diff --git a/Graphics/UI/Gtk/ModelView/Gtk2HsStore.c b/Graphics/UI/Gtk/ModelView/Gtk2HsStore.c
--- a/Graphics/UI/Gtk/ModelView/Gtk2HsStore.c
+++ b/Graphics/UI/Gtk/ModelView/Gtk2HsStore.c
@@ -462,7 +462,6 @@
   WHEN_DEBUG(g_debug("calling gtk2hs_store_iter_next\t\t(%p, %p)\n", tree_model, iter));
   Gtk2HsStore *store = (Gtk2HsStore *) tree_model;
   g_return_val_if_fail (GTK2HS_IS_STORE (tree_model), FALSE);
-  g_return_val_if_fail (iter->stamp == store->stamp, FALSE);
 
   gboolean result = gtk2hs_store_iter_next_impl(store->impl, iter);
   if (result) iter->stamp = store->stamp;
@@ -489,7 +488,6 @@
   WHEN_DEBUG(g_debug("calling gtk2hs_store_iter_children\t(%p, %p, %p)\n", tree_model, iter, parent));
   Gtk2HsStore *store = (Gtk2HsStore *) tree_model;
   g_return_val_if_fail (GTK2HS_IS_STORE (tree_model), FALSE);
-  g_return_val_if_fail (parent == NULL || parent->stamp == store->stamp, FALSE);
 
   gboolean result = gtk2hs_store_iter_children_impl(store->impl, iter, parent);
   if (result) iter->stamp = store->stamp;
@@ -604,7 +602,6 @@
   WHEN_DEBUG(g_debug("calling gtk2hs_store_ref_node\t\t(%p, %p)\n", tree_model, iter));
   Gtk2HsStore *store = (Gtk2HsStore *) tree_model;
   g_return_if_fail (GTK2HS_IS_STORE (tree_model));
-  g_return_if_fail (iter->stamp == store->stamp);
 
   gtk2hs_store_ref_node_impl(store->impl, iter);
 }
diff --git a/gtk.cabal b/gtk.cabal
--- a/gtk.cabal
+++ b/gtk.cabal
@@ -1,5 +1,5 @@
 Name:           gtk
-Version:        0.12.5.5
+Version:        0.12.5.6
 License:        LGPL-2.1
 License-file:   COPYING
 Copyright:      (c) 2001-2010 The Gtk2Hs Team