diff --git a/scripts/qemu-gdb.py b/scripts/qemu-gdb.py
index 690827e6fc..f2a305c42e 100644
--- a/scripts/qemu-gdb.py
+++ b/scripts/qemu-gdb.py
@@ -7,11 +7,8 @@
 # Authors:
 #  Avi Kivity <avi@redhat.com>
 #
-# This work is licensed under the terms of the GNU GPL, version 2.  See
-# the COPYING file in the top-level directory.
-#
-# Contributions after 2012-01-13 are licensed under the terms of the
-# GNU GPL, version 2 or (at your option) any later version.
+# This work is licensed under the terms of the GNU GPL, version 2 or
+# later.  See the COPYING file in the top-level directory.
 
 # Usage:
 # At the (gdb) prompt, type "source scripts/qemu-gdb.py".
diff --git a/scripts/qemugdb/coroutine.py b/scripts/qemugdb/coroutine.py
index 81f811ac00..41e079d0e2 100644
--- a/scripts/qemugdb/coroutine.py
+++ b/scripts/qemugdb/coroutine.py
@@ -7,11 +7,8 @@
 # Authors:
 #  Avi Kivity <avi@redhat.com>
 #
-# This work is licensed under the terms of the GNU GPL, version 2.  See
-# the COPYING file in the top-level directory.
-#
-# Contributions after 2012-01-13 are licensed under the terms of the
-# GNU GPL, version 2 or (at your option) any later version.
+# This work is licensed under the terms of the GNU GPL, version 2
+# or later.  See the COPYING file in the top-level directory.
 
 import gdb
 
diff --git a/scripts/qemugdb/mtree.py b/scripts/qemugdb/mtree.py
index e6791b7885..3030a60d3f 100644
--- a/scripts/qemugdb/mtree.py
+++ b/scripts/qemugdb/mtree.py
@@ -7,11 +7,8 @@
 # Authors:
 #  Avi Kivity <avi@redhat.com>
 #
-# This work is licensed under the terms of the GNU GPL, version 2.  See
-# the COPYING file in the top-level directory.
-#
-# Contributions after 2012-01-13 are licensed under the terms of the
-# GNU GPL, version 2 or (at your option) any later version.
+# This work is licensed under the terms of the GNU GPL, version 2 or
+# later.  See the COPYING file in the top-level directory.
 
 # 'qemu mtree' -- display the memory hierarchy
 
diff --git a/scripts/qemugdb/tcg.py b/scripts/qemugdb/tcg.py
index 8c7f1d7454..18880fc9a7 100644
--- a/scripts/qemugdb/tcg.py
+++ b/scripts/qemugdb/tcg.py
@@ -8,11 +8,8 @@
 # Authors:
 #  Alex Bennée <alex.bennee@linaro.org>
 #
-# This work is licensed under the terms of the GNU GPL, version 2.  See
-# the COPYING file in the top-level directory.
-#
-# Contributions after 2012-01-13 are licensed under the terms of the
-# GNU GPL, version 2 or (at your option) any later version.
+# This work is licensed under the terms of the GNU GPL, version 2 or
+# later.  See the COPYING file in the top-level directory.
 
 # 'qemu tcg-lock-status' -- display the TCG lock status across threads