diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index d755de7d7..77da27105 100755
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -495,7 +495,6 @@
     <string name="unknown_error">Unknown error</string>
 
     <!-- Library fragment -->
-    <string name="library_search_hint">Title or author…</string>
     <string name="updating_category">Updating category</string>
     <string name="local_source_badge">Local</string>
     <string name="manga_from_library">Manga from library</string>
@@ -504,9 +503,6 @@
     <string name="tabs_header">Tabs</string>
 
     <!-- Catalogue fragment -->
-    <string name="source_requires_login">This source requires you to log in</string>
-    <string name="select_source">Select a source</string>
-    <string name="no_valid_sources">Please enable at least one valid source</string>
     <string name="no_more_results">No more results</string>
     <string name="no_results_found">No results found</string>
     <!-- Do not translate "WebView" -->
@@ -515,8 +511,6 @@
     <string name="other_source">Other</string>
     <string name="last_used_source">Last used</string>
     <string name="pinned_sources">Pinned</string>
-    <string name="invalid_combination">Default can\'t be selected with other categories</string>
-    <string name="added_to_library">The manga has been added to your library</string>
     <string name="action_global_search_hint">Global search…</string>
     <string name="action_global_search_query">Search for \"%1$s\" globally</string>
     <string name="latest">Latest</string>
@@ -532,7 +526,6 @@
     <string name="manga_not_in_db">This manga has been removed from the database.</string>
 
     <!-- Manga info fragment -->
-    <string name="manga_detail_tab">Info</string>
     <string name="description">Description</string>
     <string name="ongoing">Ongoing</string>
     <string name="unknown">Unknown</string>
@@ -558,16 +551,10 @@
     <string name="snack_add_to_library">Add manga to library?</string>
 
     <!-- Manga chapters fragment -->
-    <string name="manga_chapters_tab">Chapters</string>
-    <string name="manga_chapter_no_title">No title</string>
     <string name="display_mode_chapter">Chapter %1$s</string>
-    <string name="chapter_downloaded">Downloaded</string>
-    <string name="chapter_queued">Queued</string>
-    <string name="chapter_downloading">Downloading</string>
     <string name="chapter_downloading_progress">Downloading (%1$d/%2$d)</string>
     <string name="chapter_error">Error</string>
     <string name="chapter_paused">Paused</string>
-    <string name="fetch_chapters_error">Could not fetch chapters</string>
     <string name="show_title">Source title</string>
     <string name="show_chapter_number">Chapter number</string>
     <string name="sorting_mode">Sorting mode</string>
@@ -623,7 +610,6 @@
     <string name="track_type">Type</string>
     <string name="track_author">Author</string>
     <string name="error_invalid_date_supplied">Invalid date supplied</string>
-    <string name="myanimelist_creds_missing">MAL login credentials not found</string>
     <string name="myanimelist_relogin">Please login to MAL again</string>
     <string name="source_unsupported">Source is not supported</string>
     <string name="error_no_match">No match found</string>
@@ -638,19 +624,13 @@
 
     <!-- Image notifier -->
     <string name="picture_saved">Picture saved</string>
-    <string name="saving_picture">Saving picture</string>
-    <string name="options">Options</string>
 
     <!-- Reader activity -->
     <string name="custom_filter">Custom filter</string>
     <string name="set_as_cover">Set as cover</string>
     <string name="cover_updated">Cover updated</string>
     <string name="share_page_info">%1$s: %2$s, page %3$d</string>
-    <string name="page_downloaded">Page copied to %1$s</string>
-    <string name="downloading">Downloading…</string>
-    <string name="download_progress">Downloaded %1$d%%</string>
     <string name="chapter_progress">Page: %1$d</string>
-    <string name="chapter_subtitle">Chapter %1$s</string>
     <string name="no_next_chapter">Next chapter not found</string>
     <string name="no_previous_chapter">Previous chapter not found</string>
     <string name="decode_image_error">The image couldn\'t be loaded</string>
@@ -683,7 +663,6 @@
 
     <!-- Source migration screen -->
     <string name="migration_help_guide">Source migration guide</string>
-    <string name="migration_info">Tap to select the source to migrate from</string>
     <string name="migration_dialog_what_to_include">Select data to include</string>
     <string name="migration_selection_prompt">Select a source to migrate from</string>
     <string name="migrate">Migrate</string>
@@ -691,11 +670,10 @@
 
     <!-- Downloads activity and service -->
     <string name="download_queue_error">Couldn\'t download chapters. You can try again in the downloads section</string>
-    <string name="download_insufficient_space">Couldn\'t download chapters due to low disk space</string>
+    <string name="download_insufficient_space">Couldn\'t download chapters due to low storage space</string>
 
     <!-- Library update service notifications -->
     <string name="notification_check_updates">Checking for new chapters</string>
-    <string name="notification_update_progress">Update progress: %1$d/%2$d</string>
     <string name="notification_new_chapters">New chapters found</string>
     <plurals name="notification_new_chapters_summary">
         <item quantity="one">For 1 title</item>
@@ -718,10 +696,6 @@
     </plurals>
     <string name="notification_cover_update_failed">Failed to update cover</string>
     <string name="notification_first_add_to_library">Please add the manga to your library before doing this</string>
-    <string name="notification_not_connected_to_ac_title">Sync canceled</string>
-    <string name="notification_not_connected_to_ac_body">Not connected to AC power</string>
-    <string name="notification_no_connection_title">Sync canceled</string>
-    <string name="notification_no_connection_body">Connection not available</string>
 
     <!-- File Picker Titles -->
     <string name="file_select_cover">Select cover image</string>
@@ -736,7 +710,6 @@
     <string name="update_check_look_for_updates">Searching for updates…</string>
 
     <!--UpdateCheck Notifications-->
-    <string name="update_check_notification_file_download">Download update</string>
     <string name="update_check_notification_download_in_progress">Downloading…</string>
     <string name="update_check_notification_download_complete">Download complete</string>
     <string name="update_check_notification_download_error">Download error</string>
@@ -768,8 +741,6 @@
     <string name="download_notifier_downloader_title">Downloader</string>
     <string name="download_notifier_title_error">Error</string>
     <string name="download_notifier_unknown_error">Could not download chapter due to unexpected error</string>
-    <string name="download_notifier_page_error">A page is missing in directory</string>
-    <string name="download_notifier_page_ready_error">A page has not been loaded</string>
     <string name="download_notifier_text_only_wifi">No Wi-Fi connection available</string>
     <string name="download_notifier_no_network">No network connection available</string>
     <string name="download_notifier_download_paused">Download paused</string>