diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index 610b2f6239..067aae77c8 100644
--- a/gtk/gtkstack.c
+++ b/gtk/gtkstack.c
@@ -212,17 +212,6 @@ static gint     get_bin_window_y                         (GtkStack            *s
 
 G_DEFINE_TYPE_WITH_PRIVATE (GtkStack, gtk_stack, GTK_TYPE_CONTAINER)
 
-static void
-gtk_stack_dispose (GObject *obj)
-{
-  GtkStack *stack = GTK_STACK (obj);
-  GtkStackPrivate *priv = gtk_stack_get_instance_private (stack);
-
-  priv->visible_child = NULL;
-
-  G_OBJECT_CLASS (gtk_stack_parent_class)->dispose (obj);
-}
-
 static void
 gtk_stack_finalize (GObject *obj)
 {
@@ -416,7 +405,6 @@ gtk_stack_class_init (GtkStackClass *klass)
 
   object_class->get_property = gtk_stack_get_property;
   object_class->set_property = gtk_stack_set_property;
-  object_class->dispose = gtk_stack_dispose;
   object_class->finalize = gtk_stack_finalize;
 
   widget_class->size_allocate = gtk_stack_size_allocate;