Index: undo.c
===================================================================
--- undo.c	(revision 15904)
+++ undo.c	(revision 15905)
@@ -81,11 +81,8 @@
 
 int pcb_undo(pcb_bool draw)
 {
-	int res, unique;
+	int res;
 
-	unique = conf_core.editor.unique_names;
-	conf_force_set_bool(conf_core.editor.unique_names, 0);
-
 	pcb_undo_and_draw = draw;
 
 	if (pcb_uundo.num_undo == 0) {
@@ -122,9 +119,6 @@
 	else if (pcb_undo_and_draw)
 		pcb_draw();
 
-	/* restore the unique flag setting */
-	conf_force_set_bool(conf_core.editor.unique_names, unique);
-
 	return res;
 }