diff --git a/app/src/main/res/drawable/ic_book.xml b/app/src/main/res/drawable/ic_book.xml
deleted file mode 100644
index 78b11ace7..000000000
--- a/app/src/main/res/drawable/ic_book.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<!-- drawable/book_outline.xml -->
-<vector
-	xmlns:android="http://schemas.android.com/apk/res/android"
-	android:width="24dp"
-	android:height="24dp"
-	android:tint="?attr/colorControlNormal"
-	android:viewportWidth="24"
-	android:viewportHeight="24">
-	<path
-		android:fillColor="#000"
-		android:pathData="M18,2A2,2 0 0,1 20,4V20A2,2 0 0,1 18,22H6A2,2 0 0,1 4,20V4A2,2 0 0,1 6,2H18M18,4H13V12L10.5,9.75L8,12V4H6V20H18V4Z" />
-</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_information.xml b/app/src/main/res/drawable/ic_information.xml
deleted file mode 100644
index f34c14224..000000000
--- a/app/src/main/res/drawable/ic_information.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<vector
-	xmlns:android="http://schemas.android.com/apk/res/android"
-	android:width="24dp"
-	android:height="24dp"
-	android:tint="?attr/colorControlNormal"
-	android:viewportWidth="24"
-	android:viewportHeight="24">
-	<path
-		android:fillColor="#000"
-		android:pathData="M11,9H13V7H11M12,20C7.59,20 4,16.41 4,12C4,7.59 7.59,4 12,4C16.41,4 20,7.59 20,12C20,16.41 16.41,20 12,20M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2M11,17H13V11H11V17Z" />
-</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_palette.xml b/app/src/main/res/drawable/ic_palette.xml
deleted file mode 100644
index a3f5c142b..000000000
--- a/app/src/main/res/drawable/ic_palette.xml
+++ /dev/null
@@ -1,23 +0,0 @@
-<vector
-	xmlns:android="http://schemas.android.com/apk/res/android"
-	android:width="24dp"
-	android:height="24dp"
-	android:tint="?attr/colorControlNormal"
-	android:viewportWidth="24.0"
-	android:viewportHeight="24.0">
-	<path
-		android:fillColor="@android:color/white"
-		android:pathData="M12,22C6.49,22 2,17.51 2,12S6.49,2 12,2s10,4.04 10,9c0,3.31 -2.69,6 -6,6h-1.77c-0.28,0 -0.5,0.22 -0.5,0.5 0,0.12 0.05,0.23 0.13,0.33 0.41,0.47 0.64,1.06 0.64,1.67 0,1.38 -1.12,2.5 -2.5,2.5zM12,4c-4.41,0 -8,3.59 -8,8s3.59,8 8,8c0.28,0 0.5,-0.22 0.5,-0.5 0,-0.16 -0.08,-0.28 -0.14,-0.35 -0.41,-0.46 -0.63,-1.05 -0.63,-1.65 0,-1.38 1.12,-2.5 2.5,-2.5L16,15c2.21,0 4,-1.79 4,-4 0,-3.86 -3.59,-7 -8,-7z" />
-	<path
-		android:fillColor="@android:color/white"
-		android:pathData="M6.5,11.5m-1.5,0a1.5,1.5 0,1 1,3 0a1.5,1.5 0,1 1,-3 0" />
-	<path
-		android:fillColor="@android:color/white"
-		android:pathData="M9.5,7.5m-1.5,0a1.5,1.5 0,1 1,3 0a1.5,1.5 0,1 1,-3 0" />
-	<path
-		android:fillColor="@android:color/white"
-		android:pathData="M14.5,7.5m-1.5,0a1.5,1.5 0,1 1,3 0a1.5,1.5 0,1 1,-3 0" />
-	<path
-		android:fillColor="@android:color/white"
-		android:pathData="M17.5,11.5m-1.5,0a1.5,1.5 0,1 1,3 0a1.5,1.5 0,1 1,-3 0" />
-</vector>
diff --git a/app/src/main/res/drawable/ic_web.xml b/app/src/main/res/drawable/ic_web.xml
deleted file mode 100644
index 1a770a30c..000000000
--- a/app/src/main/res/drawable/ic_web.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector
-	xmlns:android="http://schemas.android.com/apk/res/android"
-	android:width="24dp"
-	android:height="24dp"
-	android:tint="?attr/colorControlNormal"
-	android:viewportWidth="24"
-	android:viewportHeight="24">
-	<path
-		android:fillColor="#000"
-		android:pathData="M16.36,14C16.44,13.34 16.5,12.68 16.5,12C16.5,11.32 16.44,10.66 16.36,10H19.74C19.9,10.64 20,11.31 20,12C20,12.69 19.9,13.36 19.74,14M14.59,19.56C15.19,18.45 15.65,17.25 15.97,16H18.92C17.96,17.65 16.43,18.93 14.59,19.56M14.34,14H9.66C9.56,13.34 9.5,12.68 9.5,12C9.5,11.32 9.56,10.65 9.66,10H14.34C14.43,10.65 14.5,11.32 14.5,12C14.5,12.68 14.43,13.34 14.34,14M12,19.96C11.17,18.76 10.5,17.43 10.09,16H13.91C13.5,17.43 12.83,18.76 12,19.96M8,8H5.08C6.03,6.34 7.57,5.06 9.4,4.44C8.8,5.55 8.35,6.75 8,8M5.08,16H8C8.35,17.25 8.8,18.45 9.4,19.56C7.57,18.93 6.03,17.65 5.08,16M4.26,14C4.1,13.36 4,12.69 4,12C4,11.31 4.1,10.64 4.26,10H7.64C7.56,10.66 7.5,11.32 7.5,12C7.5,12.68 7.56,13.34 7.64,14M12,4.03C12.83,5.23 13.5,6.57 13.91,8H10.09C10.5,6.57 11.17,5.23 12,4.03M18.92,8H15.97C15.65,6.75 15.19,5.55 14.59,4.44C16.43,5.07 17.96,6.34 18.92,8M12,2C6.47,2 2,6.5 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2Z" />
-</vector>
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_sources_pref_divider.xml b/app/src/main/res/layout/item_sources_pref_divider.xml
deleted file mode 100644
index 42bc92f79..000000000
--- a/app/src/main/res/layout/item_sources_pref_divider.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<TextView
-	xmlns:android="http://schemas.android.com/apk/res/android"
-	android:layout_width="match_parent"
-	android:layout_height="@dimen/header_height"
-	android:background="?attr/colorButtonNormal"
-	android:gravity="start|center_vertical"
-	android:paddingStart="?listPreferredItemPaddingStart"
-	android:paddingEnd="?listPreferredItemPaddingEnd"
-	android:text="@string/put_items_below_to_disable_it"
-	android:textAppearance="@style/TextAppearance.MaterialComponents.Body1"
-	android:textColor="?android:textColorPrimary" />
\ No newline at end of file
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index 817bc82bf..73b45a45b 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -34,16 +34,13 @@
 	<string name="share_s">Поделиться %s</string>
 	<string name="search">Поиск</string>
 	<string name="search_manga">Поиск манги</string>
-	<string name="search_results">Результаты поиска</string>
 	<string name="manga_downloading_">Загрузка манги…</string>
-	<string name="preparing_">Подготовка…</string>
 	<string name="processing_">Обработка…</string>
 	<string name="download_complete">Загрузка завершена</string>
 	<string name="downloads">Загрузки</string>
 	<string name="save_this_chapter_and_prev">Сохранить предыдущие главы</string>
 	<string name="save_this_chapter_and_next">Сохранить следующие главы</string>
 	<string name="save_this_chapter">Сохранить эту главу</string>
-	<string name="no_saved_manga">Нет сохранённой манги</string>
 	<string name="by_name">По имени</string>
 	<string name="popular">Популярная</string>
 	<string name="updated">Обновлённая</string>
@@ -53,7 +50,6 @@
 	<string name="sort_order">Сортировка</string>
 	<string name="genre">Жанр</string>
 	<string name="filter">Фильтр</string>
-	<string name="appearance">Оформление</string>
 	<string name="theme">Тема</string>
 	<string name="light">Светлая</string>
 	<string name="dark">Тёмная</string>
@@ -80,7 +76,6 @@
 	<string name="standard">Стандартный</string>
 	<string name="webtoon">Манхва</string>
 	<string name="read_mode">Режим чтения</string>
-	<string name="put_items_below_to_disable_it">Put items below to disable it</string>
 	<string name="grid_size">Размер таблицы</string>
 	<string name="search_results_on_s">Результаты поиска по %s</string>
 	<string name="delete_manga">Удалить мангу</string>
@@ -95,7 +90,6 @@
 	<string name="dont_ask_again">Больше не спрашивать</string>
 	<string name="cancelling_">Отмена…</string>
 	<string name="error">Ошибка</string>
-    <string name="nothing">Ничего</string>
 	<string name="clear_thumbs_cache">Очистить кэш миниатюр</string>
     <string name="clear_search_history">Очистить историю поиска</string>
     <string name="search_history_cleared">История поиска очищена</string>
@@ -106,7 +100,6 @@
     <string name="_default">По умолчанию</string>
     <string name="application_update">Обновление приложения</string>
 	<string name="app_update_available">Доступно обновление приложения</string>
-    <string name="about_app">О программе</string>
 	<string name="show_notification_app_update">Показывать уведомление при наличии новой версии</string>
 	<string name="open_in_browser">Открыть в браузере</string>
 	<string name="large_manga_save_confirm">В этой манге %d глав. Вы уверены, что хотите сохранить их все?</string>
diff --git a/app/src/main/res/values/constants.xml b/app/src/main/res/values/constants.xml
index f46ccf0fc..4393bae41 100644
--- a/app/src/main/res/values/constants.xml
+++ b/app/src/main/res/values/constants.xml
@@ -8,7 +8,6 @@
 	<string name="key_pages_cache_clear">pages_cache_clear</string>
 	<string name="key_thumbs_cache_clear">thumbs_cache_clear</string>
 	<string name="key_search_history_clear">search_history_clear</string>
-	<string name="key_reading_history_clear">reading_history_clear</string>
 	<string name="key_grid_size">grid_size</string>
 	<string name="key_remote_sources">remote_sources</string>
 	<string name="key_reader_switchers">reader_switchers</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 0a1b6791f..b2e26abc4 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -35,16 +35,13 @@
 	<string name="share_s">Share %s</string>
 	<string name="search">Search</string>
     <string name="search_manga">Search manga</string>
-	<string name="search_results">Search results</string>
-    <string name="manga_downloading_">Manga downloading…</string>
-	<string name="preparing_">Preparing…</string>
+	<string name="manga_downloading_">Manga downloading…</string>
 	<string name="processing_">Processing…</string>
 	<string name="download_complete">Download complete</string>
 	<string name="downloads">Downloads</string>
 	<string name="save_this_chapter_and_prev">Save this chapter and prev.</string>
 	<string name="save_this_chapter_and_next">Save this chapter and next</string>
 	<string name="save_this_chapter">Save this chapter</string>
-	<string name="no_saved_manga">No saved manga</string>
 	<string name="by_name">By name</string>
 	<string name="popular">Popular</string>
 	<string name="updated">Updated</string>
@@ -54,8 +51,7 @@
 	<string name="sort_order">Sort order</string>
 	<string name="genre">Genre</string>
 	<string name="filter">Filter</string>
-	<string name="appearance">Appearance</string>
-    <string name="theme">Theme</string>
+	<string name="theme">Theme</string>
 	<string name="light">Light</string>
 	<string name="dark">Dark</string>
 	<string name="automatic">Automatic</string>
@@ -81,7 +77,6 @@
 	<string name="standard">Standard</string>
 	<string name="webtoon">Webtoon</string>
 	<string name="read_mode">Read mode</string>
-	<string name="put_items_below_to_disable_it">Put items below to disable it</string>
 	<string name="grid_size">Grid size</string>
 	<string name="search_results_on_s">Search results on %s</string>
     <string name="delete_manga">Delete manga</string>
@@ -96,7 +91,6 @@
 	<string name="dont_ask_again">Don`t ask again</string>
 	<string name="cancelling_">Cancelling…</string>
 	<string name="error">Error</string>
-    <string name="nothing">Nothing</string>
 	<string name="clear_thumbs_cache">Clear thumbnails cache</string>
     <string name="clear_search_history">Clear search history</string>
     <string name="search_history_cleared">Search history cleared</string>
@@ -107,7 +101,6 @@
     <string name="_default">Default</string>
     <string name="application_update">Application update</string>
 	<string name="app_update_available">Application update is available</string>
-    <string name="about_app">About</string>
 	<string name="show_notification_app_update">Show notification if update is available</string>
 	<string name="open_in_browser">Open in browser</string>
 	<string name="large_manga_save_confirm">This manga has %d chapters. Do you want to save all of it?</string>