diff --git a/extensions/openai/openai-codex-auth-identity.test.ts b/extensions/openai/openai-codex-auth-identity.test.ts
index bffb344e48f..21be7032d9f 100644
--- a/extensions/openai/openai-codex-auth-identity.test.ts
+++ b/extensions/openai/openai-codex-auth-identity.test.ts
@@ -1,8 +1,5 @@
 import { describe, expect, it } from "vitest";
-import {
-  resolveCodexAuthIdentity,
-  resolveCodexChatgptAccountId,
-} from "./openai-codex-auth-identity.js";
+import { resolveCodexAuthIdentity } from "./openai-codex-auth-identity.js";
 
 function createJwt(payload: Record<string, unknown>): string {
   const header = Buffer.from(JSON.stringify({ alg: "none", typ: "JWT" })).toString("base64url");
@@ -57,21 +54,3 @@ describe("resolveCodexAuthIdentity", () => {
     expect(resolveCodexAuthIdentity({ accessToken: "not-a-jwt-token" })).toEqual({});
   });
 });
-
-describe("resolveCodexChatgptAccountId", () => {
-  it("extracts the ChatGPT account id from the auth claim", () => {
-    expect(
-      resolveCodexChatgptAccountId(
-        createJwt({
-          "https://api.openai.com/auth": {
-            chatgpt_account_id: "acct_123",
-          },
-        }),
-      ),
-    ).toBe("acct_123");
-  });
-
-  it("returns undefined when the account id is missing", () => {
-    expect(resolveCodexChatgptAccountId(createJwt({}))).toBeUndefined();
-  });
-});
diff --git a/extensions/openai/openai-codex-auth-identity.ts b/extensions/openai/openai-codex-auth-identity.ts
index 21e0632b247..8fcddc76517 100644
--- a/extensions/openai/openai-codex-auth-identity.ts
+++ b/extensions/openai/openai-codex-auth-identity.ts
@@ -60,11 +60,6 @@ export function resolveCodexStableSubject(payload: CodexJwtPayload | null): stri
   return sub;
 }
 
-export function resolveCodexChatgptAccountId(token: string): string | undefined {
-  const auth = decodeCodexJwtPayload(token)?.["https://api.openai.com/auth"];
-  return trimNonEmptyString(auth?.chatgpt_account_id);
-}
-
 export function resolveCodexAccessTokenExpiry(accessToken: string): number | undefined {
   const payload = decodeCodexJwtPayload(accessToken);
   const exp = normalizeFutureEpochSeconds(payload?.exp);
diff --git a/extensions/openai/openai-codex-device-code.test.ts b/extensions/openai/openai-codex-device-code.test.ts
index 28f99c80d88..2c5bb34efc9 100644
--- a/extensions/openai/openai-codex-device-code.test.ts
+++ b/extensions/openai/openai-codex-device-code.test.ts
@@ -91,8 +91,8 @@ describe("loginOpenAICodexDeviceCode", () => {
       expect(credentials).toMatchObject({
         access: expect.any(String),
         refresh: "refresh-token-123",
-        accountId: "acct_123",
       });
+      expect(credentials).not.toHaveProperty("accountId");
       expect(credentials.expires).toBeGreaterThan(Date.now());
     } finally {
       vi.useRealTimers();
diff --git a/extensions/openai/openai-codex-device-code.ts b/extensions/openai/openai-codex-device-code.ts
index a2acef12722..9e452b144a7 100644
--- a/extensions/openai/openai-codex-device-code.ts
+++ b/extensions/openai/openai-codex-device-code.ts
@@ -1,8 +1,4 @@
-import { ensureGlobalUndiciEnvProxyDispatcher } from "openclaw/plugin-sdk/runtime-env";
-import {
-  resolveCodexAccessTokenExpiry,
-  resolveCodexChatgptAccountId,
-} from "./openai-codex-auth-identity.js";
+import { resolveCodexAccessTokenExpiry } from "./openai-codex-auth-identity.js";
 import { trimNonEmptyString } from "./openai-codex-shared.js";
 
 const OPENAI_AUTH_BASE_URL = "https://auth.openai.com";
@@ -22,7 +18,6 @@ type OpenAICodexDeviceCodeCredentials = {
   access: string;
   refresh: string;
   expires: number;
-  accountId?: string;
 };
 
 type DeviceCodeUserCodePayload = {
@@ -41,7 +36,6 @@ type DeviceCodeTokenPayload = {
 type OAuthTokenPayload = {
   access_token?: unknown;
   refresh_token?: unknown;
-  id_token?: unknown;
   expires_in?: unknown;
 };
 
@@ -259,7 +253,6 @@ async function exchangeOpenAICodexDeviceCode(params: {
   const body = parseJsonObject(bodyText) as OAuthTokenPayload | null;
   const access = trimNonEmptyString(body?.access_token);
   const refresh = trimNonEmptyString(body?.refresh_token);
-  const idToken = trimNonEmptyString(body?.id_token);
   if (!access || !refresh) {
     throw new Error("OpenAI token exchange succeeded but did not return OAuth tokens.");
   }
@@ -269,14 +262,11 @@ async function exchangeOpenAICodexDeviceCode(params: {
     expiresInMs !== undefined
       ? Date.now() + expiresInMs
       : (resolveCodexAccessTokenExpiry(access) ?? Date.now());
-  const accountId =
-    resolveCodexChatgptAccountId(access) ?? (idToken && resolveCodexChatgptAccountId(idToken));
 
   return {
     access,
     refresh,
     expires,
-    ...(accountId ? { accountId } : {}),
   };
 }
 
@@ -285,7 +275,6 @@ export async function loginOpenAICodexDeviceCode(params: {
   onVerification: (prompt: OpenAICodexDeviceCodePrompt) => Promise<void> | void;
   onProgress?: (message: string) => void;
 }): Promise<OpenAICodexDeviceCodeCredentials> {
-  ensureGlobalUndiciEnvProxyDispatcher();
   const fetchFn = params.fetchFn ?? fetch;
 
   params.onProgress?.("Requesting device code…");
diff --git a/extensions/openai/openai-codex-provider.test.ts b/extensions/openai/openai-codex-provider.test.ts
index f4f4ec25549..a9f0fccb1d7 100644
--- a/extensions/openai/openai-codex-provider.test.ts
+++ b/extensions/openai/openai-codex-provider.test.ts
@@ -252,7 +252,6 @@ describe("openai codex provider", () => {
         "eyJhbGciOiJub25lIiwidHlwIjoiSldUIn0.eyJodHRwczovL2FwaS5vcGVuYWkuY29tL2F1dGgiOnsiY2hhdGdwdF9hY2NvdW50X2lkIjoiYWNjdC1kZXZpY2UtMTIzIn19.signature",
       refresh: "device-refresh-token",
       expires: Date.now() + 60_000,
-      accountId: "acct-device-123",
     });
 
     const result = await deviceCodeMethod?.run({
@@ -283,13 +282,13 @@ describe("openai codex provider", () => {
             access:
               "eyJhbGciOiJub25lIiwidHlwIjoiSldUIn0.eyJodHRwczovL2FwaS5vcGVuYWkuY29tL2F1dGgiOnsiY2hhdGdwdF9hY2NvdW50X2lkIjoiYWNjdC1kZXZpY2UtMTIzIn19.signature",
             refresh: "device-refresh-token",
-            accountId: "acct-device-123",
           },
         },
       ],
       defaultModel: "openai-codex/gpt-5.4",
     });
     expect(result?.profiles[0]?.credential).not.toHaveProperty("idToken");
+    expect(result?.profiles[0]?.credential).not.toHaveProperty("accountId");
   });
 
   it("does not log the device pairing code in remote mode", async () => {
@@ -313,7 +312,6 @@ describe("openai codex provider", () => {
           "eyJhbGciOiJub25lIiwidHlwIjoiSldUIn0.eyJodHRwczovL2FwaS5vcGVuYWkuY29tL2F1dGgiOnsiY2hhdGdwdF9hY2NvdW50X2lkIjoiYWNjdC1kZXZpY2UtMTIzIn19.signature",
         refresh: "device-refresh-token",
         expires: Date.now() + 60_000,
-        accountId: "acct-device-123",
       };
     });
 
diff --git a/extensions/openai/openai-codex-provider.ts b/extensions/openai/openai-codex-provider.ts
index 8c64d4f6c95..a0143657559 100644
--- a/extensions/openai/openai-codex-provider.ts
+++ b/extensions/openai/openai-codex-provider.ts
@@ -30,7 +30,6 @@ import {
   readOpenAICodexCliOAuthProfile,
 } from "./openai-codex-cli-auth.js";
 import { loginOpenAICodexDeviceCode } from "./openai-codex-device-code.js";
-import { trimNonEmptyString } from "./openai-codex-shared.js";
 import {
   buildOpenAIResponsesProviderHooks,
   buildOpenAISyntheticCatalogEntry,
@@ -357,7 +356,6 @@ async function runOpenAICodexDeviceCode(ctx: ProviderAuthContext) {
       expires: creds.expires,
       email: identity.email,
       profileName: identity.profileName,
-      credentialExtra: trimNonEmptyString(creds.accountId) ? { accountId: creds.accountId } : {},
     });
   } catch (error) {
     spin.stop("OpenAI device code failed");