diff --git a/lang/cs.yml b/lang/cs.yml
index e37750fb..26f36f96 100644
--- a/lang/cs.yml
+++ b/lang/cs.yml
@@ -2,11 +2,6 @@ cs:
   LeftAndMain_Menu:
     Hello: Ahoj
     LOGOUT: 'Odhlásit se'
-  SilverStripe\Subsites\Admin\SubsiteAdmin:
-    MENUTITLE: Subsites
-  SilverStripe\Subsites\Extensions\GroupSubsites:
-    SECURITYTABTITLE: Subsites
-    many_many_Subsites: Subsites
   SilverStripe\Subsites\Extensions\SiteTreeSubsites:
     CopyAction: Kopírovat
   SilverStripe\Subsites\Model\Subsite:
@@ -15,7 +10,6 @@ cs:
     CustomMetaDescription: Popis
     CustomMetaKeywords: 'Klíčová slova'
     CustomMetaTitle: Název
-    PLURALNAME: Subsites
     SiteConfigSubtitle: 'Slogan Vašeho webu'
     SiteConfigTitle: 'Název Vašeho webu'
     ValidateTitle: 'Prosím vložte "Název"'
diff --git a/lang/de.yml b/lang/de.yml
index a9382f45..0441f3b0 100644
--- a/lang/de.yml
+++ b/lang/de.yml
@@ -3,8 +3,6 @@ de:
     INVALID_DOMAIN: 'Ungültige Domain'
   SilverStripe\CMS\Model\VirtualPage:
     EDITCONTENT: 'Klicken Sie hier, um den Inhalt zu bearbeiten'
-  SilverStripe\Subsites\Admin\SubsiteAdmin:
-    MENUTITLE: Subsites
   SilverStripe\Subsites\Extensions\FileSubsites:
     has_one_Subsite: Subseite
   SilverStripe\Subsites\Extensions\FolderFormFactoryExtension:
@@ -18,8 +16,6 @@ de:
     GlobalGroup: 'globale Gruppe'
     MANAGE_SUBSITES: 'Subseiten für jede Gruppe bearbeiten'
     MANAGE_SUBSITES_HELP: 'Möglichkeit, die Berechtigungen einer Gruppe auf bestimmte Subsites zu beschränken.'
-    SECURITYTABTITLE: Subsites
-    many_many_Subsites: Subsites
   SilverStripe\Subsites\Extensions\LeftAndMainSubsites:
     SITECONTENTLEFT: 'Seiten Inhalt'
     Saved: 'Gespeichert, bitte aktualisieren Sie verknüpfte Seiten'
@@ -38,7 +34,6 @@ de:
     CustomMetaDescription: Beschreibung
     CustomMetaKeywords: Schlüsselwörter
     CustomMetaTitle: Titel
-    PLURALNAME: Subsites
     PLURALS:
       one: 'Eine Subseite'
       other: '{count} Subsites'
@@ -46,15 +41,12 @@ de:
     SINGULARNAME: Subseite
     SiteConfigSubtitle: 'Ihr Websiteslogan'
     SiteConfigTitle: 'Name Ihrer Website'
-    ThemeFieldEmptyString: '-'
     ValidateTitle: 'Bitte geben Sie einen Titel an'
     belongs_many_many_Groups: Gruppe
     db_DefaultSite: 'Standard Seite'
     db_Language: Sprache
     db_RedirectURL: Weierleitungs-URL
-    db_Theme: Theme
     db_Title: Titel
-    has_many_Domains: Domains
   SilverStripe\Subsites\Model\SubsiteDomain:
     DOMAIN: Domäne
     DOMAIN_DESCRIPTION: 'Hostname dieser Subsite (ohne Protokol). Joker (*) ist erlaubt.'
@@ -65,8 +57,6 @@ de:
       other: '{count} Domainen der Subseite'
     PROTOCOL_AUTOMATIC: Automatisch
     PROTOCOL_DESCRIPTION: 'DIes ist die Standarddomäne für diese Subseite'
-    PROTOCOL_HTTP: 'http://'
-    PROTOCOL_HTTPS: 'https://'
     Protocol: Protokoll
     SINGULARNAME: 'Domäne der Subseite'
     db_Domain: Domäne
@@ -96,5 +86,4 @@ de:
     PageTypeBlacklistFieldLabel: 'Ausgeschlossene Seitentypen'
     PrimaryDomainFieldLabel: 'Primäre Domain'
     RedirectURLFieldLabel: Weierleitungs-URL
-    ThemeFieldLabel: Theme
     TitleFieldLabel: 'Name der Subsite'
diff --git a/lang/eo.yml b/lang/eo.yml
index 4dd3bc7c..5a831bea 100644
--- a/lang/eo.yml
+++ b/lang/eo.yml
@@ -50,7 +50,6 @@ eo:
     SINGULARNAME: Subretejo
     SiteConfigSubtitle: 'Jen via slogano'
     SiteConfigTitle: 'Nomo de via retejo'
-    ThemeFieldEmptyString: '-'
     ValidateTitle: 'Bonvole aldoni "Titolon"'
     belongs_many_many_Groups: Grupoj
     db_DefaultSite: 'Apriora retejo'
@@ -72,8 +71,6 @@ eo:
       other: '{count} subretejaj domajnoj'
     PROTOCOL_AUTOMATIC: Aŭtomata
     PROTOCOL_DESCRIPTION: 'Kiam generante ligilojn al ĉi tiu subretejo, uzu la elektitan protokolon.'
-    PROTOCOL_HTTP: 'http://'
-    PROTOCOL_HTTPS: 'https://'
     Protocol: Protokolo
     SINGULARNAME: 'Subreteja domajno'
     db_Domain: Domajno
diff --git a/lang/fi.yml b/lang/fi.yml
index 174d63fa..50b233ba 100644
--- a/lang/fi.yml
+++ b/lang/fi.yml
@@ -61,8 +61,6 @@ fi:
     IS_PRIMARY: 'On päädomain?'
     PLURALNAME: 'Alisivuston domain-osoitteet'
     PROTOCOL_AUTOMATIC: Automaattinen
-    PROTOCOL_HTTP: 'http://'
-    PROTOCOL_HTTPS: 'https://'
     Protocol: Protokolla
     SINGULARNAME: 'Alisivuston domain-osoite'
     db_Domain: Verkkotunnus
@@ -81,7 +79,6 @@ fi:
     NOTEMPLATE: 'Ei sivupohjaa'
   Subsites:
     DefaultSiteFieldLabel: Oletussivusto
-    DomainFieldLabel: Domain
     IsPublicFieldLabel: 'Aktivoi julkinen pääsy'
     LanguageFieldLabel: Kieli
     MainSiteTitle: Pääsivusto
diff --git a/lang/fr.yml b/lang/fr.yml
index a0862cc1..aaa89211 100644
--- a/lang/fr.yml
+++ b/lang/fr.yml
@@ -1,8 +1,6 @@
 fr:
   SilverStripe\Subsites\Model\Subsite:
-    ConfigurationTab: Configuration
     CustomExtraMeta: 'Balises Méta personnalisées'
-    CustomMetaDescription: Description
     CustomMetaTitle: Titre
     SiteConfigTitle: 'Nom du site'
     belongs_many_many_Groups: Groupes
diff --git a/lang/hr.yml b/lang/hr.yml
index 2341d8b4..08c46263 100644
--- a/lang/hr.yml
+++ b/lang/hr.yml
@@ -57,8 +57,6 @@ hr:
     IS_PRIMARY: 'Da li je glavna domena?'
     PLURALNAME: 'Domene podsajtova'
     PROTOCOL_AUTOMATIC: Automatsko
-    PROTOCOL_HTTP: 'http://'
-    PROTOCOL_HTTPS: 'https://'
     Protocol: Protokol
     SINGULARNAME: 'Domena podsajta'
     db_Domain: Domena
diff --git a/lang/it.yml b/lang/it.yml
index 4f15ee34..e4b890cb 100644
--- a/lang/it.yml
+++ b/lang/it.yml
@@ -35,7 +35,6 @@ it:
     CopyMessage: 'Creata una copia di {title}'
     CustomExtraMeta: 'Meta Tags personalizzati'
     CustomMetaDescription: Descrizione
-    CustomMetaKeywords: Keywords
     CustomMetaTitle: Titolo
     PLURALNAME: Sottositi
     PageTypeBlacklistField: 'Disabilita tipi di pagina?'
@@ -57,8 +56,6 @@ it:
     IS_PRIMARY: 'È il dominio primario?'
     PLURALNAME: 'Domini del sottosito'
     PROTOCOL_AUTOMATIC: Automatico
-    PROTOCOL_HTTP: 'http://'
-    PROTOCOL_HTTPS: 'https://'
     Protocol: Protocollo
     SINGULARNAME: 'Dominio del sottosito'
     db_Domain: Dominio
diff --git a/lang/nb_NO.yml b/lang/nb_NO.yml
index 2a5f08fa..602cf445 100644
--- a/lang/nb_NO.yml
+++ b/lang/nb_NO.yml
@@ -15,9 +15,6 @@ nb_NO:
   SilverStripe\Subsites\Extensions\FolderFormFactoryExtension:
     SubsiteFieldLabel: Subdomene
   SilverStripe\Subsites\Extensions\GroupSubsites:
-    ACCESSALL: 'All subsites'
-    ACCESSONLY: 'Only these subsites'
-    ACCESSRADIOTITLE: 'Give this group access to'
     SECURITYTABTITLE: subdomener
     many_many_Subsites: subdomener
   SilverStripe\Subsites\Extensions\SiteConfigSubsites:
@@ -29,10 +26,6 @@ nb_NO:
     PLURALNAME: subdomener
     SINGULARNAME: Subdomene
   SilverStripe\Subsites\Model\SubsiteDomain:
-    DOMAIN: Domain
-    PLURALNAME: 'Subsite Domains'
-    SINGULARNAME: 'Subsite Domain'
-    db_Domain: Domain
     has_one_Subsite: Subdomene
   SilverStripe\Subsites\Pages\SubsitesVirtualPage:
     SINGULARNAME: 'Subdomeners Virtuelle Side'
@@ -45,7 +38,5 @@ nb_NO:
     DOMAIN: Domain
     PLURALNAME: 'Subsite Domains'
     SINGULARNAME: 'Subsite Domain'
-  Subsites:
-    DomainFieldLabel: Domain
   SubsitesVirtualPage:
     SINGULARNAME: 'Subdomeners Virtuelle Side'
diff --git a/lang/nl.yml b/lang/nl.yml
index c38fc630..6632c846 100644
--- a/lang/nl.yml
+++ b/lang/nl.yml
@@ -3,16 +3,11 @@ nl:
     INVALID_DOMAIN: 'Ongeldige domein naam'
   SilverStripe\CMS\Model\VirtualPage:
     EDITCONTENT: 'Klik hier om inhoud aan te passen'
-  SilverStripe\Subsites\Admin\SubsiteAdmin:
-    MENUTITLE: Subsites
   SilverStripe\Subsites\Controller\SubsiteXHRController:
     MENUTITLE: Subsites
-  SilverStripe\Subsites\Extensions\FileSubsites:
-    has_one_Subsite: Subsite
   SilverStripe\Subsites\Extensions\FolderFormFactoryExtension:
     AllSitesDropdownOpt: 'Alle sites'
     SUBSITENOTICE: 'Mappen en bestanden van de Hoofdsite zijn toegankelijk voor alle subsites.'
-    SubsiteFieldLabel: Subsite
   SilverStripe\Subsites\Extensions\GroupSubsites:
     ACCESSALL: 'Alle subsites'
     ACCESSONLY: 'Alleen deze subsites'
@@ -20,20 +15,15 @@ nl:
     GlobalGroup: 'globale groep'
     MANAGE_SUBSITES: 'Beheer subsites voor groepen'
     MANAGE_SUBSITES_HELP: 'Bepaal de toegangsrechten voor groepen per subsite'
-    SECURITYTABTITLE: Subsites
     db_AccessAllSubsites: 'Toegang tot alle subsites'
-    many_many_Subsites: Subsites
   SilverStripe\Subsites\Extensions\LeftAndMainSubsites:
     SITECONTENTLEFT: 'Site inhoud'
-    Saved: 'Opgeslagen, pas onderliggende pagina''s aan.'
-  SilverStripe\Subsites\Extensions\SiteConfigSubsites:
-    has_one_Subsite: Subsite
+    Saved: "Opgeslagen, pas onderliggende pagina's aan."
   SilverStripe\Subsites\Extensions\SiteTreeSubsites:
     CopyAction: Kopieer
-    CopyToSubsite: 'Kopieer pagina''s naar subsite'
-    CopyToSubsiteWithChildren: 'Inclusief onderliggende pagina''s?'
+    CopyToSubsite: "Kopieer pagina's naar subsite"
+    CopyToSubsiteWithChildren: "Inclusief onderliggende pagina's?"
     SubsiteOperations: 'Subsite Acties'
-    has_one_Subsite: Subsite
   SilverStripe\Subsites\Model\Subsite:
     ConfigurationTab: Configuratie
     CopyMessage: 'Kopie gemaakt van {title}'
@@ -41,20 +31,16 @@ nl:
     CustomMetaDescription: Omschrijving
     CustomMetaKeywords: Sleutelwoorden
     CustomMetaTitle: Titel
-    PLURALNAME: Subsites
     PLURALS:
       one: 'Een Subsite'
       other: '{count} Subsites'
     PageTypeBlacklistField: 'Niet toegestane paginatypes?'
-    SINGULARNAME: Subsite
     SiteConfigSubtitle: 'Jouw slagzin hier'
     SiteConfigTitle: 'Jouw Site Naam'
-    ThemeFieldEmptyString: '-'
     ValidateTitle: 'Voeg een "Titel" toe'
     belongs_many_many_Groups: Groepen
     db_DefaultSite: 'Standaard Site'
     db_Language: Taal
-    db_RedirectURL: 'Redirect URL'
     db_Theme: Thema
     db_Title: Titel
   SilverStripe\Subsites\Model\SubsiteDomain:
@@ -67,14 +53,9 @@ nl:
       one: 'Een subsite domein'
       other: '{count} subsite domeinen'
     PROTOCOL_AUTOMATIC: Automatisch
-    PROTOCOL_DESCRIPTION: 'Wordt gebruikt bij het genereren van links naar deze subsite. <br />''Automatisch'' houdt in dat het huidige protocol gebruikt zal worden.'
-    PROTOCOL_HTTP: 'http://'
-    PROTOCOL_HTTPS: 'https://'
-    Protocol: Protocol
+    PROTOCOL_DESCRIPTION: "Wordt gebruikt bij het genereren van links naar deze subsite. <br />'Automatisch' houdt in dat het huidige protocol gebruikt zal worden."
     SINGULARNAME: 'Subsite Domein'
     db_Domain: Domein
-    db_Protocol: Protocol
-    has_one_Subsite: Subsite
   SilverStripe\Subsites\Pages\SubsitesVirtualPage:
     DESCRIPTION: 'Toon de inhoud van een pagina op een andere subsite'
     OverrideNote: 'Overschrijft de overgenomen tekst van de gelinkte pagina'
@@ -83,10 +64,6 @@ nl:
       one: 'Subsites Virtuele pagina'
       other: '{count} Subsites Virtuele paginas'
     SINGULARNAME: 'Subsites Virtuele pagina'
-    SubsiteField: Subsite
-  SilverStripe\Subsites\Reports\SubsiteReportWrapper:
-    ReportDropdown: Sites
-    ReportDropdownSubsite: Subsite
   Subsite:
     COPYSTRUCTURE: 'Kopieer structuur vanaf:'
     NOTEMPLATE: 'Geen template'
@@ -98,6 +75,5 @@ nl:
     MainSiteTitle: 'Hoofd site'
     PageTypeBlacklistFieldLabel: 'Paginatypes blacklist'
     PrimaryDomainFieldLabel: 'Primaire domein'
-    RedirectURLFieldLabel: 'Redirect URL'
     ThemeFieldLabel: Thema
     TitleFieldLabel: 'Subsite naam'
diff --git a/lang/ru.yml b/lang/ru.yml
index b8b801da..e1110a00 100644
--- a/lang/ru.yml
+++ b/lang/ru.yml
@@ -57,8 +57,6 @@ ru:
     IS_PRIMARY: 'Это основной домен?'
     PLURALNAME: 'Домены подсайтов'
     PROTOCOL_AUTOMATIC: Автоматически
-    PROTOCOL_HTTP: 'http://'
-    PROTOCOL_HTTPS: 'https://'
     Protocol: Протокол
     SINGULARNAME: 'Домен подсайта'
     db_Domain: Домен
diff --git a/lang/tr_TR.yml b/lang/tr_TR.yml
index 7466ef34..d14babd0 100644
--- a/lang/tr_TR.yml
+++ b/lang/tr_TR.yml
@@ -15,9 +15,6 @@ tr_TR:
   SilverStripe\Subsites\Extensions\FolderFormFactoryExtension:
     SubsiteFieldLabel: 'Alt Site'
   SilverStripe\Subsites\Extensions\GroupSubsites:
-    ACCESSALL: 'All subsites'
-    ACCESSONLY: 'Only these subsites'
-    ACCESSRADIOTITLE: 'Give this group access to'
     SECURITYTABTITLE: 'Alt Siteler'
     many_many_Subsites: 'Alt Siteler'
   SilverStripe\Subsites\Extensions\SiteConfigSubsites:
@@ -28,10 +25,6 @@ tr_TR:
     PLURALNAME: 'Alt Siteler'
     SINGULARNAME: 'Alt Site'
   SilverStripe\Subsites\Model\SubsiteDomain:
-    DOMAIN: Domain
-    PLURALNAME: 'Subsite Domains'
-    SINGULARNAME: 'Subsite Domain'
-    db_Domain: Domain
     has_one_Subsite: 'Alt Site'
   SilverStripe\Subsites\Pages\SubsitesVirtualPage:
     SINGULARNAME: 'Alt Site Sanal Sayfa'
@@ -44,7 +37,5 @@ tr_TR:
     DOMAIN: Domain
     PLURALNAME: 'Subsite Domains'
     SINGULARNAME: 'Subsite Domain'
-  Subsites:
-    DomainFieldLabel: Domain
   SubsitesVirtualPage:
     SINGULARNAME: 'Alt Site Sanal Sayfa'