diff --git a/extras/openslides_gui/gui.py b/extras/openslides_gui/gui.py
index acd5492de..296ee2a8f 100644
--- a/extras/openslides_gui/gui.py
+++ b/extras/openslides_gui/gui.py
@@ -638,7 +638,7 @@ class MainWindow(wx.Frame):
         info.SetDescription(_(
             "OpenSlides is a free web based presentation and "
             "assembly system.\n"
-            "OpenSlides is free software; licensed under the GNU GPL v2+."
+            "OpenSlides is free software; licensed under the MIT license."
         ).replace(u" ", u"\u00a0"))
         info.SetCopyright(_(u"\u00a9 2011-2013 by OpenSlides team"))
         info.SetWebSite(("http://www.openslides.org/", "www.openslides.org"))
diff --git a/extras/win32-portable/openslides.c b/extras/win32-portable/openslides.c
index e69d9824b..1eb9c19b1 100644
--- a/extras/win32-portable/openslides.c
+++ b/extras/win32-portable/openslides.c
@@ -1,8 +1,3 @@
-/*
-    :copyright: 2012 by OpenSlides team, see AUTHORS.
-    :license: GNU GPL, see LICENSE for more details.
-*/
-
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
diff --git a/openslides/agenda/static/styles/agenda.css b/openslides/agenda/static/styles/agenda.css
index 9b02ab5a1..1f7f5ba05 100644
--- a/openslides/agenda/static/styles/agenda.css
+++ b/openslides/agenda/static/styles/agenda.css
@@ -1,10 +1,3 @@
-/**
- * OpenSlides agenda style
- *
- * :copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
- * :license: GNU GPL, see LICENSE for more details.
- */
-
 tr.topline td {
     border-bottom: 1px solid #333333;
     background-color: #CDCDCD;
diff --git a/openslides/agenda/static/styles/timepicker.css b/openslides/agenda/static/styles/timepicker.css
index 8a2558fcd..e8cca290c 100644
--- a/openslides/agenda/static/styles/timepicker.css
+++ b/openslides/agenda/static/styles/timepicker.css
@@ -1,10 +1,3 @@
-/**
- * OpenSlides timepicker style
- *
- * :copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
- * :license: GNU GPL, see LICENSE for more details.
- */
-
 .ui-timepicker-div .ui-widget-header {
     margin-bottom: 8px;
 }
diff --git a/openslides/assignment/static/styles/assignment.css b/openslides/assignment/static/styles/assignment.css
index 4a84a9189..5bd992410 100644
--- a/openslides/assignment/static/styles/assignment.css
+++ b/openslides/assignment/static/styles/assignment.css
@@ -1,10 +1,3 @@
-/**
- * OpenSlides assignent style
- *
- * :copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
- * :license: GNU GPL, see LICENSE for more details.
- */
-
 td.elected {
     background-color: #BED4DE !important;
 }
diff --git a/openslides/mediafile/static/styles/mediafile.css b/openslides/mediafile/static/styles/mediafile.css
index 1ce9b1168..dde6abd0e 100644
--- a/openslides/mediafile/static/styles/mediafile.css
+++ b/openslides/mediafile/static/styles/mediafile.css
@@ -1,12 +1,4 @@
-/*
- * OpenSlides mediafile style
- *
- * :copyright: 2011–2013 by OpenSlides team, see AUTHORS.
- * :license: GNU GPL, see LICENSE for more details.
- */
-
 /** Navigation icons (mapping to glyphicons-halflings) **/
-
 .icon-mediafile {
     background-image: url("../img/glyphicons_062_paperclip.png");
     background-position: 0;
diff --git a/openslides/motion/static/styles/motion.css b/openslides/motion/static/styles/motion.css
index 262fd5b0e..3cf04454e 100644
--- a/openslides/motion/static/styles/motion.css
+++ b/openslides/motion/static/styles/motion.css
@@ -1,10 +1,3 @@
-/**
- * OpenSlides motion style
- *
- * :copyright: 2013 by OpenSlides team, see AUTHORS.
- * :license: GNU GPL, see LICENSE for more details.
- */
-
 /* motion version diff table */
 table.diff, .diff_row {
     font-size: 12px;
diff --git a/openslides/projector/static/styles/dashboard.css b/openslides/projector/static/styles/dashboard.css
index 56313cbe6..30379d441 100644
--- a/openslides/projector/static/styles/dashboard.css
+++ b/openslides/projector/static/styles/dashboard.css
@@ -1,10 +1,3 @@
-/**
- * OpenSlides projector control style
- *
- * :copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
- * :license: GNU GPL, see LICENSE for more details.
- */
-
 /** Widgets **/
 .column {
     width: 50%;
diff --git a/openslides/projector/static/styles/projector.css b/openslides/projector/static/styles/projector.css
index 1bf4003db..8d492e440 100644
--- a/openslides/projector/static/styles/projector.css
+++ b/openslides/projector/static/styles/projector.css
@@ -1,10 +1,3 @@
-/**
- * OpenSlides projector view style
- *
- * :copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
- * :license: GNU GPL, see LICENSE for more details.
- */
-
 body{
     font-size: 20px !important;
     line-height: 24px !important;
diff --git a/openslides/static/styles/base.css b/openslides/static/styles/base.css
index 19f98338c..e979774b2 100644
--- a/openslides/static/styles/base.css
+++ b/openslides/static/styles/base.css
@@ -1,10 +1,3 @@
-/**
- * OpenSlides default template style
- *
- * :copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
- * :license: GNU GPL, see LICENSE for more details.
- */
-
 body {
    background-color: #FBFBFB;
 }
diff --git a/tests/test_init.py b/tests/test_init.py
index 9845d03b8..72202b0c7 100644
--- a/tests/test_init.py
+++ b/tests/test_init.py
@@ -1,11 +1,4 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
-"""
-    Unit test for OpenSlides __init__.py
-
-    :copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
-    :license: GNU GPL, see LICENSE for more details.
-"""
 
 import tempfile