diff --git a/patches/base/gnome-control-center/no-alert-chooser.patch b/patches/base/gnome-control-center/no-alert-chooser.patch
deleted file mode 100644
index 6f84e4a..0000000
--- a/patches/base/gnome-control-center/no-alert-chooser.patch
+++ /dev/null
@@ -1,442 +0,0 @@
-diff --git a/panels/sound/cc-alert-chooser.c b/panels/sound/cc-alert-chooser.c
-deleted file mode 100644
-index 8e60659..0000000
---- a/panels/sound/cc-alert-chooser.c
-+++ /dev/null
-@@ -1,278 +0,0 @@
--/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
-- *
-- * Copyright (C) 2018 Canonical Ltd.
-- *
-- * This program 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 2 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
-- * Lesser 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 <http://www.gnu.org/licenses/>.
-- */
--
--#include <glib/gi18n.h>
--#include <gsound.h>
--
--#include "config.h"
--#include "cc-alert-chooser.h"
--#include "cc-sound-button.h"
--#include "cc-sound-resources.h"
--
--#define KEY_SOUNDS_SCHEMA "org.gnome.desktop.sound"
--
--struct _CcAlertChooser
--{
--  GtkBox         parent_instance;
--
--  CcSoundButton *bark_button;
--  CcSoundButton *drip_button;
--  CcSoundButton *glass_button;
--  CcSoundButton *sonar_button;
--
--  GSoundContext *context;
--  GSettings     *sound_settings;
--};
--
--static void clicked_cb (CcAlertChooser *self,
--                        CcSoundButton  *button);
--
--G_DEFINE_TYPE (CcAlertChooser, cc_alert_chooser, GTK_TYPE_BOX)
--
--#define CUSTOM_THEME_NAME "__custom"
--
--static gchar *
--get_theme_dir (void)
--{
--  return g_build_filename (g_get_user_data_dir (), "sounds", CUSTOM_THEME_NAME, NULL);
--}
--
--static gchar *
--get_sound_path (const gchar *name)
--{
--  g_autofree gchar *filename = NULL;
--
--  filename = g_strdup_printf ("%s.ogg", name);
--  return g_build_filename (SOUND_DATA_DIR, "gnome", "default", "alerts", filename, NULL);
--}
--
--static gchar *
--get_alert_name (void)
--{
--  g_autofree gchar *dir = NULL;
--  g_autofree gchar *path = NULL;
--  g_autoptr(GFile) file = NULL;
--  g_autoptr(GFileInfo) info = NULL;
--  const gchar *target;
--  g_autofree gchar *basename = NULL;
--  g_autoptr(GError) error = NULL;
--
--  dir = get_theme_dir ();
--  path = g_build_filename (dir, "bell-terminal.ogg", NULL);
--  file = g_file_new_for_path (path);
--
--  info = g_file_query_info (file,
--                            G_FILE_ATTRIBUTE_STANDARD_SYMLINK_TARGET,
--                            G_FILE_QUERY_INFO_NONE,
--                            NULL,
--                            &error);
--  if (info == NULL)
--    {
--      if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
--        g_warning ("Failed to get sound theme symlink %s: %s", path, error->message);
--      return NULL;
--    }
--  target = g_file_info_get_attribute_byte_string (info, G_FILE_ATTRIBUTE_STANDARD_SYMLINK_TARGET);
--  if (target == NULL)
--    return NULL;
--
--  basename = g_path_get_basename (target);
--  if (g_str_has_suffix (basename, ".ogg"))
--    basename[strlen (basename) - 4] = '\0';
--
--  return g_steal_pointer (&basename);
--}
--
--static void
--set_sound_symlink (const gchar *alert_name,
--                   const gchar *name)
--{
--  g_autofree gchar *dir = NULL;
--  g_autofree gchar *source_filename = NULL;
--  g_autofree gchar *source_path = NULL;
--  g_autofree gchar *target_path = NULL;
--  g_autoptr(GFile) file = NULL;
--  g_autoptr(GError) error = NULL;
--
--  dir = get_theme_dir ();
--  source_filename = g_strdup_printf ("%s.ogg", alert_name);
--  source_path = g_build_filename (dir, source_filename, NULL);
--  target_path = get_sound_path (name);
--
--  file = g_file_new_for_path (source_path);
--  if (!g_file_delete (file, NULL, &error))
--    {
--      if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
--        g_warning ("Failed to remove existing sound symbolic link %s: %s", source_path, error->message);
--    }
--  if (!g_file_make_symbolic_link (file, target_path, NULL, &error))
--    g_warning ("Failed to make sound theme symbolic link %s->%s: %s", source_path, target_path, error->message);
--}
--
--static void
--set_custom_theme (CcAlertChooser *self,
--                  const gchar    *name)
--{
--  g_autofree gchar *dir = NULL;
--  g_autofree gchar *theme_path = NULL;
--  g_autoptr(GKeyFile) theme_file = NULL;
--  g_autoptr(GVariant) default_theme = NULL;
--  g_autoptr(GError) load_error = NULL;
--  g_autoptr(GError) save_error = NULL;
--
--  dir = get_theme_dir ();
--  g_mkdir_with_parents (dir, USER_DIR_MODE);
--
--  theme_path = g_build_filename (dir, "index.theme", NULL);
--
--  default_theme = g_settings_get_default_value (self->sound_settings, "theme-name");
--
--  theme_file = g_key_file_new ();
--  if (!g_key_file_load_from_file (theme_file, theme_path, G_KEY_FILE_KEEP_COMMENTS, &load_error))
--    {
--      if (!g_error_matches (load_error, G_FILE_ERROR, G_FILE_ERROR_NOENT))
--        g_printerr ("Failed to load theme file %s: %s", theme_path, load_error->message);
--    }
--  g_key_file_set_string (theme_file, "Sound Theme", "Name", _("Custom"));
--  if (default_theme != NULL)
--    g_key_file_set_string (theme_file, "Sound Theme", "Inherits", g_variant_get_string (default_theme, NULL));
--  g_key_file_set_string (theme_file, "Sound Theme", "Directories", ".");
--
--  if (!g_key_file_save_to_file (theme_file, theme_path, &save_error))
--    {
--      g_warning ("Failed to save theme file %s: %s", theme_path, save_error->message);
--    }
--
--  set_sound_symlink ("bell-terminal", name);
--  set_sound_symlink ("bell-window-system", name);
--
--  g_settings_set_boolean (self->sound_settings, "event-sounds", TRUE);
--  g_settings_set_string (self->sound_settings, "theme-name", CUSTOM_THEME_NAME);
--}
--
--static void
--select_sound (CcAlertChooser *self,
--              const gchar    *name)
--{
--  g_autofree gchar *path = NULL;
--  g_autoptr(GError) error = NULL;
--
--  path = get_sound_path (name);
--  if (!gsound_context_play_simple (self->context, NULL, &error,
--                                   GSOUND_ATTR_MEDIA_FILENAME, path,
--                                   NULL))
--    {
--      g_warning ("Failed to play alert sound %s: %s", path, error->message);
--    }
--
--  set_custom_theme (self, name);
--}
--
--static void
--set_button (CcAlertChooser *self,
--            CcSoundButton  *button,
--            gboolean        active)
--{
--  g_signal_handlers_block_by_func (button, clicked_cb, self);
--  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), active);
--  g_signal_handlers_unblock_by_func (button, clicked_cb, self);
--}
--
--static void
--clicked_cb (CcAlertChooser *self,
--            CcSoundButton  *button)
--{
--  if (button == self->bark_button)
--    select_sound (self, "bark");
--  else if (button == self->drip_button)
--    select_sound (self, "drip");
--  else if (button == self->glass_button)
--    select_sound (self, "glass");
--  else if (button == self->sonar_button)
--    select_sound (self, "sonar");
--
--  set_button (self, button, TRUE);
--  if (button != self->bark_button)
--    set_button (self, self->bark_button, FALSE);
--  if (button != self->drip_button)
--    set_button (self, self->drip_button, FALSE);
--  if (button != self->glass_button)
--    set_button (self, self->glass_button, FALSE);
--  if (button != self->sonar_button)
--    set_button (self, self->sonar_button, FALSE);
--}
--
--static void
--cc_alert_chooser_dispose (GObject *object)
--{
--  CcAlertChooser *self = CC_ALERT_CHOOSER (object);
--
--  g_clear_object (&self->context);
--  g_clear_object (&self->sound_settings);
--
--  G_OBJECT_CLASS (cc_alert_chooser_parent_class)->dispose (object);
--}
--
--void
--cc_alert_chooser_class_init (CcAlertChooserClass *klass)
--{
--  GObjectClass   *object_class = G_OBJECT_CLASS (klass);
--  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
--
--  object_class->dispose = cc_alert_chooser_dispose;
--
--  gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/sound/cc-alert-chooser.ui");
--
--  gtk_widget_class_bind_template_child (widget_class, CcAlertChooser, bark_button);
--  gtk_widget_class_bind_template_child (widget_class, CcAlertChooser, drip_button);
--  gtk_widget_class_bind_template_child (widget_class, CcAlertChooser, glass_button);
--  gtk_widget_class_bind_template_child (widget_class, CcAlertChooser, sonar_button);
--
--  gtk_widget_class_bind_template_callback (widget_class, clicked_cb);
--
--  g_type_ensure (CC_TYPE_SOUND_BUTTON);
--}
--
--void
--cc_alert_chooser_init (CcAlertChooser *self)
--{
--  g_autofree gchar *alert_name = NULL;
--  g_autoptr(GError) error = NULL;
--
--  g_resources_register (cc_sound_get_resource ());
--
--  gtk_widget_init_template (GTK_WIDGET (self));
--
--  self->context = gsound_context_new (NULL, &error);
--  if (self->context == NULL)
--    g_error ("Failed to make sound context: %s", error->message);
--
--  self->sound_settings = g_settings_new (KEY_SOUNDS_SCHEMA);
--
--  alert_name = get_alert_name ();
--  if (g_strcmp0 (alert_name, "bark") == 0)
--    set_button (self, self->bark_button, TRUE);
--  else if (g_strcmp0 (alert_name, "drip") == 0)
--    set_button (self, self->drip_button, TRUE);
--  else if (g_strcmp0 (alert_name, "glass") == 0)
--    set_button (self, self->glass_button, TRUE);
--  else if (g_strcmp0 (alert_name, "sonar") == 0)
--    set_button (self, self->sonar_button, TRUE);
--  else if (alert_name != NULL)
--    g_warning ("Current alert sound has unknown name %s", alert_name);
--}
-diff --git a/panels/sound/cc-alert-chooser.h b/panels/sound/cc-alert-chooser.h
-deleted file mode 100644
-index c6f4b87..0000000
---- a/panels/sound/cc-alert-chooser.h
-+++ /dev/null
-@@ -1,28 +0,0 @@
--/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
-- *
-- * Copyright (C) 2018 Canonical Ltd.
-- *
-- * This program 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 2 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
-- * Lesser 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 <http://www.gnu.org/licenses/>.
-- */
--
--#pragma once
--
--#include <gtk/gtk.h>
--
--G_BEGIN_DECLS
--
--#define CC_TYPE_ALERT_CHOOSER (cc_alert_chooser_get_type ())
--G_DECLARE_FINAL_TYPE (CcAlertChooser, cc_alert_chooser, CC, ALERT_CHOOSER, GtkBox)
--
--G_END_DECLS
-diff --git a/panels/sound/cc-alert-chooser.ui b/panels/sound/cc-alert-chooser.ui
-deleted file mode 100644
-index c673711..0000000
---- a/panels/sound/cc-alert-chooser.ui
-+++ /dev/null
-@@ -1,38 +0,0 @@
--<?xml version="1.0" encoding="UTF-8"?>
--<interface>
--  <!-- interface-requires gtk+ 3.0 -->
--  <template class="CcAlertChooser" parent="GtkBox">
--    <property name="homogeneous">True</property>
--    <style>
--      <class name="linked"/>
--    </style>
--    <child>
--      <object class="CcSoundButton" id="bark_button">
--        <property name="visible">True</property>
--        <property name="label" translatable="yes">Bark</property>
--        <signal name="clicked" handler="clicked_cb" object="CcAlertChooser" swapped="yes"/>
--      </object>
--    </child>
--    <child>
--      <object class="CcSoundButton" id="drip_button">
--        <property name="visible">True</property>
--        <property name="label" translatable="yes">Drip</property>
--        <signal name="clicked" handler="clicked_cb" object="CcAlertChooser" swapped="yes"/>
--      </object>
--    </child>
--    <child>
--      <object class="CcSoundButton" id="glass_button">
--        <property name="visible">True</property>
--        <property name="label" translatable="yes">Glass</property>
--        <signal name="clicked" handler="clicked_cb" object="CcAlertChooser" swapped="yes"/>
--      </object>
--    </child>
--    <child>
--      <object class="CcSoundButton" id="sonar_button">
--        <property name="visible">True</property>
--        <property name="label" translatable="yes">Sonar</property>
--        <signal name="clicked" handler="clicked_cb" object="CcAlertChooser" swapped="yes"/>
--      </object>
--    </child>
--  </template>
--</interface>
-diff --git a/panels/sound/cc-sound-panel.c b/panels/sound/cc-sound-panel.c
-index 5e6e03d..611d2b9 100644
---- a/panels/sound/cc-sound-panel.c
-+++ b/panels/sound/cc-sound-panel.c
-@@ -31,7 +31,6 @@
- #include <gvc-mixer-control.h>
- 
- #include "list-box-helper.h"
--#include "cc-alert-chooser.h"
- #include "cc-balance-slider.h"
- #include "cc-device-combo-box.h"
- #include "cc-fade-slider.h"
-@@ -267,7 +266,6 @@ cc_sound_panel_class_init (CcSoundPanelClass *klass)
-   gtk_widget_class_bind_template_callback (widget_class, output_device_changed_cb);
-   gtk_widget_class_bind_template_callback (widget_class, test_output_configuration_button_clicked_cb);
- 
--  g_type_ensure (CC_TYPE_ALERT_CHOOSER);
-   g_type_ensure (CC_TYPE_BALANCE_SLIDER);
-   g_type_ensure (CC_TYPE_DEVICE_COMBO_BOX);
-   g_type_ensure (CC_TYPE_FADE_SLIDER);
-diff --git a/panels/sound/cc-sound-panel.ui b/panels/sound/cc-sound-panel.ui
-index b5706e2..ab4380a 100644
---- a/panels/sound/cc-sound-panel.ui
-+++ b/panels/sound/cc-sound-panel.ui
-@@ -364,23 +364,6 @@
-                     </child>
-                   </object>
-                 </child>
--                <child>
--                  <object class="GtkLabel">
--                    <property name="visible">True</property>
--                    <property name="xalign">0</property>
--                    <property name="margin-top">18</property>
--                    <property name="label" translatable="yes">Alert Sound</property>
--                    <attributes>
--                      <attribute name="weight" value="bold"/>
--                    </attributes>
--                  </object>
--                </child>
--                <child>
--                  <object class="CcAlertChooser">
--                    <property name="visible">True</property>
--                    <property name="hexpand">True</property>
--                  </object>
--                </child>
-               </object>
-             </child>
-           </object>
-diff --git a/panels/sound/meson.build b/panels/sound/meson.build
-index fa0f128..f47e7f6 100644
---- a/panels/sound/meson.build
-+++ b/panels/sound/meson.build
-@@ -31,7 +31,6 @@ cflags += [
- ]
- 
- sources = files(
--  'cc-alert-chooser.c',
-   'cc-balance-slider.c',
-   'cc-device-combo-box.c',
-   'cc-fade-slider.c',
-@@ -67,7 +66,6 @@ resource_data = files(
-   'icons/audio-speaker-right.svg',
-   'icons/audio-speaker-right-testing.svg',
-   'icons/audio-speaker-testing.svg',
--  'cc-alert-chooser.ui',
-   'cc-balance-slider.ui',
-   'cc-device-combo-box.ui',
-   'cc-fade-slider.ui',
-diff --git a/panels/sound/sound.gresource.xml b/panels/sound/sound.gresource.xml
-index a7b662d..0f6b20f 100644
---- a/panels/sound/sound.gresource.xml
-+++ b/panels/sound/sound.gresource.xml
-@@ -1,7 +1,6 @@
- <?xml version="1.0" encoding="UTF-8"?>
- <gresources>
-   <gresource prefix="/org/gnome/control-center/sound">
--    <file preprocess="xml-stripblanks">cc-alert-chooser.ui</file>
-     <file preprocess="xml-stripblanks">cc-balance-slider.ui</file>
-     <file preprocess="xml-stripblanks">cc-device-combo-box.ui</file>
-     <file preprocess="xml-stripblanks">cc-fade-slider.ui</file>