diff --git a/test/unit/basic.dev.test.js b/test/unit/basic.dev.test.js
index 89f6640ea1..4faf2703f2 100644
--- a/test/unit/basic.dev.test.js
+++ b/test/unit/basic.dev.test.js
@@ -31,12 +31,9 @@ describe('basic dev', () => {
   // })
 
   test('/stateless', async () => {
-    // const spies = await intercept()
     const window = await nuxt.renderAndGetWindow(url('/stateless'))
     const html = window.document.body.innerHTML
     expect(html.includes('<h1>My component!</h1>')).toBe(true)
-    // expect(spies.info.calledWithMatch('You are running Vue in development mode.')).toBe(true)
-    // release()
   })
 
   // test('/_nuxt/test.hot-update.json should returns empty html', async t => {
@@ -73,7 +70,6 @@ describe('basic dev', () => {
     const sourceMaps = nuxt.renderer.resources.serverBundle.maps
     nuxt.renderer.resources.serverBundle.maps = {}
 
-    // const errorSpy = await interceptError()
     await expect(nuxt.renderAndGetWindow(url('/error'))).rejects.toMatchObject({
       statusCode: 500
     })
diff --git a/test/unit/error.test.js b/test/unit/error.test.js
index d3a3bade54..3a92a3057f 100644
--- a/test/unit/error.test.js
+++ b/test/unit/error.test.js
@@ -28,7 +28,6 @@ describe('error', () => {
   })
 
   test('/ with renderAndGetWindow()', async () => {
-    // const errorSpy = await interceptError()
     await expect(nuxt.renderAndGetWindow(url('/'))).rejects.toMatchObject({
       statusCode: 500
     })
diff --git a/test/unit/with-config.test.js b/test/unit/with-config.test.js
index db7068dc84..22bf6fe7db 100644
--- a/test/unit/with-config.test.js
+++ b/test/unit/with-config.test.js
@@ -14,12 +14,8 @@ describe('with-config', () => {
   })
 
   test('/', async () => {
-    // const logSpy = await interceptLog()
     const { html } = await nuxt.renderRoute('/')
     expect(html.includes('<h1>I have custom configurations</h1>')).toBe(true)
-    // release()
-    // expect(logSpy.calledOnce).toBe(true)
-    // expect(logSpy.args[0][0]).toBe('Test plugin!')
   })
 
   test.skip('/ (global styles inlined)', async () => {
@@ -61,12 +57,7 @@ describe('with-config', () => {
   })
 
   test('/test/about (custom layout)', async () => {
-    // const logSpy = await interceptLog()
     const window = await nuxt.renderAndGetWindow(url('/test/about'))
-    // expect(logSpy.calledOnce).toBe(true)
-    // expect(logSpy.args[0][0]).toBe('Test plugin!')
-    // release()
-
     const html = window.document.body.innerHTML
     expect(window.__NUXT__.layout).toBe('custom')
     expect(html.includes('<h1>Custom layout</h1>')).toBe(true)
@@ -74,12 +65,7 @@ describe('with-config', () => {
   })
 
   test('/test/desktop (custom layout in desktop folder)', async () => {
-    // const logSpy = await interceptLog()
     const window = await nuxt.renderAndGetWindow(url('/test/desktop'))
-    // expect(logSpy.calledOnce).toBe(true)
-    // expect(logSpy.args[0][0]).toBe('Test plugin!')
-    // release()
-
     const html = window.document.body.innerHTML
     expect(window.__NUXT__.layout).toBe('desktop/default')
     expect(html.includes('<h1>Default desktop layout</h1>')).toBe(true)
@@ -87,12 +73,7 @@ describe('with-config', () => {
   })
 
   test('/test/mobile (custom layout in mobile folder)', async () => {
-    // const logSpy = await interceptLog()
     const window = await nuxt.renderAndGetWindow(url('/test/mobile'))
-    // expect(logSpy.calledOnce).toBe(true)
-    // expect(logSpy.args[0][0]).toBe('Test plugin!')
-    // release()
-
     const html = window.document.body.innerHTML
     expect(window.__NUXT__.layout).toBe('mobile/default')
     expect(html.includes('<h1>Default mobile layout</h1>')).toBe(true)
@@ -100,12 +81,7 @@ describe('with-config', () => {
   })
 
   test('/test/env', async () => {
-    // const logSpy = await interceptLog()
     const window = await nuxt.renderAndGetWindow(url('/test/env'))
-    // expect(logSpy.calledOnce).toBe(true)
-    // expect(logSpy.args[0][0]).toBe('Test plugin!')
-    // release()
-
     const html = window.document.body.innerHTML
     expect(html.includes('<h1>Custom env layout</h1>')).toBe(true)
     expect(html.includes('"bool": true')).toBe(true)
@@ -118,46 +94,26 @@ describe('with-config', () => {
   })
 
   test('/test/error', async () => {
-    // const logSpy = await interceptLog()
     const window = await nuxt.renderAndGetWindow(url('/test/error'))
-    // expect(logSpy.calledOnce).toBe(true)
-    // expect(logSpy.args[0][0]).toBe('Test plugin!')
-    // release()
-
     const html = window.document.body.innerHTML
     expect(html.includes('Error page')).toBe(true)
   })
 
   test('/test/user-agent', async () => {
-    // const logSpy = await interceptLog()
     const window = await nuxt.renderAndGetWindow(url('/test/user-agent'))
-    // expect(logSpy.calledOnce).toBe(true)
-    // expect(logSpy.args[0][0]).toBe('Test plugin!')
-    // release()
-
     const html = window.document.body.innerHTML
     expect(html.includes('<pre>Mozilla')).toBe(true)
   })
 
   test('/test/about-bis (added with extendRoutes)', async () => {
-    // const logSpy = await interceptLog()
     const window = await nuxt.renderAndGetWindow(url('/test/about-bis'))
-    // expect(logSpy.calledOnce).toBe(true)
-    // expect(logSpy.args[0][0]).toBe('Test plugin!')
-    // release()
-
     const html = window.document.body.innerHTML
     expect(html.includes('<h1>Custom layout</h1>')).toBe(true)
     expect(html.includes('<h1>About page</h1>')).toBe(true)
   })
 
   test('/test/redirect/about-bis (redirect with extendRoutes)', async () => {
-    // const logSpy = await interceptLog()
     const window = await nuxt.renderAndGetWindow(url('/test/redirect/about-bis'))
-    // expect(logSpy.calledOnce).toBe(true)
-    // expect(logSpy.args[0][0]).toBe('Test plugin!')
-    // release()
-
     const windowHref = window.location.href
     expect(windowHref.includes('/test/about-bis')).toBe(true)