diff --git a/test/helpers/memory-tool-manager-mock.ts b/extensions/memory-core/src/memory-tool-manager-mock.ts
similarity index 84%
rename from test/helpers/memory-tool-manager-mock.ts
rename to extensions/memory-core/src/memory-tool-manager-mock.ts
index 12a5e8aeebb..4397a4d817a 100644
--- a/test/helpers/memory-tool-manager-mock.ts
+++ b/extensions/memory-core/src/memory-tool-manager-mock.ts
@@ -39,20 +39,7 @@ const readAgentMemoryFileMock = vi.fn(
   async (params: MemoryReadParams) => await readFileImpl(params),
 );
 
-const { memoryIndexModuleId, memoryToolsRuntimeModuleId } = vi.hoisted(() => ({
-  memoryIndexModuleId: "../../extensions/memory-core/src/memory/index.js",
-  memoryToolsRuntimeModuleId: "../../extensions/memory-core/src/tools.runtime.js",
-}));
-
-vi.mock(memoryIndexModuleId, () => ({
-  getMemorySearchManager: getMemorySearchManagerMock,
-}));
-
-vi.mock("../../src/memory-host-sdk/host/read-file.js", () => ({
-  readAgentMemoryFile: readAgentMemoryFileMock,
-}));
-
-vi.mock(memoryToolsRuntimeModuleId, () => ({
+vi.mock("./tools.runtime.js", () => ({
   resolveMemoryBackendConfig: ({
     cfg,
   }: {
diff --git a/extensions/memory-core/src/tools.citations.test.ts b/extensions/memory-core/src/tools.citations.test.ts
index c2bce446936..cc5461d711d 100644
--- a/extensions/memory-core/src/tools.citations.test.ts
+++ b/extensions/memory-core/src/tools.citations.test.ts
@@ -14,7 +14,7 @@ import {
   setMemorySearchImpl,
   setMemoryWorkspaceDir,
   type MemoryReadParams,
-} from "../../../test/helpers/memory-tool-manager-mock.js";
+} from "./memory-tool-manager-mock.js";
 import { createMemoryCoreTestHarness } from "./test-helpers.js";
 import {
   asOpenClawConfig,
diff --git a/extensions/memory-core/src/tools.recall-tracking.test.ts b/extensions/memory-core/src/tools.recall-tracking.test.ts
index 6c25c1e36c8..7e6485a4607 100644
--- a/extensions/memory-core/src/tools.recall-tracking.test.ts
+++ b/extensions/memory-core/src/tools.recall-tracking.test.ts
@@ -1,11 +1,11 @@
 import type { MemorySearchResult } from "openclaw/plugin-sdk/memory-core-host-runtime-files";
 import { beforeEach, describe, expect, it, vi } from "vitest";
+import type { OpenClawConfig } from "../api.js";
 import {
   resetMemoryToolMockState,
   setMemoryBackend,
   setMemorySearchImpl,
-} from "../../../test/helpers/memory-tool-manager-mock.js";
-import type { OpenClawConfig } from "../api.js";
+} from "./memory-tool-manager-mock.js";
 import { createMemorySearchTool } from "./tools.js";
 
 type RecordShortTermRecallsFn = (params: {
diff --git a/extensions/memory-core/src/tools.test.ts b/extensions/memory-core/src/tools.test.ts
index 158fb845bca..276cd754d83 100644
--- a/extensions/memory-core/src/tools.test.ts
+++ b/extensions/memory-core/src/tools.test.ts
@@ -1,8 +1,5 @@
 import { beforeEach, describe, it } from "vitest";
-import {
-  resetMemoryToolMockState,
-  setMemorySearchImpl,
-} from "../../../test/helpers/memory-tool-manager-mock.js";
+import { resetMemoryToolMockState, setMemorySearchImpl } from "./memory-tool-manager-mock.js";
 import {
   createMemorySearchToolOrThrow,
   expectUnavailableMemorySearchDetails,