diff --git a/headers/os/interface/OutlineListView.h b/headers/os/interface/OutlineListView.h
index 87b2be2d2c..747183b3d4 100644
--- a/headers/os/interface/OutlineListView.h
+++ b/headers/os/interface/OutlineListView.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2009, Haiku, Inc. All rights reserved.
+ * Copyright 2006-2013, Haiku, Inc. All rights reserved.
  * Distributed under the terms of the MIT License.
  */
 #ifndef _OUTLINE_LIST_VIEW_H
@@ -9,12 +9,6 @@
 #include <ListView.h>
 
 
-class BList;
-class BListItem;
-class BMessage;
-class BPoint;
-class BRect;
-
 class BOutlineListView : public BListView {
 public:
 								BOutlineListView(BRect frame, const char* name,