diff --git a/src/memory/manager.vector-dedupe.test.ts b/src/memory/manager.vector-dedupe.test.ts
index 64242ec3f0e..d41dda1d750 100644
--- a/src/memory/manager.vector-dedupe.test.ts
+++ b/src/memory/manager.vector-dedupe.test.ts
@@ -1,7 +1,7 @@
 import fs from "node:fs/promises";
 import os from "node:os";
 import path from "node:path";
-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 type { MemoryIndexManager } from "./index.js";
 
@@ -21,9 +21,11 @@ vi.mock("./embeddings.js", () => {
 
 type MemoryInternalModule = typeof import("./internal.js");
 type TestManagerModule = typeof import("./test-manager.js");
+type MemoryIndexModule = typeof import("./index.js");
 
 let buildFileEntry: MemoryInternalModule["buildFileEntry"];
 let createMemoryManagerOrThrow: TestManagerModule["createMemoryManagerOrThrow"];
+let closeAllMemorySearchManagers: MemoryIndexModule["closeAllMemorySearchManagers"];
 
 describe("memory vector dedupe", () => {
   let workspaceDir: string;
@@ -43,10 +45,13 @@ describe("memory vector dedupe", () => {
     manager = null;
   }
 
-  beforeEach(async () => {
-    vi.resetModules();
+  beforeAll(async () => {
     ({ buildFileEntry } = await import("./internal.js"));
     ({ createMemoryManagerOrThrow } = await import("./test-manager.js"));
+    ({ closeAllMemorySearchManagers } = await import("./index.js"));
+  });
+
+  beforeEach(async () => {
     workspaceDir = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-mem-"));
     indexPath = path.join(workspaceDir, "index.sqlite");
     await seedMemoryWorkspace(workspaceDir);
@@ -54,6 +59,7 @@ describe("memory vector dedupe", () => {
 
   afterEach(async () => {
     await closeManagerIfOpen();
+    await closeAllMemorySearchManagers();
     await fs.rm(workspaceDir, { recursive: true, force: true });
   });