diff --git a/tools/xen/scripts/install-os-vpx.sh b/tools/xen/scripts/install-os-vpx.sh
index 6f9afc6..9aebb13 100755
--- a/tools/xen/scripts/install-os-vpx.sh
+++ b/tools/xen/scripts/install-os-vpx.sh
@@ -2,7 +2,6 @@
 #
 # Copyright (c) 2011 Citrix Systems, Inc.
 # Copyright 2011 OpenStack LLC.
-# Copyright (C) 2011 Nicira, Inc
 # All Rights Reserved.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
diff --git a/tools/xen/scripts/mkxva b/tools/xen/scripts/mkxva
index a595453..dcdee61 100755
--- a/tools/xen/scripts/mkxva
+++ b/tools/xen/scripts/mkxva
@@ -2,7 +2,6 @@
 #
 # Copyright (c) 2011 Citrix Systems, Inc.
 # Copyright 2011 OpenStack LLC.
-# Copyright (C) 2011 Nicira, Inc
 # All Rights Reserved.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
diff --git a/tools/xen/scripts/uninstall-os-vpx.sh b/tools/xen/scripts/uninstall-os-vpx.sh
index 7c1cd41..a82f3a0 100755
--- a/tools/xen/scripts/uninstall-os-vpx.sh
+++ b/tools/xen/scripts/uninstall-os-vpx.sh
@@ -2,7 +2,6 @@
 #
 # Copyright (c) 2011 Citrix Systems, Inc.
 # Copyright 2011 OpenStack LLC.
-# Copyright (C) 2011 Nicira, Inc
 # All Rights Reserved.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may