diff --git a/src/infra/outbound/deliver.lifecycle.test.ts b/src/infra/outbound/deliver.lifecycle.test.ts
index c8ce22b826b..dd32b1648d8 100644
--- a/src/infra/outbound/deliver.lifecycle.test.ts
+++ b/src/infra/outbound/deliver.lifecycle.test.ts
@@ -1,4 +1,4 @@
-import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
+import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
 import type { OpenClawConfig } from "../../config/config.js";
 import { setActivePluginRegistry } from "../../plugins/runtime.js";
 import { createOutboundTestPlugin, createTestRegistry } from "../../test-utils/channel-plugins.js";
@@ -77,9 +77,11 @@ function expectSuccessfulWhatsAppInternalHookPayload(
 }
 
 describe("deliverOutboundPayloads lifecycle", () => {
-  beforeEach(async () => {
-    vi.resetModules();
+  beforeAll(async () => {
     ({ deliverOutboundPayloads } = await import("./deliver.js"));
+  });
+
+  beforeEach(() => {
     resetDeliverTestState();
     resetDeliverTestMocks({ includeSessionMocks: true });
   });
diff --git a/src/tts/tts.test.ts b/src/tts/tts.test.ts
index ade83c0b30a..6aa74cc29fe 100644
--- a/src/tts/tts.test.ts
+++ b/src/tts/tts.test.ts
@@ -1,5 +1,5 @@
 import { completeSimple, type AssistantMessage } from "@mariozechner/pi-ai";
-import { describe, expect, it, vi, beforeEach } from "vitest";
+import { beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
 import { ensureCustomApiRegistered } from "../agents/custom-api-registry.js";
 import { getApiKeyForModel } from "../agents/model-auth.js";
 import { resolveModelAsync } from "../agents/pi-embedded-runner/model.js";
@@ -374,8 +374,7 @@ describe("tts", () => {
       messages: { tts: {} },
     };
 
-    beforeEach(async () => {
-      vi.resetModules();
+    beforeAll(async () => {
       ({ completeSimple: completeSimpleForTest } = await import("@mariozechner/pi-ai"));
       ({ getApiKeyForModel: getApiKeyForModelForTest } = await import("../agents/model-auth.js"));
       ({ resolveModelAsync: resolveModelAsyncForTest } =
@@ -385,6 +384,9 @@ describe("tts", () => {
       const ttsModule = await import("./tts.js");
       summarizeTextForTest = ttsModule._test.summarizeText;
       resolveTtsConfigForTest = ttsModule.resolveTtsConfig;
+    });
+
+    beforeEach(() => {
       vi.mocked(completeSimpleForTest).mockResolvedValue(
         mockAssistantMessage([{ type: "text", text: "Summary" }]),
       );