diff --git a/apps/cm/src/entities/auth/api/auth-service.ts b/apps/cm/src/entities/auth/api/auth-service.ts
index 721007103..073f95fe2 100644
--- a/apps/cm/src/entities/auth/api/auth-service.ts
+++ b/apps/cm/src/entities/auth/api/auth-service.ts
@@ -18,29 +18,14 @@ import {
 } from "../lib/token-manager";
 import { clearDeviceId, getOrCreateDeviceId } from "../lib/device-id";
 
-function resolveLoginError(message: string | undefined): string {
-  switch (message) {
-    case "Invalid Credentials":
-      return "아이디와 비밀번호가 일치하지 않습니다.";
-    case "User not found":
-      return "존재하지 않는 아이디입니다.";
-    case "User is not active":
-      return "활성화되지 않은 계정입니다.";
-    case "User is not verified":
-      return "이메일 인증이 필요합니다.";
-    default:
-      return message ?? "로그인에 실패했습니다.";
-  }
-}
-
 function completeSession(accessToken: string, tokenId: string): void {
   setToken(CLAIM_NAME, accessToken);
   setToken(AUTH_USER_ID, tokenId);
 
-  const remainingMs = getRemainingMs(accessToken);
-  if (remainingMs > 0) {
-    setupRefreshTimer(silentRefresh, remainingMs);
-  }
+  // const remainingMs = getRemainingMs(accessToken);
+  // if (remainingMs > 0) {
+  //   setupRefreshTimer(silentRefresh, remainingMs);
+  // }
 }
 
 async function login(payload: AuthPayload): Promise<void> {
@@ -55,12 +40,8 @@ async function login(payload: AuthPayload): Promise<void> {
 
   const data = await response.json();
 
-  if (!response.ok) {
-    throw new Error(resolveLoginError(data?.message));
-  }
-
-  const accessToken = data[ACCESS_TOKEN] as string | undefined;
-  const tokenId = data[AUTH_USER_ID] as string | undefined;
+  const accessToken = data[ACCESS_TOKEN];
+  const tokenId = data[AUTH_USER_ID];
 
   if (!accessToken || !tokenId) {
     throw new Error("인증 토큰을 받지 못했습니다.");
@@ -88,8 +69,8 @@ async function silentRefresh(): Promise<void> {
       throw new Error(data?.message ?? "토큰 갱신에 실패했습니다.");
     }
 
-    const accessToken = data[ACCESS_TOKEN] as string | undefined;
-    const tokenId = data[AUTH_USER_ID] as string | undefined;
+    const accessToken = data[ACCESS_TOKEN];
+    const tokenId = data[AUTH_USER_ID];
 
     if (!accessToken || !tokenId) {
       throw new Error("갱신된 인증 토큰을 받지 못했습니다.");