diff --git a/app/src/main/res/layout/widget_gallery_guide_1.xml b/app/src/main/res/layout/widget_gallery_guide_1.xml
deleted file mode 100644
index 2c1cf1879..000000000
--- a/app/src/main/res/layout/widget_gallery_guide_1.xml
+++ /dev/null
@@ -1,47 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<merge xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <TextView
-        style="@style/Guide.Title"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:gravity="center"
-        android:text="@string/guide_gallery_left" />
-
-    <TextView
-        style="@style/Guide.Title"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:gravity="center"
-        android:text="@string/guide_gallery_right" />
-
-    <TextView
-        style="@style/Guide.Title"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:gravity="center"
-        android:text="@string/guide_gallery_menu" />
-
-    <TextView
-        style="@style/Guide.Title"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:gravity="center"
-        android:text="@string/guide_gallery_progress" />
-
-</merge>
diff --git a/app/src/main/res/layout/widget_gallery_guide_2.xml b/app/src/main/res/layout/widget_gallery_guide_2.xml
deleted file mode 100644
index 8a0cebc2a..000000000
--- a/app/src/main/res/layout/widget_gallery_guide_2.xml
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<merge xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <TextView
-        style="@style/Guide.Title"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:gravity="center"
-        android:text="@string/guide_gallery_long_click" />
-
-</merge>
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 856c7a03a..b4e39bc44 100755
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -35,8 +35,6 @@
     <string name="text_is_empty">Der Text wird nicht eingegeben</string>
     <string name="waring">Achtung</string>
     <string name="wrong_cookie_warning">Die eingegebenen Cookies sehen korrekt nicht aus. Überprüfe sie.</string>
-    <string name="i_will_check_it">In Ordnung!</string>
-    <string name="i_dont_think_so">Sie sind absolut korrekt!</string>
     <string name="found_cookies">Cookies werden gefunden</string>
     <string name="invalid_download_location">Der Downloadpfad ist nicht verfügbar. Geh zu die Einstellungen und stelle einen neue Pfad fest.</string>
     <string name="error_bad_status_code">Inkorrekter Statuscode: %d</string>
@@ -49,7 +47,6 @@
     <string name="error_cannot_parse_the_url">Die URL konnte analysiert nicht werden</string>
     <string name="error_not_folder_path">Der Ordnerpfad ist ungültig</string>
     <string name="error_decoding_failed">Dekodierung fehlgeschlagen</string>
-    <string name="error_empty">Leer</string>
     <string name="error_reading_failed">Lesefehler</string>
     <string name="error_out_of_range">Außer Reichweite</string>
     <string name="error_write_failed">Schreibfehler</string>
@@ -261,12 +258,6 @@
     <string name="edit_host_delete">Entfernen</string>
     <string name="invalid_host">Ungültiger Host</string>
     <string name="invalid_ip">Ungültige IP</string>
-    <string name="page_menu_title">Seite %d</string>
-    <string name="page_menu_refresh">@string/refresh</string>
-    <string name="page_menu_share">@string/share</string>
-    <string name="page_menu_save">Speichern</string>
-    <string name="page_menu_save_to">Speichern unter …</string>
-    <string name="gallery_menu_title">Menü</string>
     <string name="share_image">Das Bild teilen</string>
     <string name="image_saved">Das Bild wurde zu %s gespeichert</string>
     <string name="settings_eh">EH</string>
@@ -374,11 +365,6 @@
     <string name="collections">Kollektionen</string>
     <string name="need_sign_in">Du musst dich zuerst anmelden</string>
     <string name="error_something_wrong_happened">Ein Fehler ist aufgetreten</string>
-    <string name="guide_gallery_left">Seiten umblättern</string>
-    <string name="guide_gallery_right">Seiten umblättern</string>
-    <string name="guide_gallery_menu">Menü</string>
-    <string name="guide_gallery_progress">Fortschitt</string>
-    <string name="guide_gallery_long_click">Drücken und halten, um Seitemenü zu öffnen</string>
     <string name="from_the_future">Von der Zukunft</string>
     <string name="just_now">Gerade</string>
     <string name="yesterday">Gestern</string>
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 327f150cc..ec59788ef 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -41,8 +41,6 @@
     <string name="text_is_empty">El texto está vacío</string>
     <string name="waring">Advertencia</string>
     <string name="wrong_cookie_warning">Parece que las cookies que ingresaste son incorrectas. Debe revisarlos.</string>
-    <string name="i_will_check_it">Comprobar ahora</string>
-    <string name="i_dont_think_so">No lo creo</string>
     <string name="found_cookies">¡Cookies encontradas!</string>
 
     <string name="invalid_download_location">Parece que la ubicación de descarga no está disponible. Establece la ubicación en Configuración.</string>
@@ -57,7 +55,6 @@
     <string name="error_cannot_parse_the_url">No se puede analizar el URL</string>
     <string name="error_not_folder_path">Sin ruta del directorio</string>
     <string name="error_decoding_failed">Decodificación fallida</string>
-    <string name="error_empty">Vacío</string>
     <string name="error_reading_failed">Lectura Fallida</string>
     <string name="error_out_of_range">Fuera de rango</string>
     <string name="error_write_failed">Falla en la escritura</string>
@@ -278,11 +275,6 @@
     <!-- Set Security -->
 
     <!-- Gallery Activity -->
-    <string name="page_menu_title">Página %d</string>
-    <string name="page_menu_refresh">@string/refresh</string>
-    <string name="page_menu_share">@string/share</string>
-    <string name="page_menu_save">Guardar</string>
-    <string name="gallery_menu_title">Menú</string>
     <string name="share_image">Compartir imagen</string>
     <string name="image_saved">Imagen guardada en  %s</string>
 
@@ -429,11 +421,6 @@
     <!-- Progress Scene -->
 
     <!-- Guide -->
-    <string name="guide_gallery_left">Cambiar de página</string>
-    <string name="guide_gallery_right">Cambiar de página</string>
-    <string name="guide_gallery_menu">Menú</string>
-    <string name="guide_gallery_progress">Progreso</string>
-    <string name="guide_gallery_long_click">Pulso largo para abrir el menú de página</string>
 
     <!-- Readable Time -->
     <string name="from_the_future">Desde el futuro</string>
@@ -501,7 +488,6 @@
 
     <string name="settings_privacy_secure">Impedir capturas de pantalla</string>
     <string name="settings_privacy_secure_summary">Si habilitas esta opción no podrás hacer captura de pantalla y el sistema no mostrará una previsualización en el multitareas.\n\nDeberás reiniciar la aplicación para activar esta función.</string>
-    <string name="page_menu_save_to">Guardar en…</string>
     <string name="u_config">Ajustes EHentai</string>
     <string name="apply">Aplicar</string>
     <string name="apply_tip">Toca la marca de verificación para guardar los cambios</string>
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index c2ea22c79..bffd33a4e 100755
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -41,8 +41,6 @@
     <string name="text_is_empty">Entrez le texte.</string>
     <string name="waring">Attention</string>
     <string name="wrong_cookie_warning">Les cookies entrés n\'ont pas l\'air corrects. Vérifiez-les.</string>
-    <string name="i_will_check_it">Je les vérifie tout le suite.</string>
-    <string name="i_dont_think_so">Ils sont corrects !</string>
     <string name="found_cookies">Cookies trouvés</string>
 
     <string name="invalid_download_location">La location de téléchargement actuelle n\'est pas disponible. Choissez-en une à nouveau dans les Paramétres.</string>
@@ -57,7 +55,6 @@
     <string name="error_cannot_parse_the_url">Impossible de parser le lien URL</string>
     <string name="error_not_folder_path">Chemin de dossier invalide</string>
     <string name="error_decoding_failed">Échec de décodage</string>
-    <string name="error_empty">Vide</string>
     <string name="error_reading_failed">Échec de lecture</string>
     <string name="error_out_of_range">Hors de portée</string>
     <string name="error_write_failed">Échec d\'écriture</string>
@@ -316,11 +313,6 @@
     <string name="apply_tip">Appuyez sur la coche pour sauvegarder les changements</string>
 
     <!-- Gallery Activity -->
-    <string name="page_menu_title">Page %d</string>
-    <string name="page_menu_refresh">@string/refresh</string>
-    <string name="page_menu_share">@string/share</string>
-    <string name="page_menu_save">Enregistrer</string>
-    <string name="gallery_menu_title">Menu</string>
     <string name="share_image">Partager l\'image</string>
     <string name="image_saved">Image sauvegardée à %s</string>
 
@@ -472,11 +464,6 @@
     <string name="error_something_wrong_happened">Une erreur s\'est produite</string>
 
     <!-- Guide -->
-    <string name="guide_gallery_left">Tourner la page</string>
-    <string name="guide_gallery_right">Tourner la page</string>
-    <string name="guide_gallery_menu">Menu</string>
-    <string name="guide_gallery_progress">Progrès</string>
-    <string name="guide_gallery_long_click">Maintenez pour ouvrir le menu de page</string>
 
     <!-- Readable Time -->
     <string name="from_the_future">Du futur</string>
@@ -530,7 +517,6 @@
     <string name="edit_host_delete">Supprimer</string>
     <string name="invalid_host">Hôte invalide</string>
     <string name="invalid_ip">IP invalide</string>
-    <string name="page_menu_save_to">Enregistrer sous…</string>
     <string name="settings_advanced_app_language_title">Langue de l\'app (Language)</string>
     <string name="settings_advanced_built_in_hosts_title">hosts.txt integré</string>
     <string name="settings_advanced_proxy">Serveur proxy</string>
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index bf5e5a84d..9d1105761 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -39,8 +39,6 @@
     <string name="text_is_empty">テキストを入力してください</string>
     <string name="waring">警告</string>
     <string name="wrong_cookie_warning">入力したCookieは正しくないようです。確認してください。</string>
-    <string name="i_will_check_it">はい</string>
-    <string name="i_dont_think_so">再試行</string>
     <string name="found_cookies">Cookieが見つかりました</string>
 
     <string name="invalid_download_location">ダウンロードパスは現在利用できません。ダウンロードパスを設定してください。</string>
@@ -55,7 +53,6 @@
     <string name="error_cannot_parse_the_url">リンクを解析できません。</string>
     <string name="error_not_folder_path">フォルダが見つかりません。</string>
     <string name="error_decoding_failed">デコードに失敗しました。</string>
-    <string name="error_empty">空</string>
     <string name="error_reading_failed">読み込めませんでした。</string>
     <string name="error_out_of_range">範囲外です。</string>
     <string name="error_write_failed">書き込めませんでした</string>
@@ -313,11 +310,6 @@
     <string name="apply_tip">右上隅のチェックマークをタップして設定を保存します。</string>
 
     <!-- Gallery Activity -->
-    <string name="page_menu_title">ページ%d</string>
-    <string name="page_menu_refresh">@string/refresh</string>
-    <string name="page_menu_share">@string/share</string>
-    <string name="page_menu_save">保存</string>
-    <string name="gallery_menu_title">メニュー</string>
     <string name="share_image">画像を共有</string>
     <string name="image_saved">画像は%sに保存されました</string>
 
@@ -468,10 +460,6 @@
     <string name="error_something_wrong_happened">エラーが発生しました</string>
 
     <!-- Guide -->
-    <string name="guide_gallery_left">ページをめくる</string>
-    <string name="guide_gallery_right">ページをめくる</string>
-    <string name="guide_gallery_menu">メニュー</string>
-    <string name="guide_gallery_progress">プログレスバー</string>
 
     <!-- Readable Time -->
     <string name="from_the_future">未来から</string>
@@ -515,7 +503,6 @@
     <string name="settings_advanced_clear_download_path_cache_summary">ギャラリー ダウンロード パスは無効なようで、もう一度ダウンロードする必要があると表示されている場合は、ダウンロードパスのキャッシュをクリアしてみてください。</string>
     <string name="clipboard_gallery_url_snack_message">クリップボードにはギャラリーURLが検出されました。</string>
     <string name="clipboard_gallery_url_snack_action">移動</string>
-    <string name="page_menu_save_to">名前を付けて保存</string>
     <string name="settings_advanced_app_language_title">アプリ言語（Language）</string>
     <string name="settings_advanced_proxy">プロキシ</string>
     <string name="settings_advanced_proxy_summary_1">%1$s %2$s：%3$d</string>
@@ -531,7 +518,6 @@
     <string name="invalid_host">無効なホストです</string>
     <string name="invalid_ip">無効なIPです</string>
     <string name="settings_advanced_built_in_hosts_title">既定hosts.txt</string>
-    <string name="guide_gallery_long_click">メニューを呼び出すには、長押ししてください</string>
     <string name="app_language_system">システム言語（既定）</string>
     <string name="download_service">ダウンロードサービス</string>
     <string name="settings_advanced_built_in_hosts_summary">ホストをアプリ既定のIPにマッピング\nカスタムhosts.txtに上書きされます。</string>
diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index 0de690492..f9091c5a8 100755
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -40,8 +40,6 @@
     <string name="text_is_empty">텍스트가 비어 있습니다.</string>
     <string name="waring">경고</string>
     <string name="wrong_cookie_warning">입력한 쿠키가 잘못된 것 같습니다. 확인해 보는 게 좋겠어요.</string>
-    <string name="i_will_check_it">확인해 볼게요</string>
-    <string name="i_dont_think_so">아닌데요</string>
     <string name="found_cookies">쿠키를 찾았어요!</string>
 
     <string name="invalid_download_location">다운로드 위치가 잘못되었습니다. 설정을 확인하세요.</string>
@@ -59,7 +57,6 @@
     <string name="error_cannot_parse_the_url">URL을 분석할 수 없음</string>
     <string name="error_not_folder_path">폴더 경로가 아님</string>
     <string name="error_decoding_failed">디코딩 실패</string>
-    <string name="error_empty">비어 있음</string>
     <string name="error_reading_failed">읽기 실패</string>
     <string name="error_out_of_range">범위 초과</string>
     <string name="error_write_failed">쓰기 실패</string>
@@ -295,10 +292,6 @@
     <string name="invalid_ip">잘못된 IP</string>
 
     <!-- Gallery Activity -->
-    <string name="page_menu_title">페이지 %d</string>
-    <string name="page_menu_save">저장</string>
-    <string name="page_menu_save_to">다른 이름으로 저장</string>
-    <string name="gallery_menu_title">메뉴</string>
     <string name="share_image">이미지 공유</string>
     <string name="image_saved">이미지를 %s 경로에 저장함</string>
 
@@ -460,11 +453,6 @@
     <string name="error_something_wrong_happened">뭔가 잘못되었습니다.</string>
 
     <!-- Guide -->
-    <string name="guide_gallery_left">페이지 넘기기</string>
-    <string name="guide_gallery_right">페이지 넘기기</string>
-    <string name="guide_gallery_menu">메뉴</string>
-    <string name="guide_gallery_progress">독서 진행도</string>
-    <string name="guide_gallery_long_click">페이지 메뉴를 열려면 길게 누르세요.</string>
 
     <!-- Readable Time -->
     <string name="from_the_future">미래에</string>
diff --git a/app/src/main/res/values-sw600dp/dimens.xml b/app/src/main/res/values-sw600dp/dimens.xml
index 485fa97e0..98ec6550e 100644
--- a/app/src/main/res/values-sw600dp/dimens.xml
+++ b/app/src/main/res/values-sw600dp/dimens.xml
@@ -27,7 +27,6 @@
     <dimen name="gallery_grid_margin_h">20dp</dimen>
 
     <!-- 24dp - 4dp, 4dp for card padding -->
-    <dimen name="gallery_search_bar_margin_h">20dp</dimen>
 
     <!-- 8dp - 4dp, 4dp for card padding -->
     <dimen name="search_layout_interval">4dp</dimen>
diff --git a/app/src/main/res/values-sw720dp-land/dimens.xml b/app/src/main/res/values-sw720dp-land/dimens.xml
index 0f25dd356..e76242c27 100644
--- a/app/src/main/res/values-sw720dp-land/dimens.xml
+++ b/app/src/main/res/values-sw720dp-land/dimens.xml
@@ -22,7 +22,6 @@
     <dimen name="gallery_grid_margin_h">76dp</dimen>
 
     <!-- 80dp - 4dp, 4dp for card padding -->
-    <dimen name="gallery_search_bar_margin_h">76dp</dimen>
 
     <!-- 80dp - 4dp, 4dp for card padding -->
     <dimen name="search_layout_margin_h">76dp</dimen>
diff --git a/app/src/main/res/values-th/strings.xml b/app/src/main/res/values-th/strings.xml
index 782d1e503..a352e1d3d 100644
--- a/app/src/main/res/values-th/strings.xml
+++ b/app/src/main/res/values-th/strings.xml
@@ -40,8 +40,6 @@
     <string name="text_is_empty">ข้อความห้ามเว้นว่างไว้</string>
     <string name="waring">คำเตือน</string>
     <string name="wrong_cookie_warning">ดูเหมือนว่าคุกกี้ที่คุณกรอกมานั้นมันผิด คุณลองตรวจสอบใหม่ดูอีกรอบ</string>
-    <string name="i_will_check_it">ฉันจะตรวจสอบเอง</string>
-    <string name="i_dont_think_so">ฉันว่าไม่ดีกว่า</string>
     <string name="found_cookies">พบคุกกี้แล้ว!</string>
 
     <string name="invalid_download_location">ดูเหมือนที่อยู่ในการดาวน์โหลดนั้นไม่พร้อมใช้งาน โปรดตั้งค่าในเมนูการตั้งค่า</string>
@@ -59,7 +57,6 @@
     <string name="error_cannot_parse_the_url">ไม่สามารถวิเคราะห์ URL </string>
     <string name="error_not_folder_path">ไม่พบโฟลเดอร์ปลายทาง</string>
     <string name="error_decoding_failed">การถอดรหัสล้มเหลว</string>
-    <string name="error_empty">ว่างเปล่า</string>
     <string name="error_reading_failed">การอ่านล้มเหลว</string>
     <string name="error_out_of_range">ไม่อยู่ในขอบเขต</string>
     <string name="error_write_failed">การเขียนล้มเหลว</string>
@@ -310,12 +307,6 @@
     <string name="invalid_ip">ไอพีไม่ถูกต้อง</string>
 
     <!-- Gallery Activity -->
-    <string name="page_menu_title">หน้า %d</string>
-    <string name="page_menu_refresh">รีเฟรช</string>
-    <string name="page_menu_share">แชร์</string>
-    <string name="page_menu_save">บันทึก</string>
-    <string name="page_menu_save_to">บันทึกลงที่…</string>
-    <string name="gallery_menu_title">เมนู</string>
     <string name="share_image">แชร์รูปภาพ</string>
     <string name="image_saved">ภาพถูกบันทึกไปที่ %s</string>
 
@@ -477,11 +468,6 @@
     <string name="error_something_wrong_happened">มีสิ่งผิดปกติบางอย่างเกิดขึ้น</string>
 
     <!-- Guide -->
-    <string name="guide_gallery_left">เปลี่ยนหน้า</string>
-    <string name="guide_gallery_right">เปลี่ยนหน้า</string>
-    <string name="guide_gallery_menu">เมนู</string>
-    <string name="guide_gallery_progress">ความคืบหน้า</string>
-    <string name="guide_gallery_long_click">แตะค้างไว้เพื่อเปิดหน้าเมนู</string>
 
     <!-- Readable Time -->
     <string name="from_the_future">จากอนาคต</string>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 4694290b9..ec3dccb9b 100755
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -41,8 +41,6 @@
     <string name="text_is_empty">文本为空</string>
     <string name="waring">警告</string>
     <string name="wrong_cookie_warning">看起来您输入的 Cookie 是错误的，最好检查一下。</string>
-    <string name="i_will_check_it">好的</string>
-    <string name="i_dont_think_so">我没输错</string>
     <string name="found_cookies">找到旧版 Cookie</string>
 
     <string name="invalid_download_location">似乎下载路径不可用。请到重新设置下载路径。</string>
@@ -60,7 +58,6 @@
     <string name="error_cannot_parse_the_url">无法解析链接</string>
     <string name="error_not_folder_path">非文件夹路径</string>
     <string name="error_decoding_failed">解码失败</string>
-    <string name="error_empty">空</string>
     <string name="error_reading_failed">读取失败</string>
     <string name="error_out_of_range">越界</string>
     <string name="error_write_failed">写入失败</string>
@@ -345,12 +342,6 @@
     <string name="invalid_ip">无效的 IP</string>
 
     <!-- Gallery Activity -->
-    <string name="page_menu_title">第 %d 页</string>
-    <string name="page_menu_refresh">@string/refresh</string>
-    <string name="page_menu_share">@string/share</string>
-    <string name="page_menu_save">保存</string>
-    <string name="page_menu_save_to">保存到…</string>
-    <string name="gallery_menu_title">菜单</string>
     <string name="share_image">分享图片</string>
     <string name="image_saved">图片已保存至 %s</string>
 
@@ -533,11 +524,6 @@
     <string name="error_something_wrong_happened">被玩坏了</string>
 
     <!-- Guide -->
-    <string name="guide_gallery_left">翻页</string>
-    <string name="guide_gallery_right">翻页</string>
-    <string name="guide_gallery_menu">菜单</string>
-    <string name="guide_gallery_progress">进度条</string>
-    <string name="guide_gallery_long_click">长按打开页面菜单</string>
 
     <!-- Readable Time -->
     <string name="from_the_future">来自未来</string>
@@ -604,7 +590,6 @@
     <string name="follow_app">跟随应用</string>
     <string name="action_add_tag">添加标签</string>
     <string name="action_add_tag_tip">添加新标签，用逗号「，」分割</string>
-    <string name="error_no_webview">WebView 不可用</string>
     <string name="comment_user_uploader">%s （上传者）</string>
     <string name="settings_eh_metered_network_warning">流量计费网络警告</string>
     <string name="metered_network_warning">正在使用流量计费网络</string>
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
index 801e52c84..92cadae35 100755
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -41,8 +41,6 @@
     <string name="text_is_empty">文本為空</string>
     <string name="waring">警告</string>
     <string name="wrong_cookie_warning">看起來您輸入的 Cookie 是錯誤的，最好檢查一下。</string>
-    <string name="i_will_check_it">好的</string>
-    <string name="i_dont_think_so">我沒輸錯</string>
     <string name="found_cookies">找到舊版 Cookie</string>
 
     <string name="invalid_download_location">似乎下載路徑不可用。請到重新設置下載路徑。</string>
@@ -60,7 +58,6 @@
     <string name="error_cannot_parse_the_url">無法解析鏈接</string>
     <string name="error_not_folder_path">非文件夾路徑</string>
     <string name="error_decoding_failed">解碼失敗</string>
-    <string name="error_empty">空</string>
     <string name="error_reading_failed">讀取失敗</string>
     <string name="error_out_of_range">越界</string>
     <string name="error_write_failed">寫入失敗</string>
@@ -343,11 +340,6 @@
     <string name="invalid_ip">無效的 IP</string>
 
     <!-- Gallery Activity -->
-    <string name="page_menu_title">第 %d 頁</string>
-    <string name="page_menu_refresh">@string/refresh</string>
-    <string name="page_menu_share">@string/share</string>
-    <string name="page_menu_save">保存</string>
-    <string name="gallery_menu_title">菜單</string>
     <string name="share_image">分享圖片</string>
     <string name="image_saved">圖片已保存至 %s</string>
 
@@ -517,11 +509,6 @@
     <string name="error_something_wrong_happened">被玩壞了</string>
 
     <!-- Guide -->
-    <string name="guide_gallery_left">翻頁</string>
-    <string name="guide_gallery_right">翻頁</string>
-    <string name="guide_gallery_menu">菜單</string>
-    <string name="guide_gallery_progress">進度條</string>
-    <string name="guide_gallery_long_click">長按打開頁面菜單</string>
 
     <!-- Readable Time -->
     <string name="from_the_future">來自未來</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 2f36d07cd..8e8a4774f 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -41,8 +41,6 @@
     <string name="text_is_empty">文字是空的</string>
     <string name="waring">警告</string>
     <string name="wrong_cookie_warning">看來您輸入的 Cookie 是錯誤的，最好再檢查一下。</string>
-    <string name="i_will_check_it">好的</string>
-    <string name="i_dont_think_so">我覺得沒打錯</string>
     <string name="found_cookies">找到 Cookie了!</string>
 
     <string name="invalid_download_location">看來下載路徑似乎沒辦法使用。請至設定重新設定下載路徑。</string>
@@ -60,7 +58,6 @@
     <string name="error_cannot_parse_the_url">無法解析連結</string>
     <string name="error_not_folder_path">非資料夾路徑</string>
     <string name="error_decoding_failed">解碼失敗</string>
-    <string name="error_empty">空</string>
     <string name="error_reading_failed">讀取失敗</string>
     <string name="error_out_of_range">超出範圍</string>
     <string name="error_write_failed">寫入失敗</string>
@@ -345,12 +342,6 @@
     <string name="invalid_ip">無效的 IP</string>
 
     <!-- Gallery Activity -->
-    <string name="page_menu_title">第 %d 頁</string>
-    <string name="page_menu_refresh">@string/refresh</string>
-    <string name="page_menu_share">@string/share</string>
-    <string name="page_menu_save">儲存</string>
-    <string name="page_menu_save_to">儲存到…</string>
-    <string name="gallery_menu_title">選單</string>
     <string name="share_image">分享圖片</string>
     <string name="image_saved">已將圖片儲存至 %s</string>
 
@@ -528,11 +519,6 @@
     <string name="error_something_wrong_happened">被玩壞了</string>
 
     <!-- Guide -->
-    <string name="guide_gallery_left">翻頁</string>
-    <string name="guide_gallery_right">翻頁</string>
-    <string name="guide_gallery_menu">選單</string>
-    <string name="guide_gallery_progress">進度條</string>
-    <string name="guide_gallery_long_click">長按以開啟頁面選單</string>
 
     <!-- Readable Time -->
     <string name="from_the_future">來自未來</string>
@@ -599,7 +585,6 @@
     <string name="follow_app">跟隨應用</string>
     <string name="action_add_tag">增加標籤</string>
     <string name="action_add_tag_tip">增加新標籤，用逗號「，」分割</string>
-    <string name="error_no_webview">WebView 不可用</string>
     <string name="comment_user_uploader">%s （上傳者）</string>
     <string name="settings_eh_metered_network_warning">流量計費網路警告</string>
     <string name="metered_network_warning">正在使用流量計費網路</string>
diff --git a/app/src/main/res/values/bools.xml b/app/src/main/res/values/bools.xml
deleted file mode 100644
index 1a3932eb5..000000000
--- a/app/src/main/res/values/bools.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright 2016 Hippo Seven
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<resources>
-
-    <bool name="dad_spin_bars">true</bool>
-
-</resources>
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index f8df8163b..c933a55ce 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -15,7 +15,6 @@
   -->
 
 <resources>
-    <color name="red_500">#fff44336</color>
     <color name="yellow_800">#fff9a825</color>
     <color name="brown_500">#ff795548</color>
     <color name="navigation_bar_divider">#1f000000</color>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 46eb9395b..8d4bc15a4 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -22,7 +22,6 @@
 
     <!-- Text size -->
     <dimen name="text_super_large">24sp</dimen>
-    <dimen name="text_little_large">20sp</dimen>
     <dimen name="text_little_small">16sp</dimen>
     <dimen name="text_small">14sp</dimen>
     <dimen name="text_super_small">12sp</dimen>
@@ -46,7 +45,6 @@
     <dimen name="gallery_grid_margin_v">4dp</dimen>
 
     <!-- 8dp - 4dp, 4dp for card padding -->
-    <dimen name="gallery_search_bar_margin_h">6dp</dimen>
     <!-- 12dp - 4dp, 4dp for card padding -->
     <dimen name="gallery_search_bar_margin_v">10dp</dimen>
 
@@ -64,12 +62,6 @@
     <dimen name="search_layout_margin_v">4dp</dimen>
 
     <!-- DrawerArrowDrawable -->
-    <dimen name="dad_drawable_size">24dp</dimen>
-    <dimen name="dad_bar_size">18dp</dimen>
-    <dimen name="dad_top_bottom_bar_arrow_size">11.31dp</dimen>
-    <dimen name="dad_thickness">2dp</dimen>
-    <dimen name="dad_gap_between_bars">3dp</dimen>
-    <dimen name="dad_middle_bar_arrow_size">16dp</dimen>
 
     <!-- AddDeleteDrawable -->
     <dimen name="add_size">20dp</dimen>
@@ -105,23 +97,11 @@
     <dimen name="gallery_detail_thumb_width">128dp</dimen>
     <dimen name="gallery_detail_thumb_height">192dp</dimen>
 
-    <dimen name="gallery_widget_margin_h">12dp</dimen>
-    <dimen name="gallery_widget_margin_v">12dp</dimen>
-
-    <dimen name="gallery_guide_divider_width">3dp</dimen>
-
     <!-- Lock pattern view -->
 
     <!-- Custom preference -->
 
     <!-- Gallery -->
-    <dimen name="gallery_pager_interval">48dp</dimen>
-    <dimen name="gallery_scroll_interval">28dp</dimen>
-    <dimen name="gallery_page_min_height">256dp</dimen>
-    <dimen name="gallery_page_info_interval">24dp</dimen>
-    <dimen name="gallery_progress_size">56dp</dimen>
-    <dimen name="gallery_page_text_size">56sp</dimen>
-    <dimen name="gallery_error_text_size">24sp</dimen>
 
     <dimen name="bottom_sheet_width">0dp</dimen>
     <dimen name="screen_edge_margin">16dp</dimen>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 802329b11..73ec91b87 100755
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -57,8 +57,6 @@
     <string name="text_is_empty">Text is empty</string>
     <string name="waring">Warning</string>
     <string name="wrong_cookie_warning">It seems that the cookies you entered are wrong. You\'d better check them.</string>
-    <string name="i_will_check_it">I will check it</string>
-    <string name="i_dont_think_so">I don\'t think so</string>
     <string name="found_cookies">Found cookies!</string>
 
     <string name="invalid_download_location">It seems download location is not available. Please set it in Settings.</string>
@@ -102,7 +100,6 @@
     <string name="error_cannot_parse_the_url">Can\'t parse the url</string>
     <string name="error_not_folder_path">Not folder path</string>
     <string name="error_decoding_failed">Decoding failed</string>
-    <string name="error_empty">Empty</string>
     <string name="error_reading_failed">Reading Failed</string>
     <string name="error_out_of_range">Out of range</string>
     <string name="error_write_failed">Write failed</string>
@@ -391,12 +388,6 @@
     <string name="invalid_ip">Invalid IP</string>
 
     <!-- Gallery Activity -->
-    <string name="page_menu_title">Page %d</string>
-    <string name="page_menu_refresh">@string/refresh</string>
-    <string name="page_menu_share">@string/share</string>
-    <string name="page_menu_save">Save</string>
-    <string name="page_menu_save_to">Save to&#8230;</string>
-    <string name="gallery_menu_title">Menu</string>
     <string name="share_image">Share image</string>
     <string name="image_saved">Image saved to %s</string>
 
@@ -594,11 +585,6 @@
     <string name="error_something_wrong_happened">Something wrong happened</string>
 
     <!-- Guide -->
-    <string name="guide_gallery_left">Turn Page</string>
-    <string name="guide_gallery_right">Turn Page</string>
-    <string name="guide_gallery_menu">Menu</string>
-    <string name="guide_gallery_progress">Progress</string>
-    <string name="guide_gallery_long_click">Long click to open page menu</string>
 
     <!-- Readable Time -->
     <string name="from_the_future">From the future</string>
@@ -667,7 +653,6 @@
     <string name="follow_app">Follow app</string>
     <string name="action_add_tag">Add tag</string>
     <string name="action_add_tag_tip">Enter new tags, separated with comma</string>
-    <string name="error_no_webview">WebView is not available.</string>
     <string name="comment_user_uploader">%s (Uploader)</string>
     <string name="settings_eh_metered_network_warning">Metered network warning</string>
     <string name="metered_network_warning">Connected to metered networks</string>
@@ -723,51 +708,28 @@
     <string name="vertical_plus_viewer">Continuous vertical</string>
     <string name="pager_viewer">Paged</string>
     <string name="pref_fullscreen">Fullscreen</string>
-    <string name="pref_show_navigation_mode">Show tap zones overlay</string>
-    <string name="pref_show_navigation_mode_summary">Briefly show when reader is opened</string>
-    <string name="pref_dual_page_split">Split wide pages</string>
-    <string name="pref_dual_page_invert">Invert split page placement</string>
-    <string name="pref_dual_page_invert_summary">If the placement of the split wide pages don\'t match reading direction</string>
-    <string name="pref_long_strip_split">Split tall images (BETA)</string>
     <string name="pref_cutout_short">Show content in cutout area</string>
     <string name="pref_page_transitions">Animate page transitions</string>
-    <string name="pref_double_tap_anim_speed">Double tap animation speed</string>
     <string name="pref_show_page_number">Show page number</string>
-    <string name="pref_show_reading_mode">Show reading mode</string>
-    <string name="pref_show_reading_mode_summary">Briefly show current mode when reader is opened</string>
-    <string name="pref_true_color">32-bit color</string>
-    <string name="pref_true_color_summary">Reduces banding, but may impact performance</string>
     <string name="pref_custom_brightness">Custom brightness</string>
     <string name="pref_grayscale">Grayscale</string>
     <string name="pref_inverted_colors">Inverted</string>
     <string name="pref_custom_color_filter">Custom color filter</string>
     <string name="pref_color_filter_mode">Color filter blend mode</string>
-    <string name="filter_mode_overlay">Overlay</string>
     <string name="filter_mode_multiply">Multiply</string>
     <string name="filter_mode_screen">Screen</string>
-    <string name="filter_mode_lighten">Dodge / Lighten</string>
-    <string name="filter_mode_darken">Burn / Darken</string>
     <string name="pref_keep_screen_on">Keep screen on</string>
-    <string name="pref_skip_read_chapters">Skip chapters marked read</string>
-    <string name="pref_skip_filtered_chapters">Skip filtered chapters</string>
-    <string name="pref_reader_navigation">Navigation</string>
-    <string name="pref_read_with_volume_keys">Volume keys</string>
-    <string name="pref_read_with_volume_keys_inverted">Invert volume keys</string>
     <string name="pref_read_with_tapping_inverted">Invert tap zones</string>
     <string name="tapping_inverted_none">None</string>
     <string name="tapping_inverted_horizontal">Horizontal</string>
     <string name="tapping_inverted_vertical">Vertical</string>
     <string name="tapping_inverted_both">Both</string>
-    <string name="pref_reader_actions">Actions</string>
     <string name="pref_read_with_long_tap">Show on long tap</string>
-    <string name="pref_create_folder_per_manga">Save pages into separate folders</string>
-    <string name="pref_create_folder_per_manga_summary">Creates folders according to entries\' title</string>
     <string name="pref_reader_theme">Background color</string>
     <string name="white_background">White</string>
     <string name="gray_background">Gray</string>
     <string name="black_background">Black</string>
     <string name="automatic_background">Automatic</string>
-    <string name="pref_viewer_type">Default reading mode</string>
     <string name="l_nav">L shaped</string>
     <string name="kindlish_nav">Kindle-ish</string>
     <string name="edge_nav">Edge</string>
@@ -788,17 +750,12 @@
     <string name="zoom_start_left">Left</string>
     <string name="zoom_start_right">Right</string>
     <string name="zoom_start_center">Center</string>
-    <string name="double_tap_anim_speed_0">No animation</string>
-    <string name="double_tap_anim_speed_normal">Normal</string>
-    <string name="double_tap_anim_speed_fast">Fast</string>
     <string name="rotation_type">Rotation type</string>
     <string name="color_filter_r_value">R</string>
     <string name="color_filter_g_value">G</string>
     <string name="color_filter_b_value">B</string>
     <string name="color_filter_a_value">A</string>
-    <string name="pref_always_show_chapter_transition">Always show chapter transition</string>
     <string name="pref_category_reading_mode">Reading mode</string>
-    <string name="pref_category_reading">Reading</string>
     <string name="pref_webtoon_side_padding">Side padding</string>
     <string name="webtoon_side_padding_0">None</string>
     <string name="webtoon_side_padding_5">5%</string>
@@ -806,11 +763,6 @@
     <string name="webtoon_side_padding_15">15%</string>
     <string name="webtoon_side_padding_20">20%</string>
     <string name="webtoon_side_padding_25">25%</string>
-    <string name="pref_hide_threshold">Sensitivity for hiding menu on scroll</string>
-    <string name="pref_highest">Highest</string>
-    <string name="pref_high">High</string>
-    <string name="pref_low">Low</string>
-    <string name="pref_lowest">Lowest</string>
     <string name="pref_category_general">General</string>
     <string name="custom_filter">Custom filter</string>
     <string name="action_share">Share</string>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 169bbe2a2..371faa561 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -53,8 +53,6 @@
         <item name="indicatorColor">?attr/dividerColor</item>
     </style>
 
-    <style name="Guide.Title" parent="TextAppearance.Material3.TitleMedium" />
-
     <style name="Snackbar" parent="Widget.Material3.Snackbar">
         <item name="materialThemeOverlay">@style/SnackbarTheme</item>
         <item name="actionTextColorAlpha">1</item>