diff --git a/extensions/codex/src/app-server/thread-lifecycle.user-mcp-servers.test.ts b/extensions/codex/src/app-server/thread-lifecycle.user-mcp-servers.test.ts
index e04acb196ab7..3af0719abc6c 100644
--- a/extensions/codex/src/app-server/thread-lifecycle.user-mcp-servers.test.ts
+++ b/extensions/codex/src/app-server/thread-lifecycle.user-mcp-servers.test.ts
@@ -7,6 +7,7 @@ import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import type { CodexAppServerRuntimeOptions } from "./config.js";
 import {
   readCodexAppServerBinding,
+  registerCodexTestSessionIdentity,
   resetCodexTestBindingStore,
   testCodexAppServerBindingStore,
   writeCodexAppServerBinding,