diff --git a/packages/vitest/src/node/plugins/publicConfig.ts b/packages/vitest/src/node/plugins/publicConfig.ts
index fc34b7acc..f58038b69 100644
--- a/packages/vitest/src/node/plugins/publicConfig.ts
+++ b/packages/vitest/src/node/plugins/publicConfig.ts
@@ -49,6 +49,7 @@ export async function resolveConfig(
     updatedOptions,
     config,
   )
+  await vitest.close()
   return {
     viteConfig: config,
     vitestConfig,
diff --git a/test/config/test/browser-configs.test.ts b/test/config/test/browser-configs.test.ts
index 827594c03..cb5062dd8 100644
--- a/test/config/test/browser-configs.test.ts
+++ b/test/config/test/browser-configs.test.ts
@@ -1,10 +1,12 @@
 import type { ViteUserConfig } from 'vitest/config'
 import type { UserConfig, VitestOptions } from 'vitest/node'
-import { expect, test } from 'vitest'
+import { expect, onTestFinished, test } from 'vitest'
 import { createVitest } from 'vitest/node'
 
 async function vitest(cliOptions: UserConfig, configValue: UserConfig = {}, viteConfig: ViteUserConfig = {}, vitestOptions: VitestOptions = {}) {
-  return await createVitest('test', { ...cliOptions, watch: false }, { ...viteConfig, test: configValue as any }, vitestOptions)
+  const vitest = await createVitest('test', { ...cliOptions, watch: false }, { ...viteConfig, test: configValue as any }, vitestOptions)
+  onTestFinished(() => vitest.close())
+  return vitest
 }
 
 test('assignes names as browsers', async () => {
diff --git a/test/config/test/override.test.ts b/test/config/test/override.test.ts
index ceb4158aa..19691dc00 100644
--- a/test/config/test/override.test.ts
+++ b/test/config/test/override.test.ts
@@ -1,6 +1,6 @@
 import type { UserConfig as ViteUserConfig } from 'vite'
 import type { UserConfig } from 'vitest/node'
-import { describe, expect, it } from 'vitest'
+import { describe, expect, it, onTestFinished } from 'vitest'
 import { extraInlineDeps } from 'vitest/config'
 import { createVitest, parseCLI } from 'vitest/node'
 
@@ -8,6 +8,7 @@ type VitestOptions = Parameters<typeof createVitest>[3]
 
 async function vitest(cliOptions: UserConfig, configValue: UserConfig = {}, viteConfig: ViteUserConfig = {}, vitestOptions: VitestOptions = {}) {
   const vitest = await createVitest('test', { ...cliOptions, watch: false }, { ...viteConfig, test: configValue as any }, vitestOptions)
+  onTestFinished(() => vitest.close())
   return vitest
 }