diff --git a/src/extension.js b/src/extension.js
index 44ee11e..ff9f521 100644
--- a/src/extension.js
+++ b/src/extension.js
@@ -1,21 +1,3 @@
-/*
- * This file is part of Top-Bar-Organizer (a Gnome Shell Extension for
- * organizing your Gnome Shell top bar).
- * Copyright (C) 2021 Julian Schacher
- *
- * Top-Bar-Organizer is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
 /* exported init */
 "use strict";
 
diff --git a/src/extensionModules/AppIndicatorKStatusNotifierItemManager.js b/src/extensionModules/AppIndicatorKStatusNotifierItemManager.js
index 6701de4..170a6b9 100644
--- a/src/extensionModules/AppIndicatorKStatusNotifierItemManager.js
+++ b/src/extensionModules/AppIndicatorKStatusNotifierItemManager.js
@@ -1,21 +1,3 @@
-/*
- * This file is part of Top-Bar-Organizer (a Gnome Shell Extension for
- * organizing your Gnome Shell top bar).
- * Copyright (C) 2021 Julian Schacher
- *
- * Top-Bar-Organizer is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
 /* exported AppIndicatorKStatusNotifierItemManager */
 "use strict";
 
diff --git a/src/extensionModules/BoxOrderCreator.js b/src/extensionModules/BoxOrderCreator.js
index 228bea9..4e5cea8 100644
--- a/src/extensionModules/BoxOrderCreator.js
+++ b/src/extensionModules/BoxOrderCreator.js
@@ -1,21 +1,3 @@
-/*
- * This file is part of Top-Bar-Organizer (a Gnome Shell Extension for
- * organizing your Gnome Shell top bar).
- * Copyright (C) 2021 Julian Schacher
- *
- * Top-Bar-Organizer is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
 /* exported BoxOrderCreator */
 "use strict";
 
diff --git a/src/prefs-box-order-item-row.ui b/src/prefs-box-order-item-row.ui
index 36e224f..5ce9994 100644
--- a/src/prefs-box-order-item-row.ui
+++ b/src/prefs-box-order-item-row.ui
@@ -1,22 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!--
-  This file is part of Top-Bar-Organizer (a Gnome Shell Extension for
-  organizing your Gnome Shell top bar).
-  Copyright (C) 2021-2022 Julian Schacher
-
-  Top-Bar-Organizer is free software: you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation, either version 3 of the License, or
-  (at your option) any later version.
-
-  This program is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program.  If not, see <https://www.gnu.org/licenses/>.
--->
 <interface>
     <template class="PrefsBoxOrderItemRow" parent="AdwActionRow">
         <child type="prefix">
diff --git a/src/prefs-box-order-list-box.ui b/src/prefs-box-order-list-box.ui
index b81c5d8..46c77d2 100644
--- a/src/prefs-box-order-list-box.ui
+++ b/src/prefs-box-order-list-box.ui
@@ -1,22 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!--
-  This file is part of Top-Bar-Organizer (a Gnome Shell Extension for
-  organizing your Gnome Shell top bar).
-  Copyright (C) 2021-2022 Julian Schacher
-
-  Top-Bar-Organizer is free software: you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation, either version 3 of the License, or
-  (at your option) any later version.
-
-  This program is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program.  If not, see <https://www.gnu.org/licenses/>.
--->
 <interface>
     <template class="PrefsBoxOrderListBox" parent="GtkListBox">
         <property name="selection-mode">none</property>
diff --git a/src/prefs-box-order-list-empty-placeholder.ui b/src/prefs-box-order-list-empty-placeholder.ui
index 11803f8..e4d1fd1 100644
--- a/src/prefs-box-order-list-empty-placeholder.ui
+++ b/src/prefs-box-order-list-empty-placeholder.ui
@@ -1,22 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!--
-  This file is part of Top-Bar-Organizer (a Gnome Shell Extension for
-  organizing your Gnome Shell top bar).
-  Copyright (C) 2021 Julian Schacher
-
-  Top-Bar-Organizer is free software: you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation, either version 3 of the License, or
-  (at your option) any later version.
-
-  This program is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program.  If not, see <https://www.gnu.org/licenses/>.
--->
 <interface>
     <template class="PrefsBoxOrderListEmptyPlaceholder" parent="GtkBox">
         <child>
diff --git a/src/prefs-page.ui b/src/prefs-page.ui
index d575644..b3ce82e 100644
--- a/src/prefs-page.ui
+++ b/src/prefs-page.ui
@@ -1,22 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!--
-  This file is part of Top-Bar-Organizer (a Gnome Shell Extension for
-  organizing your Gnome Shell top bar).
-  Copyright (C) 2021-2022 Julian Schacher
-
-  Top-Bar-Organizer is free software: you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation, either version 3 of the License, or
-  (at your option) any later version.
-
-  This program is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program.  If not, see <https://www.gnu.org/licenses/>.
--->
 <interface>
     <template class="PrefsPage" parent="AdwPreferencesPage">
         <child>
diff --git a/src/prefs.js b/src/prefs.js
index 905eb2e..531397d 100644
--- a/src/prefs.js
+++ b/src/prefs.js
@@ -1,21 +1,3 @@
-/*
- * This file is part of Top-Bar-Organizer (a Gnome Shell Extension for
- * organizing your Gnome Shell top bar).
- * Copyright (C) 2021-2022 Julian Schacher
- *
- * Top-Bar-Organizer is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
 /* exported buildPrefsWidget, init */
 "use strict";
 
diff --git a/src/prefsModules/PrefsBoxOrderItemRow.js b/src/prefsModules/PrefsBoxOrderItemRow.js
index 8904d76..76fa9f8 100644
--- a/src/prefsModules/PrefsBoxOrderItemRow.js
+++ b/src/prefsModules/PrefsBoxOrderItemRow.js
@@ -1,21 +1,3 @@
-/*
- * This file is part of Top-Bar-Organizer (a Gnome Shell Extension for
- * organizing your Gnome Shell top bar).
- * Copyright (C) 2021-2022 Julian Schacher
- *
- * Top-Bar-Organizer is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
 /* exported PrefsBoxOrderItemRow */
 "use strict";
 
diff --git a/src/prefsModules/PrefsBoxOrderListBox.js b/src/prefsModules/PrefsBoxOrderListBox.js
index 3f6ed91..f80b8e0 100644
--- a/src/prefsModules/PrefsBoxOrderListBox.js
+++ b/src/prefsModules/PrefsBoxOrderListBox.js
@@ -1,21 +1,3 @@
-/*
- * This file is part of Top-Bar-Organizer (a Gnome Shell Extension for
- * organizing your Gnome Shell top bar).
- * Copyright (C) 2021 Julian Schacher
- *
- * Top-Bar-Organizer is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
 /* exported PrefsBoxOrderListBox */
 "use strict";
 
diff --git a/src/prefsModules/PrefsBoxOrderListEmptyPlaceholder.js b/src/prefsModules/PrefsBoxOrderListEmptyPlaceholder.js
index f1cde8f..a5ded70 100644
--- a/src/prefsModules/PrefsBoxOrderListEmptyPlaceholder.js
+++ b/src/prefsModules/PrefsBoxOrderListEmptyPlaceholder.js
@@ -1,21 +1,3 @@
-/*
- * This file is part of Top-Bar-Organizer (a Gnome Shell Extension for
- * organizing your Gnome Shell top bar).
- * Copyright (C) 2021 Julian Schacher
- *
- * Top-Bar-Organizer is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
 /* exported PrefsBoxOrderListEmptyPlaceholder */
 "use strict";
 
diff --git a/src/prefsModules/ScrollManager.js b/src/prefsModules/ScrollManager.js
index 322d4f0..1dc2a0e 100644
--- a/src/prefsModules/ScrollManager.js
+++ b/src/prefsModules/ScrollManager.js
@@ -1,22 +1,4 @@
 "use strict";
-/*
- * This file is part of Top-Bar-Organizer (a Gnome Shell Extension for
- * organizing your Gnome Shell top bar).
- * Copyright (C) 2021 Julian Schacher
- *
- * Top-Bar-Organizer is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
 /* exported ScrollManager */
 const GLib = imports.gi.GLib;
 
diff --git a/src/schemas/org.gnome.shell.extensions.top-bar-organizer.gschema.xml b/src/schemas/org.gnome.shell.extensions.top-bar-organizer.gschema.xml
index b4b03a4..24e17fe 100644
--- a/src/schemas/org.gnome.shell.extensions.top-bar-organizer.gschema.xml
+++ b/src/schemas/org.gnome.shell.extensions.top-bar-organizer.gschema.xml
@@ -1,22 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!--
-  This file is part of Top-Bar-Organizer (a Gnome Shell Extension for
-  organizing your Gnome Shell top bar).
-  Copyright (C) 2021 Julian Schacher
-
-  Top-Bar-Organizer is free software: you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation, either version 3 of the License, or
-  (at your option) any later version.
-
-  This program is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program.  If not, see <https://www.gnu.org/licenses/>.
--->
 <schemalist>
     <schema id="org.gnome.shell.extensions.top-bar-organizer" path="/org/gnome/shell/extensions/top-bar-organizer/">
         <key name="left-box-order" type="as">