diff --git a/COPYRIGHT b/COPYRIGHT
index 1a54bea559..94a43fbe61 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -1,9 +1,7 @@
 Copyright (C) 2004-2008 Tiny SPRL.
-Copyright (C) 2007-2011 Cédric Krier.
-Copyright (C) 2007-2011 Bertrand Chenal.
-Copyright (C) 2008-2011 B2CK SPRL.
-Copyright (C) 2008-2011 Udo Spallek.
-Copyright (C) 2008-2011 virtual things - Preisler & Spallek GbR.
+Copyright (C) 2008-2010 Cédric Krier.
+Copyright (C) 2008-2010 Bertrand Chenal.
+Copyright (C) 2008-2010 B2CK SPRL.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by