diff --git a/qemu/scripts/qapi-event.py b/qemu/scripts/qapi-event.py
index 82d5bb9a..467bdef4 100644
--- a/qemu/scripts/qapi-event.py
+++ b/qemu/scripts/qapi-event.py
@@ -170,38 +170,19 @@ class QAPISchemaGenEventVisitor(QAPISchemaVisitor):
 
 (input_file, output_dir, do_c, do_h, prefix, dummy) = parse_command_line()
 
-c_comment = '''
-/*
- * schema-defined QAPI event functions
+blurb = '''
+ * Schema-defined QAPI/QMP events
  *
  * Copyright (c) 2014 Wenchao Xia
  *
  * Authors:
  *  Wenchao Xia   <wenchaoqemu@gmail.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
- * See the COPYING.LIB file in the top-level directory.
- *
- */
-'''
-h_comment = '''
-/*
- * schema-defined QAPI event functions
- *
- * Copyright (c) 2014 Wenchao Xia
- *
- * Authors:
- *  Wenchao Xia  <wenchaoqemu@gmail.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
- * See the COPYING.LIB file in the top-level directory.
- *
  */
 '''
 
 (fdef, fdecl) = open_output(output_dir, do_c, do_h, prefix,
                             'qapi-event.c', 'qapi-event.h',
-                            c_comment, h_comment)
+                            blurb)
 fdef.write(mcgen('''
 #include "qemu-common.h"
 #include "%(prefix)sqapi-event.h"
diff --git a/qemu/scripts/qapi-types.py b/qemu/scripts/qapi-types.py
index b45e7b56..2b3fc4a1 100644
--- a/qemu/scripts/qapi-types.py
+++ b/qemu/scripts/qapi-types.py
@@ -250,39 +250,19 @@ for o, a in opts:
     if o in ('-b', '--builtins'):
         do_builtins = True
 
-c_comment = '''
-/*
- * deallocation functions for schema-defined QAPI types
+blurb = '''
+ * Schema-defined QAPI types
  *
  * Copyright IBM, Corp. 2011
  *
  * Authors:
  *  Anthony Liguori   <aliguori@us.ibm.com>
  *  Michael Roth      <mdroth@linux.vnet.ibm.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
- * See the COPYING.LIB file in the top-level directory.
- *
- */
-'''
-h_comment = '''
-/*
- * schema-defined QAPI types
- *
- * Copyright IBM, Corp. 2011
- *
- * Authors:
- *  Anthony Liguori   <aliguori@us.ibm.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
- * See the COPYING.LIB file in the top-level directory.
- *
- */
 '''
 
 (fdef, fdecl) = open_output(output_dir, do_c, do_h, prefix,
                             'qapi-types.c', 'qapi-types.h',
-                            c_comment, h_comment)
+                            blurb)
 
 fdef.write(mcgen('''
 #include "qemu/osdep.h"
diff --git a/qemu/scripts/qapi-visit.py b/qemu/scripts/qapi-visit.py
index bd0b7422..e6e647c4 100644
--- a/qemu/scripts/qapi-visit.py
+++ b/qemu/scripts/qapi-visit.py
@@ -334,38 +334,18 @@ for o, a in opts:
     if o in ('-b', '--builtins'):
         do_builtins = True
 
-c_comment = '''
-/*
- * schema-defined QAPI visitor functions
+blurb = '''
+ * Schema-defined QAPI visitors
  *
  * Copyright IBM, Corp. 2011
  *
  * Authors:
  *  Anthony Liguori   <aliguori@us.ibm.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
- * See the COPYING.LIB file in the top-level directory.
- *
- */
-'''
-h_comment = '''
-/*
- * schema-defined QAPI visitor functions
- *
- * Copyright IBM, Corp. 2011
- *
- * Authors:
- *  Anthony Liguori   <aliguori@us.ibm.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
- * See the COPYING.LIB file in the top-level directory.
- *
- */
 '''
 
 (fdef, fdecl) = open_output(output_dir, do_c, do_h, prefix,
                             'qapi-visit.c', 'qapi-visit.h',
-                            c_comment, h_comment)
+                            blurb)
 
 fdef.write(mcgen('''
 #include "qemu/osdep.h"
diff --git a/qemu/scripts/qapi.py b/qemu/scripts/qapi.py
index 1d0ed237..7d1bb322 100644
--- a/qemu/scripts/qapi.py
+++ b/qemu/scripts/qapi.py
@@ -1990,11 +1990,21 @@ def parse_command_line(extra_options='', extra_long_options=[]):
 #
 
 
-def open_output(output_dir, do_c, do_h, prefix, c_file, h_file,
-                c_comment, h_comment):
+def open_output(output_dir, do_c, do_h, prefix, c_file, h_file, blurb):
     guard = guardname(prefix + h_file)
     c_file = output_dir + prefix + c_file
     h_file = output_dir + prefix + h_file
+    comment = mcgen('''/* AUTOMATICALLY GENERATED, DO NOT MODIFY */
+
+/*
+%(blurb)s
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
+ * See the COPYING.LIB file in the top-level directory.
+ */
+
+''',
+                    blurb=blurb.strip('\n'))
 
     if output_dir:
         try:
@@ -2012,27 +2022,22 @@ def open_output(output_dir, do_c, do_h, prefix, c_file, h_file,
     fdef = maybe_open(do_c, c_file, 'w')
     fdecl = maybe_open(do_h, h_file, 'w')
 
-    fdef.write(mcgen('''
-/* AUTOMATICALLY GENERATED, DO NOT MODIFY */
-%(comment)s
-''',
-                     comment=c_comment))
-
+    fdef.write(comment)
+    fdecl.write(comment)
     fdecl.write(mcgen('''
-/* AUTOMATICALLY GENERATED, DO NOT MODIFY */
-%(comment)s
 #ifndef %(guard)s
 #define %(guard)s
 
 ''',
-                      comment=h_comment, guard=guard))
+                      guard=guard))
 
     return (fdef, fdecl)
 
 
 def close_output(fdef, fdecl):
-    fdecl.write('''
+    fdecl.write(mcgen('''
+
 #endif
-''')
+'''))
     fdecl.close()
     fdef.close()