 +74,6 @@ struct _ClutterSwipeActionClass
   void (* swept)  (ClutterSwipeAction    *action,
                    ClutterActor          *actor,
                    ClutterSwipeDirection  direction);
-
-  /*< private >*/
-  void (* _clutter_swipe_action1) (void);
-  void (* _clutter_swipe_action2) (void);
-  void (* _clutter_swipe_action3) (void);
-  void (* _clutter_swipe_action4) (void);
-  void (* _clutter_swipe_action5) (void);
-  void (* _clutter_swipe_action6) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-tap-action.h b/clutter/clutter/clutter-tap-action.h
index f3fb264cf..f478588ea 100644
--- a/clutter/clutter/clutter-tap-action.h
+++ b/clutter/clutter/clutter-tap-action.h
@@ -74,14 +74,6 @@ struct _ClutterTapActionClass
   /*< public >*/
   gboolean (* tap)               (ClutterTapAction    *action,
                                   ClutterActor        *actor);
-
-  /*< private >*/
-  void (* _clutter_tap_action1) (void);
-  void (* _clutter_tap_action2) (void);
-  void (* _clutter_tap_action3) (void);
-  void (* _clutter_tap_action4) (void);
-  void (* _clutter_tap_action5) (void);
-  void (* _clutter_tap_action6) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-text-buffer.h b/clutter/clutter/clutter-text-buffer.h
index 2dfbbc7a4..6f082168d 100644
--- a/clutter/clutter/clutter-text-buffer.h
+++ b/clutter/clutter/clutter-text-buffer.h
@@ -98,17 +98,6 @@ struct _ClutterTextBufferClass
   guint        (*delete_text)            (ClutterTextBuffer *buffer,
                                           guint              position,
                                           guint              n_chars);
-
-  /*< private >*/
-  /* Padding for future expansion */
-  void (*_clutter_reserved1) (void);
-  void (*_clutter_reserved2) (void);
-  void (*_clutter_reserved3) (void);
-  void (*_clutter_reserved4) (void);
-  void (*_clutter_reserved5) (void);
-  void (*_clutter_reserved6) (void);
-  void (*_clutter_reserved7) (void);
-  void (*_clutter_reserved8) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-text.h b/clutter/clutter/clutter-text.h
index 38fe2a9a8..ba4c4b865 100644
--- a/clutter/clutter/clutter-text.h
+++ b/clutter/clutter/clutter-text.h
@@ -75,16 +75,6 @@ struct _ClutterTextClass
   void (* cursor_event)   (ClutterText           *self,
                            const graphene_rect_t *rect);
   void (* cursor_changed) (ClutterText           *self);
-
-  /*< private >*/
-  /* padding for future expansion */
-  void (* _clutter_reserved1) (void);
-  void (* _clutter_reserved2) (void);
-  void (* _clutter_reserved3) (void);
-  void (* _clutter_reserved4) (void);
-  void (* _clutter_reserved5) (void);
-  void (* _clutter_reserved6) (void);
-  void (* _clutter_reserved7) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-timeline.h b/clutter/clutter/clutter-timeline.h
index cd293911b..684b61ad2 100644
--- a/clutter/clutter/clutter-timeline.h
+++ b/clutter/clutter/clutter-timeline.h
@@ -95,12 +95,6 @@ struct _ClutterTimelineClass
                           gint             msecs);
   void (*stopped)        (ClutterTimeline *timeline,
                           gboolean         is_finished);
-
-  /*< private >*/
-  void (*_clutter_timeline_1) (void);
-  void (*_clutter_timeline_2) (void);
-  void (*_clutter_timeline_3) (void);
-  void (*_clutter_timeline_4) (void);
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-transition-group.h b/clutter/clutter/clutter-transition-group.h
index e4b0c590a..d263600a9 100644
--- a/clutter/clutter/clutter-transition-group.h
+++ b/clutter/clutter/clutter-transition-group.h
@@ -61,8 +61,6 @@ struct _ClutterTransitionGroupClass
 {
   /*< private >*/
   ClutterTransitionClass parent_class;
-
-  gpointer _padding[8];
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-transition.h b/clutter/clutter/clutter-transition.h
index 72a4e7123..a0d7aba87 100644
--- a/clutter/clutter/clutter-transition.h
+++ b/clutter/clutter/clutter-transition.h
@@ -78,9 +78,6 @@ struct _ClutterTransitionClass
                           ClutterAnimatable *animatable,
                           ClutterInterval   *interval,
                           gdouble            progress);
-
-  /*< private >*/
-  gpointer _padding[8];
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-units.h b/clutter/clutter/clutter-units.h
index 3a3009dd4..9d232021e 100644
--- a/clutter/clutter/clutter-units.h
+++ b/clutter/clutter/clutter-units.h
@@ -56,10 +56,6 @@ struct _ClutterUnits
 
   /* the serial coming from the backend, used to evict the cache */
   gint32 serial;
-
-  /* padding for eventual expansion */
-  gint32 __padding_1;
-  gint64 __padding_2;
 };
 
 CLUTTER_EXPORT
diff --git a/clutter/clutter/clutter-zoom-action.h b/clutter/clutter/clutter-zoom-action.h
index fb0e93796..04cf5bfb8 100644
--- a/clutter/clutter/clutter-zoom-action.h
+++ b/clutter/clutter/clutter-zoom-action.h
@@ -65,12 +65,6 @@ struct _ClutterZoomActionClass
 {
   /*< private >*/
   ClutterGestureActionClass parent_class;
-
-  void (* _clutter_zoom_action1) (void);
-  void (* _clutter_zoom_action2) (void);
-  void (* _clutter_zoom_action3) (void);
-  void (* _clutter_zoom_action4) (void);
-  void (* _clutter_zoom_action5) (void);
 };
 
 CLUTTER_EXPORT