diff --git a/Headers/Additions/GNUstepGUI/GSNibContainer.h b/Headers/Additions/GNUstepGUI/GSNibContainer.h
index 1b78c6446..45fc3683b 100644
--- a/Headers/Additions/GNUstepGUI/GSNibContainer.h
+++ b/Headers/Additions/GNUstepGUI/GSNibContainer.h
@@ -36,6 +36,8 @@
 - (NSMutableDictionary *) nameTable;
 - (NSMutableArray *) connections;
 - (NSMutableSet *) topLevelObjects;
+// - (NSSet *) visibleWindows;
+// - (NSSet *) deferredWindows;
 @end
 
 #endif /* _GNUstep_H_GSNibContainer */