diff --git a/backend/src/locales/de.json b/backend/src/locales/de.json
deleted file mode 100644
index 8b34f61f4..000000000
--- a/backend/src/locales/de.json
+++ /dev/null
@@ -1,101 +0,0 @@
-{
-  "emails": {
-    "accountActivation": {
-      "activateAccount": "Konto aktivieren",
-      "emailRegistered": "deine E-Mail-Adresse wurde soeben bei Gradido registriert.",
-      "pleaseClickLink": "Klicke bitte hier, um die Registrierung abzuschließen und dein Gradido-Konto zu aktivieren.",
-      "subject": "E-Mail Überprüfung",
-      "title": "E-Mail Überprüfung"
-    },
-    "accountMultiRegistration": {
-      "contactSupport": "Support kontaktieren",
-      "emailExists": "Es existiert jedoch zu deiner E-Mail-Adresse schon ein Konto.",
-      "emailReused": "deine E-Mail-Adresse wurde soeben erneut benutzt, um bei Gradido ein Konto zu registrieren.",
-      "ifYouAreNotTheOne": "Wenn du nicht versucht hast dich erneut zu registrieren, wende dich bitte an unseren Support:",
-      "onForgottenPasswordClickLink": "Solltest du dein Passwort vergessen haben, klicke bitte hier.",
-      "subject": "Erneuter Registrierungsversuch mit deiner E-Mail",
-      "title": "Erneuter Registrierungsversuch mit deiner E-Mail"
-    },
-    "addedContributionMessage": {
-      "commonGoodContributionMessage": "du hast zu deinem Gemeinwohl-Beitrag „{contributionMemo}“ eine Nachricht von {senderFirstName} {senderLastName} erhalten.",
-      "readMessage": "Nachricht lesen und beantworten",
-      "subject": "Nachricht zu deinem Gemeinwohl-Beitrag",
-      "title": "Nachricht zu deinem Gemeinwohl-Beitrag",
-      "message": "„{message}“",
-      "toSeeAndAnswerMessage": "Um auf die Nachricht zu antworten, gehe in deinem Gradido-Konto ins Menü „Schöpfen“ auf den Tab „Meine Beiträge“."
-    },
-    "contribution": {
-      "toSeeContributionsAndMessages": "Um deine Gemeinwohl-Beiträge und dazugehörige Nachrichten zu sehen, gehe in deinem Gradido-Konto ins Menü „Schöpfen“ auf den Tab „Meine Beiträge“."
-    },
-    "contributionChangedByModerator": {
-      "subject": "Dein Gemeinwohl-Beitrag wurde geändert",
-      "text": "dein Gemeinwohl-Beitrag „{contributionMemo}“ wurde soeben von {senderFirstName} {senderLastName} geändert und lautet jetzt „{contributionMemoUpdated}“",
-      "title": "Dein Gemeinwohl-Beitrag wurde geändert"
-    },
-    "contributionConfirmed": {
-      "commonGoodContributionConfirmed": "dein Gemeinwohl-Beitrag „{contributionMemo}“ wurde soeben von {senderFirstName} {senderLastName} bestätigt. Es wurden deinem Gradido-Konto {amountGDD} GDD gutgeschrieben.",
-      "subject": "Dein Gemeinwohl-Beitrag wurde bestätigt",
-      "title": "Dein Gemeinwohl-Beitrag wurde bestätigt"
-    },
-    "contributionDeleted": {
-      "commonGoodContributionDeleted": "dein Gemeinwohl-Beitrag „{contributionMemo}“ wurde von {senderFirstName} {senderLastName} gelöscht.",
-      "subject": "Dein Gemeinwohl-Beitrag wurde gelöscht",
-      "title": "Dein Gemeinwohl-Beitrag wurde gelöscht"
-    },
-    "contributionDenied": {
-      "commonGoodContributionDenied": "dein Gemeinwohl-Beitrag „{contributionMemo}“ wurde von {senderFirstName} {senderLastName} abgelehnt.",
-      "subject": "Dein Gemeinwohl-Beitrag wurde abgelehnt",
-      "title": "Dein Gemeinwohl-Beitrag wurde abgelehnt"
-    },
-    "footer": {
-      "contactOurSupport": "Bei weiteren Fragen kontaktiere bitte unseren Support.",
-      "imprint": "Impressum",
-      "imprintAddress": "Gradido-Akademie\nInstitut für Wirtschaftsbionik\nPfarrweg 2\n74653 Künzelsau\nDeutschland",
-      "imprintImageAlt": "Gradido-Akademie Logo",
-      "privacyPolicy": "Datenschutzerklärung",
-      "supportEmail": "support@gradido.net"
-    },
-    "general": {
-      "amountGDD": "Betrag: {amountGDD} GDD",
-      "answerNow": "Jetzt antworten",
-      "completeRegistration": "Registrierung abschließen",
-      "contribution": "Gemeinwohl-Beitrag: {contributionMemo}",
-      "contributionDetails": "Beitragsdetails",
-      "detailsYouFindOnLinkToYourAccount": "Details zur Transaktion findest du in deinem Gradido-Konto.",
-      "helloName": "Hallo {firstName} {lastName},",
-      "linkValidity": "Der Link hat eine Gültigkeit von {hours} Stunden.\nSollte die Gültigkeit des Links bereits abgelaufen sein, kannst du dir hier einen neuen Link schicken lassen.",
-      "linkValidityWithMinutes": "Der Link hat eine Gültigkeit von {hours} Stunden und {minutes} Minuten.\nSollte die Gültigkeit des Links bereits abgelaufen sein, kannst du dir hier einen neuen Link schicken lassen.",
-      "message": "Nachricht",
-      "newLink": "Neuer Link",
-      "orCopyLink": "Oder kopiere den Link in dein Browserfenster.",
-      "pleaseDoNotReply": "Bitte antworte nicht auf diese E-Mail.",
-      "requestNewLink": "Neuen gültigen Link anfordern",
-      "reset": "zurücksetzen",
-      "sincerelyYours": "Liebe Grüße",
-      "toAccount": "Zum Konto",
-      "transactionDetails": "Transaktionsdetails",
-      "yourGradidoTeam": "dein Gradido-Team"
-    },
-    "resetPassword": {
-      "pleaseClickLink": "Wenn du es warst, klicke bitte hier.",
-      "subject": "Passwort zurücksetzen",
-      "title": "Passwort zurücksetzen",
-      "youOrSomeoneResetPassword": "du oder jemand anderes, hast für dieses Konto ein Zurücksetzen des Passworts angefordert."
-    },
-    "transactionLinkRedeemed": {
-      "hasRedeemedYourLink": "{senderFirstName} {senderLastName} ({senderEmail}) hat soeben deinen Link eingelöst.",
-      "memo": "Nachricht: {transactionMemo}",
-      "subject": "{senderFirstName} {senderLastName} hat deinen Gradido-Link eingelöst",
-      "title": "{senderFirstName} {senderLastName} hat deinen Gradido-Link eingelöst"
-    },
-    "transactionReceived": {
-      "haveReceivedAmountGDDFrom": "du hast soeben {transactionAmount} GDD erhalten von {senderFirstName} {senderLastName}",
-      "subject": "{senderFirstName} {senderLastName} hat dir {transactionAmount} Gradido gesendet",
-      "replySubject": "Re: {senderFirstName} {senderLastName} hat dir {transactionAmount} Gradido gesendet",
-      "title": "{senderFirstName} {senderLastName} hat dir {transactionAmount} Gradido gesendet"
-    }
-  },
-  "general": {
-    "decimalSeparator": ","
-  }
-}
diff --git a/backend/src/locales/en.json b/backend/src/locales/en.json
deleted file mode 100644
index fb90a0334..000000000
--- a/backend/src/locales/en.json
+++ /dev/null
@@ -1,101 +0,0 @@
-{
-  "emails": {
-    "accountActivation": {
-      "activateAccount": "Activate account",
-      "emailRegistered": "Your email address has just been registered with Gradido.",
-      "pleaseClickLink": "Please click here to complete the registration and activate your Gradido account.",
-      "subject": "Email Verification",
-      "title": "Email Verification"
-    },
-    "accountMultiRegistration": {
-      "contactSupport": "Contact support",
-      "emailExists": "However, an account already exists for your email address.",
-      "emailReused": "Your email address has just been used again to register an account with Gradido.",
-      "ifYouAreNotTheOne": "If you did not try to register again, please contact our support:",
-      "onForgottenPasswordClickLink": "If you have forgotten your password, please click here.",
-      "subject": "Try To Register Again With Your Email",
-      "title": "Try To Register Again With Your Email"
-    },
-    "addedContributionMessage": {
-      "commonGoodContributionMessage": "You have received a message from {senderFirstName} {senderLastName} regarding your common good contribution “{contributionMemo}”.",
-      "readMessage": "Read and reply to message",
-      "subject": "Message about your common good contribution",
-      "title": "Message about your common good contribution",
-      "message": "„{message}“",
-      "toSeeAndAnswerMessage": "To reply to the message, go to the “Creation” menu in your Gradido account and click on the “My contributions” tab."
-    },
-    "contribution": {
-      "toSeeContributionsAndMessages": "To see your common good contributions and related messages, go to the “Creation” menu in your Gradido account and click on the “My contributions” tab."
-    },
-    "contributionChangedByModerator": {
-      "subject": "Your common good contribution has been changed",
-      "text": "your common good contribution '{contributionMemo}' has just been changed by {senderFirstName} {senderLastName} and now reads as '{contributionMemoUpdated}'",
-      "title": "Your common good contribution has been changed"
-    },
-    "contributionConfirmed": {
-      "commonGoodContributionConfirmed": "Your common good contribution “{contributionMemo}” has just been approved by {senderFirstName} {senderLastName}. Your Gradido account has been credited with {amountGDD} GDD.",
-      "subject": "Your contribution to the common good was confirmed",
-      "title": "Your contribution to the common good was confirmed"
-    },
-    "contributionDeleted": {
-      "commonGoodContributionDeleted": "Your common good contribution “{contributionMemo}” was deleted by {senderFirstName} {senderLastName}.",
-      "subject": "Your common good contribution was deleted",
-      "title": "Your common good contribution was deleted"
-    },
-    "contributionDenied": {
-      "commonGoodContributionDenied": "Your common good contribution “{contributionMemo}” was rejected by {senderFirstName} {senderLastName}.",
-      "subject": "Your common good contribution was rejected",
-      "title": "Your common good contribution was rejected"
-    },
-    "footer": {
-      "contactOurSupport": "If you have any further questions, please contact our support.",
-      "imprint": "Impressum",
-      "imprintAddress": "Gradido-Akademie\nInstitut für Wirtschaftsbionik\nPfarrweg 2\n74653 Künzelsau\nDeutschland",
-      "imprintImageAlt": "Gradido-Akademie Logo",
-      "privacyPolicy": "Privacy Policy",
-      "supportEmail": "support@gradido.net"
-    },
-    "general": {
-      "amountGDD": "Amount: {amountGDD} GDD",
-      "answerNow": "Reply",
-      "completeRegistration": "Complete registration",
-      "contribution": "Contribution: : {contributionMemo}",
-      "contributionDetails": "Contribution details",
-      "detailsYouFindOnLinkToYourAccount": "You can find transaction details in your Gradido account.",
-      "helloName": "Hello {firstName} {lastName},",
-      "linkValidity": "The link has a validity of {hours} hours.\nIf the validity of the link has already expired, you can have a new link sent to you here.",
-      "linkValidityWithMinutes": "The link has a validity of {hours} hours and {minutes} minutes.\nIf the validity of the link has already expired, you can have a new link sent to you here.",
-      "message": "Message",
-      "newLink": "New link",
-      "orCopyLink": "Or copy the link into your browser window.",
-      "pleaseDoNotReply": "Please do not reply to this email.",
-      "requestNewLink": "Request new valid link",
-      "reset": "reset",
-      "sincerelyYours": "Kind regards,",
-      "toAccount": "To account",
-      "transactionDetails": "Transaction details",
-      "yourGradidoTeam": "your Gradido team"
-    },
-    "resetPassword": {
-      "pleaseClickLink": "If it was you, please click here.",
-      "subject": "Reset password",
-      "title": "Reset password",
-      "youOrSomeoneResetPassword": "You, or someone else, requested a password reset for this account."
-    },
-    "transactionLinkRedeemed": {
-      "hasRedeemedYourLink": "{senderFirstName} {senderLastName} ({senderEmail}) has just redeemed your link.",
-      "memo": "Message: {transactionMemo}",
-      "subject": "{senderFirstName} {senderLastName} has redeemed your Gradido link",
-      "title": "{senderFirstName} {senderLastName} has redeemed your Gradido link"
-    },
-    "transactionReceived": {
-      "haveReceivedAmountGDDFrom": "You have just received {transactionAmount} GDD from {senderFirstName} {senderLastName}",
-      "replySubject": "RE: {senderFirstName} {senderLastName} has sent you {transactionAmount} Gradido",
-      "subject": "{senderFirstName} {senderLastName} has sent you {transactionAmount} Gradido",
-      "title": "{senderFirstName} {senderLastName} has sent you {transactionAmount} Gradido"
-    }
-  },
-  "general": {
-    "decimalSeparator": "."
-  }
-}
diff --git a/backend/src/server/createServer.ts b/backend/src/server/createServer.ts
index 5f3bb02ef..eaa2ea5b4 100644
--- a/backend/src/server/createServer.ts
+++ b/backend/src/server/createServer.ts
@@ -1,4 +1,5 @@
 import { CONFIG } from '@/config'
+import { CONFIG as CORE_CONFIG } from 'core'
 import { schema } from '@/graphql/schema'
 import { elopageWebhook } from '@/webhook/elopage'
 import { gmsWebhook } from '@/webhook/gms'
@@ -28,7 +29,6 @@ interface ServerDef {
 export const createServer = async (
   apolloLogger: Logger,
   context: any = serverContext,
-  localization: i18n.I18n = i18n,
 ): Promise<ServerDef> => {
   const logger = getLogger(`${LOG4JS_BASE_CATEGORY_NAME}.server.createServer`)
   logger.debug('createServer...')
@@ -73,9 +73,9 @@ export const createServer = async (
   app.use(json())
   // bodyparser urlencoded for elopage
   app.use(urlencoded({ extended: true }))
-
+  
   // i18n
-  app.use(localization.init)
+  app.use(i18n.init)
 
   // Elopage Webhook
 
@@ -100,7 +100,7 @@ export const createServer = async (
   })
   apollo.applyMiddleware({ app, path: '/' })
   logger.info(
-    `running with PRODUCTION=${CONFIG.PRODUCTION}, sending EMAIL enabled=${CONFIG.EMAIL} and EMAIL_TEST_MODUS=${CONFIG.EMAIL_TEST_MODUS} ...`,
+    `running with PRODUCTION=${CONFIG.PRODUCTION}, sending EMAIL enabled=${CORE_CONFIG.EMAIL} and EMAIL_TEST_MODUS=${CORE_CONFIG.EMAIL_TEST_MODUS} ...`,
   )
   logger.debug('createServer...successful')
 
diff --git a/backend/src/server/localization.ts b/backend/src/server/localization.ts
index 1e587104a..16f9d54b6 100644
--- a/backend/src/server/localization.ts
+++ b/backend/src/server/localization.ts
@@ -1,4 +1,3 @@
-import path from 'node:path'
 import { LOG4JS_BASE_CATEGORY_NAME } from '@/config/const'
 import i18n from 'i18n'
 import { getLogger } from 'log4js'
@@ -9,7 +8,7 @@ i18n.configure({
   locales: ['en', 'de'],
   defaultLocale: 'en',
   retryInDefaultLocale: false,
-  directory: path.join(__dirname, '..', 'locales'),
+  staticCatalog: {'en': {}, 'de': {}},
   // autoReload: true, // if this is activated the seeding hangs at the very end
   updateFiles: false,
   objectNotation: true,