diff --git a/src/cli/ports.test.ts b/src/cli/ports.test.ts
index 082dfa09a12..26761d59f06 100644
--- a/src/cli/ports.test.ts
+++ b/src/cli/ports.test.ts
@@ -5,8 +5,8 @@ import { describe, expect, it, vi } from "vitest";
 // Hoist the factory so vi.mock can access it.
 const mockCreateServer = vi.hoisted(() => vi.fn());
 
-vi.mock("node:net", async (importOriginal) => {
-  const actual = await importOriginal<typeof import("node:net")>();
+vi.mock("node:net", async () => {
+  const actual = await vi.importActual<typeof import("node:net")>("node:net");
   return { ...actual, createServer: mockCreateServer };
 });
 
diff --git a/src/cli/update-cli/restart-helper.test.ts b/src/cli/update-cli/restart-helper.test.ts
index e45b7c751c5..cba22205262 100644
--- a/src/cli/update-cli/restart-helper.test.ts
+++ b/src/cli/update-cli/restart-helper.test.ts
@@ -3,11 +3,14 @@ import fs from "node:fs/promises";
 import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
 import { prepareRestartScript, runRestartScript } from "./restart-helper.js";
 
-vi.mock("node:child_process", async (importOriginal) => {
+vi.mock("node:child_process", async () => {
   const { mockNodeBuiltinModule } = await import("../../../test/helpers/node-builtin-mocks.js");
-  return mockNodeBuiltinModule(importOriginal, {
-    spawn: vi.fn(),
-  });
+  return mockNodeBuiltinModule(
+    () => vi.importActual<typeof import("node:child_process")>("node:child_process"),
+    {
+      spawn: vi.fn(),
+    },
+  );
 });
 
 describe("restart-helper", () => {
diff --git a/src/infra/npm-pack-install.test.ts b/src/infra/npm-pack-install.test.ts
index 94d732deef6..e0e5f7e2c07 100644
--- a/src/infra/npm-pack-install.test.ts
+++ b/src/infra/npm-pack-install.test.ts
@@ -7,8 +7,10 @@ import {
   installFromNpmSpecArchiveWithInstaller,
 } from "./npm-pack-install.js";
 
-vi.mock("./install-source-utils.js", async (importOriginal) => {
-  const actual = await importOriginal<typeof import("./install-source-utils.js")>();
+vi.mock("./install-source-utils.js", async () => {
+  const actual = await vi.importActual<typeof import("./install-source-utils.js")>(
+    "./install-source-utils.js",
+  );
   return {
     ...actual,
     withTempDir: vi.fn(async (_prefix: string, fn: (tmpDir: string) => Promise<unknown>) => {
diff --git a/src/infra/outbound/outbound-send-service.test.ts b/src/infra/outbound/outbound-send-service.test.ts
index 4a7dc931bb4..e330530374e 100644
--- a/src/infra/outbound/outbound-send-service.test.ts
+++ b/src/infra/outbound/outbound-send-service.test.ts
@@ -62,8 +62,10 @@ vi.mock("../../media/read-capability.js", () => ({
   resolveAgentScopedOutboundMediaAccess: mocks.resolveAgentScopedOutboundMediaAccess,
 }));
 
-vi.mock("../../media/local-roots.js", async (importOriginal) => {
-  const actual = await importOriginal<typeof import("../../media/local-roots.js")>();
+vi.mock("../../media/local-roots.js", async () => {
+  const actual = await vi.importActual<typeof import("../../media/local-roots.js")>(
+    "../../media/local-roots.js",
+  );
   return {
     ...actual,
     getDefaultMediaLocalRoots: mocks.getDefaultMediaLocalRoots,
diff --git a/src/infra/ssh-config.test.ts b/src/infra/ssh-config.test.ts
index db1c34255da..5829d32b465 100644
--- a/src/infra/ssh-config.test.ts
+++ b/src/infra/ssh-config.test.ts
@@ -16,7 +16,7 @@ function createMockSpawnChild() {
   return { child, stdout };
 }
 
-vi.mock("node:child_process", async (importOriginal) => {
+vi.mock("node:child_process", async () => {
   const { mockNodeBuiltinModule } = await import("../../test/helpers/node-builtin-mocks.js");
   const spawn = vi.fn(() => {
     const { child, stdout } = createMockSpawnChild();
@@ -36,9 +36,12 @@ vi.mock("node:child_process", async (importOriginal) => {
     });
     return child;
   });
-  return mockNodeBuiltinModule(importOriginal, {
-    spawn,
-  });
+  return mockNodeBuiltinModule(
+    () => vi.importActual<typeof import("node:child_process")>("node:child_process"),
+    {
+      spawn,
+    },
+  );
 });
 
 const spawnMock = vi.mocked(spawn);