Index: remove.c
===================================================================
--- remove.c	(revision 1174)
+++ remove.c	(revision 1175)
@@ -154,11 +154,8 @@
 {
 	r_delete_entry(Layer->arc_tree, (BoxTypePtr) Arc);
 
-	Layer->Arc = g_list_remove(Layer->Arc, Arc);
-	Layer->ArcN--;
+	RemoveFreeArc(Arc);
 
-	g_slice_free(ArcType, Arc);
-
 	return NULL;
 }