diff -up atk-2.22.0/atk/atkgobjectaccessible.c.invalid-unref atk-2.22.0/atk/atkgobjectaccessible.c

--- atk-2.22.0/atk/atkgobjectaccessible.c.invalid-unref	2017-05-30 18:32:22.067833190 +0200

+++ atk-2.22.0/atk/atkgobjectaccessible.c	2017-05-30 18:32:43.864810009 +0200

@@ -163,7 +163,6 @@ atk_gobject_accessible_object_gone_cb (g

   g_object_set_qdata (G_OBJECT (data), quark_object, NULL);

   atk_object_notify_state_change (ATK_OBJECT (data), ATK_STATE_DEFUNCT,

                                   TRUE); 

-  g_object_unref (data);

 }

 static void