diff --git a/packages/vitest/src/config.ts b/packages/vitest/src/config.ts
index 541d610a56ab..84dd44482d89 100644
--- a/packages/vitest/src/config.ts
+++ b/packages/vitest/src/config.ts
@@ -6,7 +6,6 @@ export interface UserConfig extends ViteUserConfig {
 }
 
 export interface UserWorkspaceConfig extends ViteUserConfig {
-  extends?: string
   test?: ProjectConfig
 }
 
@@ -29,6 +28,6 @@ export function defineProject(config: UserProjectConfigExport) {
   return config
 }
 
-export function defineWorkspace(config: (string | UserProjectConfigExport)[]) {
+export function defineWorkspace(config: (string | (UserProjectConfigExport & { extends?: string }))[]) {
   return config
 }
diff --git a/packages/vitest/src/node/pools/threads.ts b/packages/vitest/src/node/pools/threads.ts
index 4961b15c3070..3335ed477788 100644
--- a/packages/vitest/src/node/pools/threads.ts
+++ b/packages/vitest/src/node/pools/threads.ts
@@ -9,7 +9,7 @@ import { distDir } from '../../paths'
 import type { ContextTestEnvironment, ResolvedConfig, RuntimeRPC, Vitest, WorkerContext } from '../../types'
 import type { PoolProcessOptions, ProcessPool, RunWithFiles } from '../pool'
 import { envsOrder, groupFilesByEnv } from '../../utils/test-helpers'
-import { groupBy } from '../../utils/base'
+import { AggregateError, groupBy } from '../../utils/base'
 import type { WorkspaceProject } from '../workspace'
 import { createMethodsRPC } from './rpc'
 
diff --git a/packages/vitest/src/node/workspace.ts b/packages/vitest/src/node/workspace.ts
index 895d4e79f280..2c306d220db1 100644
--- a/packages/vitest/src/node/workspace.ts
+++ b/packages/vitest/src/node/workspace.ts
@@ -19,7 +19,7 @@ interface InitializeOptions {
   runner?: ViteNodeRunner
 }
 
-export async function initializeProject(workspacePath: string | number, ctx: Vitest, options: UserWorkspaceConfig = {}) {
+export async function initializeProject(workspacePath: string | number, ctx: Vitest, options: (UserWorkspaceConfig & { extends?: string }) = {}) {
   const project = new WorkspaceProject(workspacePath, ctx)
 
   const configFile = options.extends
diff --git a/packages/vitest/src/runtime/entry.ts b/packages/vitest/src/runtime/entry.ts
index e16f75285214..471f02fd6497 100644
--- a/packages/vitest/src/runtime/entry.ts
+++ b/packages/vitest/src/runtime/entry.ts
@@ -1,3 +1,4 @@
+import { performance } from 'node:perf_hooks'
 import type { VitestRunner, VitestRunnerConstructor } from '@vitest/runner'
 import { startTests } from '@vitest/runner'
 import { resolve } from 'pathe'
diff --git a/packages/vitest/src/runtime/runners/benchmark.ts b/packages/vitest/src/runtime/runners/benchmark.ts
index d64f556b2014..81a8d013253d 100644
--- a/packages/vitest/src/runtime/runners/benchmark.ts
+++ b/packages/vitest/src/runtime/runners/benchmark.ts
@@ -1,3 +1,4 @@
+import { performance } from 'node:perf_hooks'
 import type { Suite, Task, VitestRunner, VitestRunnerImportSource } from '@vitest/runner'
 import { updateTask as updateRunnerTask } from '@vitest/runner'
 import { createDefer, getSafeTimers } from '@vitest/utils'
diff --git a/packages/vitest/src/runtime/worker.ts b/packages/vitest/src/runtime/worker.ts
index 586d9390067c..105d470f08f3 100644
--- a/packages/vitest/src/runtime/worker.ts
+++ b/packages/vitest/src/runtime/worker.ts
@@ -1,3 +1,4 @@
+import { performance } from 'node:perf_hooks'
 import { createBirpc } from 'birpc'
 import { workerId as poolId } from 'tinypool'
 import type { RuntimeRPC, WorkerContext } from '../types'
diff --git a/packages/vitest/src/utils/base.ts b/packages/vitest/src/utils/base.ts
index 96155f4149ac..86e3713143f1 100644
--- a/packages/vitest/src/utils/base.ts
+++ b/packages/vitest/src/utils/base.ts
@@ -133,3 +133,13 @@ export function getEnvironmentTransformMode(config: ResolvedConfig, environment:
     return undefined
   return (environment === 'happy-dom' || environment === 'jsdom') ? 'web' : 'ssr'
 }
+
+// AggregateError is supported in Node.js 15.0.0+
+class AggregateErrorPonyfill extends Error {
+  errors: unknown[]
+  constructor(errors: Iterable<unknown>, message = '') {
+    super(message)
+    this.errors = [...errors]
+  }
+}
+export { AggregateErrorPonyfill as AggregateError }
diff --git a/packages/vitest/src/utils/index.ts b/packages/vitest/src/utils/index.ts
index 4d91d3f9f1d3..7cf3ea9540bf 100644
--- a/packages/vitest/src/utils/index.ts
+++ b/packages/vitest/src/utils/index.ts
@@ -52,16 +52,6 @@ export function removeUndefinedValues<T extends Record<string, any>>(obj: T): T
   return obj
 }
 
-// AggregateError is supported in Node.js 15.0.0+
-class AggregateErrorPonyfill extends Error {
-  errors: unknown[]
-  constructor(errors: Iterable<unknown>, message = '') {
-    super(message)
-    this.errors = [...errors]
-  }
-}
-export { AggregateErrorPonyfill as AggregateError }
-
 export function objectAttr(source: any, path: string, defaultValue = undefined) {
   // a[3].b -> a.3.b
   const paths = path.replace(/\[(\d+)\]/g, '.$1').split('.')