diff --git a/src/main/res/values-ast/strings.xml b/src/main/res/values-ast/strings.xml
deleted file mode 100644
index 4038dcf..0000000
--- a/src/main/res/values-ast/strings.xml
+++ /dev/null
@@ -1,136 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
- /*
- * Copyright (c) 2014-2015, Loic Blot <loic.blot@unix-experience.fr>
- * All rights reserved.
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
--->
-<resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
-
-    <!-- Translation version, reference for translators -->
-    <string name="translation_version">7</string>
-
-    <!-- System strings, do not translate -->
-    <string name="app_name">Nextcloud SMS</string>
-    <string name="login_logo">Logu d\'aniciu de sesión</string>
-
-    <string name="pref_title_slow_sync">SMS - Lentu y seguru</string>
-    <string name="action_settings">Axustes</string>
-    <string name="sync_now">Sincronizar agora</string>
-    <string name="pref_category_sync">Sincronización</string>
-    <string name="title_global_pref_to_general_prefs">Preferencies xenerales</string>
-    <string name="summary_global_pref_to_general_prefs">Opciones de sincronización</string>
-    <string name="summary_notif_prefs">Avisos</string>
-    <string name="pref_header_data_sync">Datos &amp; sincronización</string>
-    <string name="title_activity_general_settings">Axustes xenerales</string>
-
-    <string-array name="pref_sync_frequency_titles">
-        <item>5 minutos</item>
-        <item>15 minutos</item>
-        <item>30 minutos</item>
-        <item>1 hora</item>
-        <item>3 hores</item>
-        <item>6 hores</item>
-        <item>12 hores</item>
-        <item>24 hores</item>
-        <item>Enxamás</item>
-    </string-array>
-    <string-array name="pref_sync_bulk_max_messages_titles">
-        <item>100 SMS</item>
-        <item>1000 SMS</item>
-        <item>2000 SMS</item>
-        <item>5000 SMS</item>
-        <item>10000 SMS</item>
-        <item>25000 SMS</item>
-        <item>Nun se sincroniza cada SMS</item>
-    </string-array>
-    <string-array name="pref_slow_sync_frequency_titles">
-        <item>1 hora</item>
-        <item>3 hores</item>
-        <item>6 hores</item>
-        <item>12 hores</item>
-        <item>24 hores</item>
-        <item>Enxamás</item>
-    </string-array>
-    <string name="pref_sync_wifi">Sicronizar na Wi-Fi</string>
-    <string name="pref_sync_4g">Sincronizar na 4G</string>
-    <string name="pref_sync_3g">Sincronizar na 3G</string>
-    <string name="pref_sync_gprs">Sincronizar na 2.5G (GPRS)</string>
-    <string name="pref_sync_2g">Sincronizar na 2G</string>
-    <string name="pref_sync_others">Sincronizar n\'otros moos</string>
-    <string name="title_activity_login">Aniciar sesión</string>
-
-    <!-- Login -->
-    <string name="prompt_login">Aniciu de sesión</string>
-    <string name="prompt_password">Contraseña</string>
-    <string name="action_sign_in">Aniciar sesión o rexistrase</string>
-    <string name="action_sign_in_short">Aniciar sesión</string>
-    <string name="error_invalid_login">Anicio de sesión o contraseña incorreutos</string>
-    <string name="error_invalid_password">Esta contraseña ye percurtia</string>
-    <string name="error_field_required">Ríquese esti campu</string>
-    <string name="prompt_serverURI">Direición del sirvidor</string>
-    <string name="error_connection_failed">Falló la conexón, asegúrate de qu\'esti ye\'l sirvidor correutu</string>
-    <string name="ma_title_welcome">Afáyate</string>
-    <string name="ma_title_remote_account">Cuenta remota</string>
-    <string name="choose_account">Esbillar cuenta</string>
-
-    <!-- Restauration -->
-    <string name="title_activity_select_account">Esbillar cuenta</string>
-    <string name="title_activity_select_contact">Esbillar contautu</string>
-    <string name="no_account_configured">Nun se configuraron cuentes.</string>
-
-    <string name="fatal_error">¡Fallu fatal!</string>
-
-    <string name="err_sync_craft_http_request">Fallu #2: Fallu entrín s\'ellaboraba la solicitú HTTP</string>
-    <string name="err_sync_create_json_request_encoding">Fallu #7: Codificación non sofitada al xenerar la solicitú</string>
-    <string name="err_sync_auth_failed">Fallu #8: Fallu d\'autenticación</string>
-    <string name="err_sync_http_request_connect">Fallu #11: Nun pue facese una conexón cola instancia de Nextcloud</string>
-    <string name="err_sync_http_request_httpexception">Fallu #12: Nun pue facese una conexón cola instancia de Nextcloud</string>
-    <string name="err_sync_http_request_ioexception">Fallu #13: Nun pue facese una conexón cola instancia de Nextcloud</string>
-    <string name="err_sync_http_request_resp">Fallu #14: Nun pue analizase la rempuesta\'l sirvidor</string>
-    <string name="err_sync_http_request_parse_resp">Fallu #15: Nun pue analizase la rempuesta\'l sirvidor</string>
-    <string name="err_sync_no_connection_available">Fallu #16: Nun hai una conexón disponible de datos</string>
-    <string name="err_fetch_phonelist">Recibióse del sirvidor un llistín telefónicu non válidu</string>
-    <string name="err_proto_v2">El sirvidor nun sofita esta carauterística. Asegúrate que\'l sirvidor tien polo menos la versión 1.6.</string>
-    <string name="subtitle_contact_phones">- Teléfonos de contautu</string>
-    <string name="contactinfos_list">Llistáu de contautos</string>
-    <string name="function_not_available">Esta función entá nun ta disponible.</string>
-
-    <string name="ui_notification_title_template">Nextcloud SMS: %1$s</string>
-    <string name="title_activity_main2">Main2Activity</string>
-
-    <string name="navigation_drawer_open">Abrir caxón de navegación</string>
-    <string name="ma_title_my_accounts">Les mios cuentes</string>
-    <string name="cancel">Encaboxar</string>
-    <string name="understood">Entendío</string>
-    <string name="notif_permission_required">Ríquense permisos</string>
-    <string name="err_cannot_read_contacts">Nun podemos lleer los tos contautos</string>
-    <string name="err_cannot_read_sms">Nun podemos lleer los tos SMS.</string>
-    <string name="nothing_to_sync">Nun hai nada pa sincronizar.</string>
-    <string name="fix_permissions">Iguar permisos</string>
-    <string name="err_kitkat_required">Ríquese Android 4.4 o mayor pa usar esta carauterística.</string>
-    <string name="restore_finished">Agora finó la restauración de SMS</string>
-    <string name="x_messages_restored">mensaxes restauraos&#8230;</string>
-    <string name="err_no_connection">Nun hai conexón disponible, por favor asegúrate que tienes una conexón válida de datos.</string>
-    <string name="yes_confirm">Sí</string>
-    <string name="no_confirm">Non</string>
-    </resources>