diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/vertical/VerticalViewPagerImpl.java b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/vertical/VerticalViewPagerImpl.java
index 8f50151e21..d435dd24ea 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/vertical/VerticalViewPagerImpl.java
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/vertical/VerticalViewPagerImpl.java
@@ -95,6 +95,7 @@ import java.util.List;
  * {@sample development/samples/Support13Demos/src/com/example/android/supportv13/app/ActionBarTabsPager.java
  *      complete}
  */
+@SuppressWarnings("deprecation")
 public class VerticalViewPagerImpl extends ViewGroup {
     private static final String TAG = "ViewPager";
     private static final boolean DEBUG = false;
diff --git a/app/src/main/res/values-bg/strings.xml b/app/src/main/res/values-bg/strings.xml
index c9f3be4069..b427312a44 100644
--- a/app/src/main/res/values-bg/strings.xml
+++ b/app/src/main/res/values-bg/strings.xml
@@ -320,10 +320,6 @@
 
     <!-- Backup fragment -->
     <string name="backup">Резервно копие</string>
-    <string name="restore">Възстановяване</string>
-    <string name="backup_please_wait">Създаване на резервно копие. Моля изчакайте…</string>
-    <string name="backup_completed">Резервното копие бе успешно възстановено.</string>
-    <string name="restore_please_wait">Възстановяване на резервно копие. Моля изчакайте...</string>
 
     <!-- Recent manga fragment -->
     <string name="recent_manga_source">%1$s - Гл.%2$s</string>
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 574305d9cd..61a2473b1a 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -253,10 +253,6 @@
 
     <!-- Backup fragment -->
     <string name="backup">Copia de seguridad</string>
-    <string name="restore">Restaurar</string>
-    <string name="backup_please_wait">Copia de seguridad en curso. Por favor espere…</string>
-    <string name="backup_completed">Copia de seguridad restaurada con éxito</string>
-    <string name="restore_please_wait">Restaurando copia de seguridad. Por favor espere…</string>
 
     <!-- Recent manga fragment -->
     <string name="recent_manga_source">%1$s - Ch.%2$s</string>
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 7db4e067e2..4effc2afd5 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -302,9 +302,6 @@
 
     <!-- Backup fragment -->
     <string name="backup">Sauvegarder</string>
-    <string name="restore">Restaurer</string>
-    <string name="backup_please_wait">Sauvegarde en cours. Veuillez patienter…</string>
-    <string name="backup_completed">Sauvegarde restaurée avec succès</string>
 
     <!-- Recent manga fragment -->
     <string name="recent_manga_source">%1$s - Ch.%2$s</string>
@@ -370,7 +367,6 @@
     <string name="notification_not_connected_to_ac_title">Synchronisation annulée</string>
     <string name="pref_clear_chapter_cache">Effacer le cache des chapitres</string>
     <string name="pref_remove_after_marked_as_read">Supprimer quand marqué comme lu</string>
-    <string name="restore_please_wait">Restauration de la sauvegarde. Veuillez patienter…</string>
     <string name="rounded_icon">Icône ronde</string>
     <string name="sort_by_source">Par source</string>
     <string name="system_default">Par défaut système</string>
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index 3bca113031..aeec655420 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -79,7 +79,6 @@
     <string name="pref_category_reader">Lettore</string>
     <string name="pref_category_downloads">Download</string>
     <string name="pref_category_sources">Fonti</string>
-    <string name="pref_category_sync">Sincronizzazione</string>
     <string name="pref_category_advanced">Avanzate</string>
     <string name="pref_category_about">Informazioni</string>
 
@@ -276,7 +275,6 @@
     <string name="plan_to_read">Lettura pianificata</string>
     <string name="score">Punteggio</string>
     <string name="title">Titolo</string>
-    <string name="title_hint">Titolo…</string>
     <string name="status">Stato</string>
     <string name="chapters">Capitoli</string>
 
@@ -310,10 +308,6 @@
 
     <!-- Backup fragment -->
     <string name="backup">Backup</string>
-    <string name="restore">Ripristina</string>
-    <string name="backup_please_wait">Backup in corso. Attendere prego…</string>
-    <string name="backup_completed">Backup ripristinato con successo</string>
-    <string name="restore_please_wait">Ripristino backup in corso. Attendere prego…</string>
 
     <!-- Recent manga fragment -->
     <string name="recent_manga_source">%1$s - Cap.%2$s</string>
diff --git a/app/src/main/res/values-pt/strings.xml b/app/src/main/res/values-pt/strings.xml
index 3c4d015fa1..5205a312c0 100644
--- a/app/src/main/res/values-pt/strings.xml
+++ b/app/src/main/res/values-pt/strings.xml
@@ -66,7 +66,6 @@
     <string name="pref_category_reader">Leitor</string>
     <string name="pref_category_downloads">Transferências</string>
     <string name="pref_category_sources">Fontes</string>
-    <string name="pref_category_sync">Sincronização</string>
     <string name="pref_category_advanced">Avançado</string>
     <string name="pref_category_about">Sobre</string>
 
@@ -259,10 +258,6 @@
 
     <!-- Backup fragment -->
     <string name="backup">Cópia de segurança</string>
-    <string name="restore">Restaurar</string>
-    <string name="backup_please_wait">Cópia de segurança em curso. Por favor aguarde…</string>
-    <string name="backup_completed">Cópia de segurança restaurada com sucesso</string>
-    <string name="restore_please_wait">A restaurar cópia de segurança. Por favor aguarde…</string>
 
     <!-- Recent manga fragment -->
     <string name="recent_manga_source">%1$s - Cap.%2$s</string>
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index 34c4c06d58..a7171a189a 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -58,8 +58,6 @@
     <string name="add_to_library">Добавить в библиотеку</string>
     <string name="all">Все</string>
     <string name="backup">Создать</string>
-    <string name="backup_completed">Бэкап успешна загружена</string>
-    <string name="backup_please_wait">Бэкап создается. Пожалуйста подождите...</string>
     <string name="black_background">Черный</string>
     <string name="build_time">Дата сборки</string>
     <string name="cache_delete_error">Возникла ошибка при удалении кэша</string>
@@ -124,7 +122,6 @@
     <string name="file_select_backup">Выбрать файл бэкапа</string>
     <string name="file_select_cover">Выбрать обложку</string>
     <string name="file_select_icon">Выбрать ярлык</string>
-    <string name="font_roboto_medium"/>
     <string name="fourth_to_last">Четвертую от прочитанной</string>
     <string name="icon_creation_fail">Невозможно создать ярлык!</string>
     <string name="icon_shape">Форма иконки</string>
@@ -187,7 +184,6 @@
     <string name="portrait">Вертикальная</string>
     <string name="pref_acra_summary">Помогает исправлять любые баги. Личные данные не передаются</string>
     <string name="pref_ask_update_manga_sync">Подтвердите перед обновлением</string>
-    <string name="pref_ask_update_manga_sync_key"/>
     <string name="pref_auto_update_manga_sync">Синхронизировать главы после прочтения</string>
     <string name="pref_category_about">Информация</string>
     <string name="pref_category_advanced">Дополнительно</string>
@@ -239,8 +235,6 @@
     <string name="reading">В процессе чтения</string>
     <string name="recent_manga_source">%1$s - Гл.%2$s</string>
     <string name="remove_from_library">Удалить из библиотеки</string>
-    <string name="restore">Восстановить</string>
-    <string name="restore_please_wait">Восстановление бэкапа. Подождите пожалуйста...</string>
     <string name="right_to_left_viewer">Справа налево</string>
     <string name="rotation_force_landscape">Горизонтальная</string>
     <string name="rotation_force_portrait">Вертикальная</string>
diff --git a/app/src/main/res/values-vi/strings.xml b/app/src/main/res/values-vi/strings.xml
index 19deaec102..a47255ae0d 100644
--- a/app/src/main/res/values-vi/strings.xml
+++ b/app/src/main/res/values-vi/strings.xml
@@ -319,10 +319,6 @@
 
     <!-- Backup fragment -->
     <string name="backup">Sao lưu</string>
-    <string name="restore">Khôi phục</string>
-    <string name="backup_please_wait">Đang sao lưu. Vui lòng đợi…</string>
-    <string name="backup_completed">Đã sao lưu thành công</string>
-    <string name="restore_please_wait">Đang khôi phục. Vui lòng đợi…</string>
 
     <!-- Recent manga fragment -->
     <string name="recent_manga_source">%1$s - Ch.%2$s</string>