diff --git a/Emby.Server.Implementations/Emby.Server.Implementations.csproj b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
index 2a45fb3151..1dbb10b488 100644
--- a/Emby.Server.Implementations/Emby.Server.Implementations.csproj
+++ b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
@@ -698,7 +698,6 @@
     <EmbeddedResource Include="Localization\Core\ar.json" />
     <EmbeddedResource Include="Localization\Core\bg-BG.json" />
     <EmbeddedResource Include="Localization\Core\ca.json" />
-    <EmbeddedResource Include="Localization\Core\core.json" />
     <EmbeddedResource Include="Localization\Core\cs.json" />
     <EmbeddedResource Include="Localization\Core\da.json" />
     <EmbeddedResource Include="Localization\Core\de.json" />
diff --git a/Emby.Server.Implementations/Localization/Core/core.json b/Emby.Server.Implementations/Localization/Core/core.json
deleted file mode 100644
index 976faa8cbc..0000000000
--- a/Emby.Server.Implementations/Localization/Core/core.json
+++ /dev/null
@@ -1,179 +0,0 @@
-{
-    "AppDeviceValues": "App: {0}, Device: {1}",
-    "UserDownloadingItemWithValues": "{0} is downloading {1}",
-    "FolderTypeMixed": "Mixed content",
-    "FolderTypeMovies": "Movies",
-    "FolderTypeMusic": "Music",
-    "FolderTypeAdultVideos": "Adult videos",
-    "FolderTypePhotos": "Photos",
-    "FolderTypeMusicVideos": "Music videos",
-    "FolderTypeHomeVideos": "Home videos",
-    "FolderTypeGames": "Games",
-    "FolderTypeBooks": "Books",
-    "FolderTypeTvShows": "TV",
-    "FolderTypeInherit": "Inherit",
-    "HeaderCastCrew": "Cast & Crew",
-    "HeaderPeople": "People",
-    "ValueSpecialEpisodeName": "Special - {0}",
-    "LabelChapterName": "Chapter {0}",
-    "NameSeasonNumber": "Season {0}",
-    "LabelExit": "Exit",
-    "LabelVisitCommunity": "Visit Community",
-    "LabelGithub": "Github",
-    "LabelApiDocumentation": "Api Documentation",
-    "LabelDeveloperResources": "Developer Resources",
-    "LabelBrowseLibrary": "Browse Library",
-    "LabelConfigureServer": "Configure Emby",
-    "LabelRestartServer": "Restart Server",
-    "CategorySync": "Sync",
-    "CategoryUser": "User",
-    "CategorySystem": "System",
-    "CategoryApplication": "Application",
-    "CategoryPlugin": "Plugin",
-    "NotificationOptionPluginError": "Plugin failure",
-    "NotificationOptionApplicationUpdateAvailable": "Application update available",
-    "NotificationOptionApplicationUpdateInstalled": "Application update installed",
-    "NotificationOptionPluginUpdateInstalled": "Plugin update installed",
-    "NotificationOptionPluginInstalled": "Plugin installed",
-    "NotificationOptionPluginUninstalled": "Plugin uninstalled",
-    "NotificationOptionVideoPlayback": "Video playback started",
-    "NotificationOptionAudioPlayback": "Audio playback started",
-    "NotificationOptionGamePlayback": "Game playback started",
-    "NotificationOptionVideoPlaybackStopped": "Video playback stopped",
-    "NotificationOptionAudioPlaybackStopped": "Audio playback stopped",
-    "NotificationOptionGamePlaybackStopped": "Game playback stopped",
-    "NotificationOptionTaskFailed": "Scheduled task failure",
-    "NotificationOptionInstallationFailed": "Installation failure",
-    "NotificationOptionNewLibraryContent": "New content added",
-    "NotificationOptionNewLibraryContentMultiple": "New content added (multiple)",
-    "NotificationOptionCameraImageUploaded": "Camera image uploaded",
-    "NotificationOptionUserLockedOut": "User locked out",
-    "NotificationOptionServerRestartRequired": "Server restart required",
-    "ViewTypePlaylists": "Playlists",
-    "ViewTypeMovies": "Movies",
-    "ViewTypeTvShows": "TV",
-    "ViewTypeGames": "Games",
-    "ViewTypeMusic": "Music",
-    "ViewTypeMusicGenres": "Genres",
-    "ViewTypeMusicArtists": "Artists",
-    "ViewTypeBoxSets": "Collections",
-    "ViewTypeChannels": "Channels",
-    "ViewTypeLiveTV": "Live TV",
-    "ViewTypeLiveTvNowPlaying": "Now Airing",
-    "ViewTypeLatestGames": "Latest Games",
-    "ViewTypeRecentlyPlayedGames": "Recently Played",
-    "ViewTypeGameFavorites": "Favorites",
-    "ViewTypeGameSystems": "Game Systems",
-    "ViewTypeGameGenres": "Genres",
-    "ViewTypeTvResume": "Resume",
-    "ViewTypeTvNextUp": "Next Up",
-    "ViewTypeTvLatest": "Latest",
-    "ViewTypeTvShowSeries": "Series",
-    "ViewTypeTvGenres": "Genres",
-    "ViewTypeTvFavoriteSeries": "Favorite Series",
-    "ViewTypeTvFavoriteEpisodes": "Favorite Episodes",
-    "ViewTypeMovieResume": "Resume",
-    "ViewTypeMovieLatest": "Latest",
-    "ViewTypeMovieMovies": "Movies",
-    "ViewTypeMovieCollections": "Collections",
-    "ViewTypeMovieFavorites": "Favorites",
-    "ViewTypeMovieGenres": "Genres",
-    "ViewTypeMusicLatest": "Latest",
-    "ViewTypeMusicPlaylists": "Playlists",
-    "ViewTypeMusicAlbums": "Albums",
-    "ViewTypeMusicAlbumArtists": "Album Artists",
-    "HeaderOtherDisplaySettings": "Display Settings",
-    "ViewTypeMusicSongs": "Songs",
-    "ViewTypeMusicFavorites": "Favorites",
-    "ViewTypeMusicFavoriteAlbums": "Favorite Albums",
-    "ViewTypeMusicFavoriteArtists": "Favorite Artists",
-    "ViewTypeMusicFavoriteSongs": "Favorite Songs",
-    "ViewTypeFolders": "Folders",
-    "ViewTypeLiveTvRecordingGroups": "Recordings",
-    "ViewTypeLiveTvChannels": "Channels",
-    "ScheduledTaskFailedWithName": "{0} failed",
-    "LabelRunningTimeValue": "Running time: {0}",
-    "ScheduledTaskStartedWithName": "{0} started",
-    "VersionNumber": "Version {0}",
-    "PluginInstalledWithName": "{0} was installed",
-    "PluginUpdatedWithName": "{0} was updated",
-    "PluginUninstalledWithName": "{0} was uninstalled",
-    "ItemAddedWithName": "{0} was added to the library",
-    "ItemRemovedWithName": "{0} was removed from the library",
-    "LabelIpAddressValue": "Ip address: {0}",
-    "DeviceOnlineWithName": "{0} is connected",
-    "UserOnlineFromDevice": "{0} is online from {1}",
-    "ProviderValue": "Provider: {0}",
-    "SubtitlesDownloadedForItem": "Subtitles downloaded for {0}",
-    "UserConfigurationUpdatedWithName": "User configuration has been updated for {0}",
-    "UserCreatedWithName": "User {0} has been created",
-    "UserPasswordChangedWithName": "Password has been changed for user {0}",
-    "UserDeletedWithName": "User {0} has been deleted",
-    "MessageServerConfigurationUpdated": "Server configuration has been updated",
-    "MessageNamedServerConfigurationUpdatedWithValue": "Server configuration section {0} has been updated",
-    "MessageApplicationUpdated": "Emby Server has been updated",
-    "FailedLoginAttemptWithUserName": "Failed login attempt from {0}",
-    "AuthenticationSucceededWithUserName": "{0} successfully authenticated",
-    "DeviceOfflineWithName": "{0} has disconnected",
-    "UserLockedOutWithName": "User {0} has been locked out",
-    "UserOfflineFromDevice": "{0} has disconnected from {1}",
-    "UserStartedPlayingItemWithValues": "{0} has started playing {1}",
-    "UserStoppedPlayingItemWithValues": "{0} has stopped playing {1}",
-    "SubtitlesDownloadedForItem": "Subtitles downloaded for {0}",
-    "SubtitleDownloadFailureForItem": "Subtitles failed to download for {0}",
-    "HeaderUnidentified": "Unidentified",
-    "HeaderImagePrimary": "Primary",
-    "HeaderImageBackdrop": "Backdrop",
-    "HeaderImageLogo": "Logo",
-    "HeaderUserPrimaryImage": "User Image",
-    "HeaderOverview": "Overview",
-    "HeaderShortOverview": "Short Overview",
-    "HeaderType": "Type",
-    "HeaderSeverity": "Severity",
-    "HeaderUser": "User",
-    "HeaderName": "Name",
-    "HeaderDate": "Date",
-    "HeaderPremiereDate": "Premiere Date",
-    "HeaderDateAdded": "Date Added",
-    "HeaderReleaseDate": "Release date",
-    "HeaderRuntime": "Runtime",
-    "HeaderPlayCount": "Play Count",
-    "HeaderSeason": "Season",
-    "HeaderSeasonNumber": "Season number",
-    "HeaderSeries": "Series:",
-    "HeaderNetwork": "Network",
-    "HeaderYear": "Year:",
-    "HeaderYears": "Years:",
-    "HeaderParentalRating": "Parental Rating",
-    "HeaderCommunityRating": "Community rating",
-    "HeaderTrailers": "Trailers",
-    "HeaderSpecials": "Specials",
-    "HeaderGameSystems": "Game Systems",
-    "HeaderPlayers": "Players:",
-    "HeaderAlbumArtists": "Album Artists",
-    "HeaderAlbums": "Albums",
-    "HeaderDisc": "Disc",
-    "HeaderTrack": "Track",
-    "HeaderAudio": "Audio",
-    "HeaderVideo": "Video",
-    "HeaderEmbeddedImage": "Embedded image",
-    "HeaderResolution": "Resolution",
-    "HeaderSubtitles": "Subtitles",
-    "HeaderGenres": "Genres",
-    "HeaderCountries": "Countries",
-    "HeaderStatus": "Status",
-    "HeaderTracks": "Tracks",
-    "HeaderMusicArtist": "Music artist",
-    "HeaderLocked": "Locked",
-    "HeaderStudios": "Studios",
-    "HeaderActor": "Actors",
-    "HeaderComposer": "Composers",
-    "HeaderDirector": "Directors",
-    "HeaderGuestStar": "Guest star",
-    "HeaderProducer": "Producers",
-    "HeaderWriter": "Writers",
-    "HeaderParentalRatings": "Parental Ratings",
-    "HeaderCommunityRatings": "Community ratings",
-    "StartupEmbyServerIsLoading": "Emby Server is loading. Please try again shortly.",
-    "DbUpgradeMessage":  "Please wait while your Emby Server database is upgraded. {0}% complete."
-}
diff --git a/Emby.Server.Implementations/Localization/Core/en-US.json b/Emby.Server.Implementations/Localization/Core/en-US.json
index 133644ff7b..c7f8652334 100644
--- a/Emby.Server.Implementations/Localization/Core/en-US.json
+++ b/Emby.Server.Implementations/Localization/Core/en-US.json
@@ -1,5 +1,4 @@
 {
-  "DbUpgradeMessage": "Please wait while your Emby Server database is upgraded. {0}% complete.",
   "AppDeviceValues": "App: {0}, Device: {1}",
   "UserDownloadingItemWithValues": "{0} is downloading {1}",
   "FolderTypeMixed": "Mixed content",
@@ -13,15 +12,12 @@
   "FolderTypeBooks": "Books",
   "FolderTypeTvShows": "TV",
   "FolderTypeInherit": "Inherit",
-  "HeaderCastCrew": "Cast & Crew",
-  "HeaderPeople": "People",
   "ValueSpecialEpisodeName": "Special - {0}",
   "LabelChapterName": "Chapter {0}",
   "NameSeasonUnknown": "Season Unknown",
   "NameSeasonNumber": "Season {0}",
   "LabelExit": "Exit",
   "LabelVisitCommunity": "Visit Community",
-  "LabelGithub": "Github",
   "LabelApiDocumentation": "Api Documentation",
   "LabelDeveloperResources": "Developer Resources",
   "LabelBrowseLibrary": "Browse Library",
@@ -164,15 +160,5 @@
   "HeaderStatus": "Status",
   "HeaderTracks": "Tracks",
   "HeaderMusicArtist": "Music artist",
-  "HeaderLocked": "Locked",
-  "HeaderStudios": "Studios",
-  "HeaderActor": "Actors",
-  "HeaderComposer": "Composers",
-  "HeaderDirector": "Directors",
-  "HeaderGuestStar": "Guest star",
-  "HeaderProducer": "Producers",
-  "HeaderWriter": "Writers",
-  "HeaderParentalRatings": "Parental Ratings",
-  "HeaderCommunityRatings": "Community ratings",
   "StartupEmbyServerIsLoading": "Emby Server is loading. Please try again shortly."
 }
\ No newline at end of file
diff --git a/Emby.Server.Implementations/Localization/LocalizationManager.cs b/Emby.Server.Implementations/Localization/LocalizationManager.cs
index a8cd1dc04d..278a39cd1e 100644
--- a/Emby.Server.Implementations/Localization/LocalizationManager.cs
+++ b/Emby.Server.Implementations/Localization/LocalizationManager.cs
@@ -335,7 +335,7 @@ namespace Emby.Server.Implementations.Localization
             const string prefix = "Core";
             var key = prefix + culture;
 
-            return _dictionaries.GetOrAdd(key, k => GetDictionary(prefix, culture, "core.json"));
+            return _dictionaries.GetOrAdd(key, k => GetDictionary(prefix, culture, "en-US.json"));
         }
 
         private Dictionary<string, string> GetDictionary(string prefix, string culture, string baseFilename)