diff --git a/src/agents/openclaw-tools.subagents.sessions-spawn-announces-agent-wait-lifecycle-events.e2e.test.ts b/src/agents/openclaw-tools.subagents.sessions-spawn-announces-agent-wait-lifecycle-events.e2e.test.ts
index df5d0e01635..3258b70f2d6 100644
--- a/src/agents/openclaw-tools.subagents.sessions-spawn-announces-agent-wait-lifecycle-events.e2e.test.ts
+++ b/src/agents/openclaw-tools.subagents.sessions-spawn-announces-agent-wait-lifecycle-events.e2e.test.ts
@@ -1,4 +1,4 @@
-import { beforeEach, describe, expect, it, vi } from "vitest";
+import { beforeEach, describe, expect, it } from "vitest";
 import { sleep } from "../utils.js";
 import "./test-helpers/fast-core-tools.js";
 import { createOpenClawTools } from "./openclaw-tools.js";
diff --git a/src/agents/openclaw-tools.subagents.sessions-spawn-resolves-main-announce-target-from.e2e.test.ts b/src/agents/openclaw-tools.subagents.sessions-spawn-resolves-main-announce-target-from.e2e.test.ts
index 161826410ee..95a55162e1b 100644
--- a/src/agents/openclaw-tools.subagents.sessions-spawn-resolves-main-announce-target-from.e2e.test.ts
+++ b/src/agents/openclaw-tools.subagents.sessions-spawn-resolves-main-announce-target-from.e2e.test.ts
@@ -1,4 +1,4 @@
-import { beforeEach, describe, expect, it, vi } from "vitest";
+import { beforeEach, describe, expect, it } from "vitest";
 import { emitAgentEvent } from "../infra/agent-events.js";
 import { sleep } from "../utils.ts";
 import { createOpenClawTools } from "./openclaw-tools.js";