diff --git a/apps/login/locales/de.json b/apps/login/locales/de.json
index 25f2ad4b38..f01d3d8f10 100644
--- a/apps/login/locales/de.json
+++ b/apps/login/locales/de.json
@@ -207,6 +207,7 @@
     }
   },
   "error": {
+    "noUserCode": "Kein Benutzercode angegeben!",
     "noDeviceRequest": " Es wurde keine Geräteanforderung gefunden. Bitte überprüfen Sie die URL.",
     "unknownContext": "Der Kontext des Benutzers konnte nicht ermittelt werden. Stellen Sie sicher, dass Sie zuerst den Benutzernamen eingeben oder einen loginName als Suchparameter angeben.",
     "sessionExpired": "Ihre aktuelle Sitzung ist abgelaufen. Bitte melden Sie sich erneut an.",
diff --git a/apps/login/locales/en.json b/apps/login/locales/en.json
index efcb5a8503..49f1fb99da 100644
--- a/apps/login/locales/en.json
+++ b/apps/login/locales/en.json
@@ -207,6 +207,7 @@
     }
   },
   "error": {
+    "noUserCode": "No user code provided!",
     "noDeviceRequest": "No device request found.",
     "unknownContext": "Could not get the context of the user. Make sure to enter the username first or provide a loginName as searchParam.",
     "sessionExpired": "Your current session has expired. Please login again.",
diff --git a/apps/login/locales/es.json b/apps/login/locales/es.json
index 9a9f63f5cd..8ec58e2b55 100644
--- a/apps/login/locales/es.json
+++ b/apps/login/locales/es.json
@@ -207,6 +207,7 @@
     }
   },
   "error": {
+    "noUserCode": "¡No se proporcionó código de usuario!",
     "noDeviceRequest": "No se encontró ninguna solicitud de dispositivo.",
     "unknownContext": "No se pudo obtener el contexto del usuario. Asegúrate de ingresar primero el nombre de usuario o proporcionar un loginName como parámetro de búsqueda.",
     "sessionExpired": "Tu sesión actual ha expirado. Por favor, inicia sesión de nuevo.",
diff --git a/apps/login/locales/it.json b/apps/login/locales/it.json
index af1a60f3cd..c59aeda2ab 100644
--- a/apps/login/locales/it.json
+++ b/apps/login/locales/it.json
@@ -207,6 +207,7 @@
     }
   },
   "error": {
+    "noUserCode": "Nessun codice utente fornito!",
     "noDeviceRequest": "Nessuna richiesta di dispositivo trovata.",
     "unknownContext": "Impossibile ottenere il contesto dell'utente. Assicurati di inserire prima il nome utente o di fornire un loginName come parametro di ricerca.",
     "sessionExpired": "La tua sessione attuale è scaduta. Effettua nuovamente l'accesso.",
diff --git a/apps/login/locales/pl.json b/apps/login/locales/pl.json
index a82efd9807..132c06f10f 100644
--- a/apps/login/locales/pl.json
+++ b/apps/login/locales/pl.json
@@ -207,6 +207,7 @@
     }
   },
   "error": {
+    "noUserCode": "Nie podano kodu użytkownika!",
     "noDeviceRequest": "Nie znaleziono żądania urządzenia.",
     "unknownContext": "Nie udało się pobrać kontekstu użytkownika. Upewnij się, że najpierw wprowadziłeś nazwę użytkownika lub podałeś login jako parametr wyszukiwania.",
     "sessionExpired": "Twoja sesja wygasła. Zaloguj się ponownie.",
diff --git a/apps/login/locales/ru.json b/apps/login/locales/ru.json
index f3ac0dfa43..9a3ecd7cdd 100644
--- a/apps/login/locales/ru.json
+++ b/apps/login/locales/ru.json
@@ -207,6 +207,7 @@
     }
   },
   "error": {
+    "noUserCode": "Не указан код пользователя!",
     "noDeviceRequest": "Не найдена ни одна заявка на устройство.",
     "unknownContext": "Не удалось получить контекст пользователя. Укажите имя пользователя или loginName в параметрах поиска.",
     "sessionExpired": "Ваша сессия истекла. Войдите снова.",
diff --git a/apps/login/locales/zh.json b/apps/login/locales/zh.json
index 72c4bc4735..d0fdd44d16 100644
--- a/apps/login/locales/zh.json
+++ b/apps/login/locales/zh.json
@@ -207,6 +207,7 @@
     }
   },
   "error": {
+    "noUserCode": "未提供用户代码！",
     "noDeviceRequest": "没有找到设备请求。",
     "unknownContext": "无法获取用户的上下文。请先输入用户名或提供 loginName 作为搜索参数。",
     "sessionExpired": "当前会话已过期，请重新登录。",
diff --git a/apps/login/src/app/(login)/device/consent/page.tsx b/apps/login/src/app/(login)/device/consent/page.tsx
index 150c9b4043..9d55f4f6b8 100644
--- a/apps/login/src/app/(login)/device/consent/page.tsx
+++ b/apps/login/src/app/(login)/device/consent/page.tsx
@@ -22,7 +22,7 @@ export default async function Page(props: {
   const organization = searchParams?.organization;
 
   if (!userCode || !requestId) {
-    return <div>{t("error.no_user_code")}</div>;
+    return <div>{t("error.noUserCode")}</div>;
   }
 
   const _headers = await headers();
diff --git a/apps/login/src/app/login/route.ts b/apps/login/src/app/login/route.ts
index 365f83a225..3072f45229 100644
--- a/apps/login/src/app/login/route.ts
+++ b/apps/login/src/app/login/route.ts
@@ -1,5 +1,4 @@
 import { getAllSessions } from "@/lib/cookies";
-import { loginWithDeviceAndSession } from "@/lib/device";
 import { idpTypeToSlug } from "@/lib/idp";
 import { loginWithOIDCAndSession } from "@/lib/oidc";
 import { loginWithSAMLAndSession } from "@/lib/saml";
@@ -126,16 +125,6 @@ export async function GET(request: NextRequest) {
         sessionCookies,
         request,
       });
-    } else if (requestId.startsWith("device_")) {
-      // this finishes the login process for Device Authorization
-      return loginWithDeviceAndSession({
-        serviceUrl,
-        deviceRequest: requestId.replace("device_", ""),
-        sessionId,
-        sessions,
-        sessionCookies,
-        request,
-      });
     }
   }
 
diff --git a/apps/login/src/lib/device.ts b/apps/login/src/lib/device.ts
deleted file mode 100644
index 36074803b9..0000000000
--- a/apps/login/src/lib/device.ts
+++ /dev/null
@@ -1,125 +0,0 @@
-import { Cookie } from "@/lib/cookies";
-import { sendLoginname, SendLoginnameCommand } from "@/lib/server/loginname";
-import {
-  authorizeOrDenyDeviceAuthorization,
-  getLoginSettings,
-} from "@/lib/zitadel";
-import { Session } from "@zitadel/proto/zitadel/session/v2/session_pb";
-import { NextRequest, NextResponse } from "next/server";
-import { constructUrl } from "./service";
-import { isSessionValid } from "./session";
-
-type LoginWithOIDCandSession = {
-  serviceUrl: string;
-  deviceRequest: string;
-  sessionId: string;
-  sessions: Session[];
-  sessionCookies: Cookie[];
-  request: NextRequest;
-};
-export async function loginWithDeviceAndSession({
-  serviceUrl,
-  deviceRequest,
-  sessionId,
-  sessions,
-  sessionCookies,
-  request,
-}: LoginWithOIDCandSession) {
-  console.log(
-    `Login with session: ${sessionId} and deviceRequest: ${deviceRequest}`,
-  );
-
-  const selectedSession = sessions.find((s) => s.id === sessionId);
-
-  if (selectedSession && selectedSession.id) {
-    console.log(`Found session ${selectedSession.id}`);
-
-    const isValid = await isSessionValid({
-      serviceUrl,
-      session: selectedSession,
-    });
-
-    console.log("Session is valid:", isValid);
-
-    if (!isValid && selectedSession.factors?.user) {
-      // if the session is not valid anymore, we need to redirect the user to re-authenticate /
-      // TODO: handle IDP intent direcly if available
-      const command: SendLoginnameCommand = {
-        loginName: selectedSession.factors.user?.loginName,
-        organization: selectedSession.factors?.user?.organizationId,
-        requestId: `device_${deviceRequest}`,
-      };
-
-      const res = await sendLoginname(command);
-
-      if (res && "redirect" in res && res?.redirect) {
-        const absoluteUrl = constructUrl(request, res.redirect);
-        return NextResponse.redirect(absoluteUrl.toString());
-      }
-    }
-
-    const cookie = sessionCookies.find(
-      (cookie) => cookie.id === selectedSession?.id,
-    );
-
-    if (cookie && cookie.id && cookie.token) {
-      const session = {
-        sessionId: cookie?.id,
-        sessionToken: cookie?.token,
-      };
-
-      // works not with _rsc request
-      try {
-        const authResponse = await authorizeOrDenyDeviceAuthorization({
-          serviceUrl,
-          deviceAuthorizationId: deviceRequest,
-          session,
-        });
-        if (!authResponse) {
-          return NextResponse.json(
-            { error: "An error occurred!" },
-            { status: 500 },
-          );
-        }
-      } catch (error: unknown) {
-        // handle already handled gracefully as these could come up if old emails with requestId are used (reset password, register emails etc.)
-        console.error(error);
-        if (
-          error &&
-          typeof error === "object" &&
-          "code" in error &&
-          error?.code === 9
-        ) {
-          const loginSettings = await getLoginSettings({
-            serviceUrl,
-            organization: selectedSession.factors?.user?.organizationId,
-          });
-
-          if (loginSettings?.defaultRedirectUri) {
-            return NextResponse.redirect(loginSettings.defaultRedirectUri);
-          }
-
-          const signedinUrl = constructUrl(request, "/signedin");
-
-          signedinUrl.searchParams.set("requestId", `device_${deviceRequest}`);
-
-          if (selectedSession.factors?.user?.loginName) {
-            signedinUrl.searchParams.set(
-              "loginName",
-              selectedSession.factors?.user?.loginName,
-            );
-          }
-          if (selectedSession.factors?.user?.organizationId) {
-            signedinUrl.searchParams.set(
-              "organization",
-              selectedSession.factors?.user?.organizationId,
-            );
-          }
-          return NextResponse.redirect(signedinUrl);
-        } else {
-          return NextResponse.json({ error }, { status: 500 });
-        }
-      }
-    }
-  }
-}