diff --git a/src/acp/translator.session-rate-limit.test.ts b/src/acp/translator.session-rate-limit.test.ts
index bf305a1d20b..3f0540b2736 100644
--- a/src/acp/translator.session-rate-limit.test.ts
+++ b/src/acp/translator.session-rate-limit.test.ts
@@ -745,7 +745,7 @@ describe("acp setSessionConfigOption bridge behavior", () => {
   it("accepts forwarded timeout config options without failing OpenClaw ACP bridge turns", async () => {
     const sessionStore = createInMemorySessionStore();
     const connection = createAcpConnection();
-    const request = vi.fn(async (method: string, params?: unknown) => {
+    const request = vi.fn(async (method: string) => {
       if (method === "sessions.list") {
         return {
           ts: Date.now(),