diff --git a/.eslintrc.json b/.eslintrc.json
index 35a7bb1700..6f566f3beb 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -3,7 +3,8 @@
     "es6": true,
     "browser": true,
     "mocha": true,
-    "node": true
+    "node": true,
+    "jest": true
   },
   "parser": "babel-eslint",
   "root": true,
diff --git a/api-server/src/common/models/User-Identity.test.js b/api-server/src/common/models/User-Identity.test.js
index db798d8a6e..7c5b66a0c4 100644
--- a/api-server/src/common/models/User-Identity.test.js
+++ b/api-server/src/common/models/User-Identity.test.js
@@ -1,4 +1,3 @@
-/* global expect */
 import { ensureLowerCaseEmail } from './User-Identity';
 
 test('returns lowercase email when one exists', () => {
diff --git a/api-server/src/server/boot_tests/certificate.test.js b/api-server/src/server/boot_tests/certificate.test.js
index 9d909e821b..bd403f1958 100644
--- a/api-server/src/server/boot_tests/certificate.test.js
+++ b/api-server/src/server/boot_tests/certificate.test.js
@@ -1,5 +1,3 @@
-/* global it expect */
-
 import { getFallbackFrontEndDate } from '../boot/certificate';
 import { fullStackChallenges } from './fixtures';
 
diff --git a/api-server/src/server/boot_tests/challenge.test.js b/api-server/src/server/boot_tests/challenge.test.js
index 291bc93a7e..6431a31cf4 100644
--- a/api-server/src/server/boot_tests/challenge.test.js
+++ b/api-server/src/server/boot_tests/challenge.test.js
@@ -1,4 +1,3 @@
-/* global describe xdescribe it expect jest */
 import { first, find } from 'lodash';
 
 import {
diff --git a/api-server/src/server/boot_tests/fixtures.js b/api-server/src/server/boot_tests/fixtures.js
index 7e82c13c33..6ac9dcbeac 100644
--- a/api-server/src/server/boot_tests/fixtures.js
+++ b/api-server/src/server/boot_tests/fixtures.js
@@ -1,4 +1,3 @@
-/* global jest*/
 import { isEqual } from 'lodash';
 import { isEmail } from 'validator';
 
diff --git a/api-server/src/server/middlewares/request-authorization.test.js b/api-server/src/server/middlewares/request-authorization.test.js
index a4d56d2853..c83867dd3a 100644
--- a/api-server/src/server/middlewares/request-authorization.test.js
+++ b/api-server/src/server/middlewares/request-authorization.test.js
@@ -1,4 +1,3 @@
-/* global describe it expect jest */
 import { mockReq as mockRequest, mockRes } from '../boot_tests/challenge.test';
 import jwt from 'jsonwebtoken';
 
diff --git a/api-server/src/server/utils/date-utils.test.js b/api-server/src/server/utils/date-utils.test.js
index dc3c3f703f..62b83d00b1 100644
--- a/api-server/src/server/utils/date-utils.test.js
+++ b/api-server/src/server/utils/date-utils.test.js
@@ -1,4 +1,3 @@
-/* global describe expect it */
 import moment from 'moment-timezone';
 
 import { dayCount } from './date-utils';
diff --git a/api-server/src/server/utils/donation.test.js b/api-server/src/server/utils/donation.test.js
index 30538eac4c..8dc43098ee 100644
--- a/api-server/src/server/utils/donation.test.js
+++ b/api-server/src/server/utils/donation.test.js
@@ -1,7 +1,4 @@
 /* eslint-disable camelcase */
-/* global describe it expect */
-/* global jest*/
-
 import axios from 'axios';
 import keys from '../../../../config/secrets';
 import {
diff --git a/api-server/src/server/utils/getSetAccessToken.test.js b/api-server/src/server/utils/getSetAccessToken.test.js
index 25af949bd6..477948eb9a 100644
--- a/api-server/src/server/utils/getSetAccessToken.test.js
+++ b/api-server/src/server/utils/getSetAccessToken.test.js
@@ -1,4 +1,3 @@
-/* global describe it expect */
 import {
   getAccessTokenFromRequest,
   errorTypes,
diff --git a/api-server/src/server/utils/in-memory-cache.test.js b/api-server/src/server/utils/in-memory-cache.test.js
index 4798589fd4..eeb2544117 100644
--- a/api-server/src/server/utils/in-memory-cache.test.js
+++ b/api-server/src/server/utils/in-memory-cache.test.js
@@ -1,4 +1,3 @@
-/* global describe beforeEach expect it jest */
 import inMemoryCache from './in-memory-cache';
 
 describe('InMemoryCache', () => {
diff --git a/api-server/src/server/utils/redirection.test.js b/api-server/src/server/utils/redirection.test.js
index 83c111ed57..8f3cfe8984 100644
--- a/api-server/src/server/utils/redirection.test.js
+++ b/api-server/src/server/utils/redirection.test.js
@@ -1,5 +1,3 @@
-/* global describe expect it jest */
-
 const jwt = require('jsonwebtoken');
 
 const { getReturnTo, normalizeParams } = require('./redirection');
diff --git a/api-server/src/server/utils/user-stats.test.js b/api-server/src/server/utils/user-stats.test.js
index dfe8c59396..bc400b772d 100644
--- a/api-server/src/server/utils/user-stats.test.js
+++ b/api-server/src/server/utils/user-stats.test.js
@@ -1,4 +1,3 @@
-/* global describe it expect jest  */
 import moment from 'moment-timezone';
 
 import {
diff --git a/client/i18n/locales.test.js b/client/i18n/locales.test.js
index 18762d3de0..da36a0bfd0 100644
--- a/client/i18n/locales.test.js
+++ b/client/i18n/locales.test.js
@@ -1,4 +1,3 @@
-/* global expect */
 import {
   availableLangs,
   langDisplayNames,
diff --git a/client/src/__mocks__/react-i18nextMock.js b/client/src/__mocks__/react-i18nextMock.js
index a9e8b10438..05fd1ffe90 100644
--- a/client/src/__mocks__/react-i18nextMock.js
+++ b/client/src/__mocks__/react-i18nextMock.js
@@ -1,6 +1,5 @@
 /* eslint-disable react/prop-types */
 /* eslint-disable react/display-name */
-/* global jest */
 import React from 'react';
 
 const reactI18next = jest.genMockFromModule('react-i18next');
diff --git a/client/src/__tests__/integration/handled-error.test.js b/client/src/__tests__/integration/handled-error.test.js
index e8d633ef4d..80b0c5d6ee 100644
--- a/client/src/__tests__/integration/handled-error.test.js
+++ b/client/src/__tests__/integration/handled-error.test.js
@@ -1,4 +1,3 @@
-/* global describe it expect */
 import {
   wrapHandledError,
   unwrapHandledError
diff --git a/client/src/client-only-routes/ShowSettings.test.js b/client/src/client-only-routes/ShowSettings.test.js
index 81dde8395f..11c2fbaf17 100644
--- a/client/src/client-only-routes/ShowSettings.test.js
+++ b/client/src/client-only-routes/ShowSettings.test.js
@@ -1,4 +1,3 @@
-/* global jest, expect */
 import React from 'react';
 import ShallowRenderer from 'react-test-renderer/shallow';
 import envData from '../../../config/env.json';
diff --git a/client/src/components/Footer/Footer.test.js b/client/src/components/Footer/Footer.test.js
index 4efe0d74cf..1b9dc6d41c 100644
--- a/client/src/components/Footer/Footer.test.js
+++ b/client/src/components/Footer/Footer.test.js
@@ -1,4 +1,3 @@
-/* global expect */
 import React from 'react';
 import renderer from 'react-test-renderer';
 
diff --git a/client/src/components/Header/Header.test.js b/client/src/components/Header/Header.test.js
index 5ff50f0c2e..e93717a9f1 100644
--- a/client/src/components/Header/Header.test.js
+++ b/client/src/components/Header/Header.test.js
@@ -1,4 +1,3 @@
-/* global expect jest */
 import React from 'react';
 import ShallowRenderer from 'react-test-renderer/shallow';
 
diff --git a/client/src/components/Intro/Intro.test.js b/client/src/components/Intro/Intro.test.js
index 9886c1ad45..c4601007d0 100644
--- a/client/src/components/Intro/Intro.test.js
+++ b/client/src/components/Intro/Intro.test.js
@@ -1,4 +1,3 @@
-/* global expect jest */
 import React from 'react';
 import renderer from 'react-test-renderer';
 import { Provider } from 'react-redux';
diff --git a/client/src/components/Map/Map.test.js b/client/src/components/Map/Map.test.js
index 2170f3b927..37e5c5bc33 100644
--- a/client/src/components/Map/Map.test.js
+++ b/client/src/components/Map/Map.test.js
@@ -1,5 +1,3 @@
-/* global expect jest */
-
 import React from 'react';
 import { useStaticQuery } from 'gatsby';
 import { render } from '@testing-library/react';
diff --git a/client/src/components/createExternalRedirects.test.js b/client/src/components/createExternalRedirects.test.js
index e3a00abc1a..861edfbff3 100644
--- a/client/src/components/createExternalRedirects.test.js
+++ b/client/src/components/createExternalRedirects.test.js
@@ -1,5 +1,3 @@
-/* global expect */
-
 import createExternalRedirect from './createExternalRedirects';
 
 describe('createExternalRedirects', () => {
diff --git a/client/src/components/createLanguageRedirect.test.js b/client/src/components/createLanguageRedirect.test.js
index 6033615b96..70ad0c5d8c 100644
--- a/client/src/components/createLanguageRedirect.test.js
+++ b/client/src/components/createLanguageRedirect.test.js
@@ -1,5 +1,3 @@
-/* global expect */
-
 import createLanguageRedirect from './createLanguageRedirect';
 
 describe('createLanguageRedirect for clientLocale === english', () => {
diff --git a/client/src/components/formHelpers/BlockSaveButton.test.js b/client/src/components/formHelpers/BlockSaveButton.test.js
index 0dc63d57b3..8e17095cb7 100644
--- a/client/src/components/formHelpers/BlockSaveButton.test.js
+++ b/client/src/components/formHelpers/BlockSaveButton.test.js
@@ -1,5 +1,3 @@
-/* global expect */
-
 import React from 'react';
 import { render } from '@testing-library/react';
 
diff --git a/client/src/components/formHelpers/BlockSaveWrapper.test.js b/client/src/components/formHelpers/BlockSaveWrapper.test.js
index 0c8020797c..5091ac325a 100644
--- a/client/src/components/formHelpers/BlockSaveWrapper.test.js
+++ b/client/src/components/formHelpers/BlockSaveWrapper.test.js
@@ -1,5 +1,3 @@
-/* global expect */
-
 import React from 'react';
 import { render } from '@testing-library/react';
 
diff --git a/client/src/components/formHelpers/Form.test.js b/client/src/components/formHelpers/Form.test.js
index daf30c19f3..1dbb3a57f0 100644
--- a/client/src/components/formHelpers/Form.test.js
+++ b/client/src/components/formHelpers/Form.test.js
@@ -1,5 +1,3 @@
-/* global jest, expect */
-
 import React from 'react';
 import { render, fireEvent } from '@testing-library/react';
 
diff --git a/client/src/components/helpers/Link.test.js b/client/src/components/helpers/Link.test.js
index d1e051653a..13a2f2cc44 100644
--- a/client/src/components/helpers/Link.test.js
+++ b/client/src/components/helpers/Link.test.js
@@ -1,4 +1,3 @@
-/* global expect */
 import React from 'react';
 import renderer from 'react-test-renderer';
 
diff --git a/client/src/components/helpers/Loader.test.js b/client/src/components/helpers/Loader.test.js
index 614f19d375..21bf667513 100644
--- a/client/src/components/helpers/Loader.test.js
+++ b/client/src/components/helpers/Loader.test.js
@@ -1,4 +1,3 @@
-/* global expect */
 import React from 'react';
 import { render, cleanup } from '@testing-library/react';
 
diff --git a/client/src/components/landing/Landing.test.js b/client/src/components/landing/Landing.test.js
index dc1b0e8891..b4fe430a57 100644
--- a/client/src/components/landing/Landing.test.js
+++ b/client/src/components/landing/Landing.test.js
@@ -1,4 +1,3 @@
-/* global expect jest */
 import React from 'react';
 import ShallowRenderer from 'react-test-renderer/shallow';
 
diff --git a/client/src/components/profile/Profile.test.js b/client/src/components/profile/Profile.test.js
index f4eec42c1e..feeed78bc5 100644
--- a/client/src/components/profile/Profile.test.js
+++ b/client/src/components/profile/Profile.test.js
@@ -1,5 +1,3 @@
-/* global expect jest */
-
 import React from 'react';
 import { render } from '@testing-library/react';
 
diff --git a/client/src/components/profile/components/HeatMap.test.js b/client/src/components/profile/components/HeatMap.test.js
index bd31f55a25..61fb0c4a84 100644
--- a/client/src/components/profile/components/HeatMap.test.js
+++ b/client/src/components/profile/components/HeatMap.test.js
@@ -1,5 +1,3 @@
-/* global expect jest */
-
 import React from 'react';
 import { render } from '@testing-library/react';
 
diff --git a/client/src/components/profile/components/TimeLine.test.js b/client/src/components/profile/components/TimeLine.test.js
index 14d585439a..55af94c564 100644
--- a/client/src/components/profile/components/TimeLine.test.js
+++ b/client/src/components/profile/components/TimeLine.test.js
@@ -1,5 +1,3 @@
-/* global expect */
-
 import React from 'react';
 import { render } from '@testing-library/react';
 import TimeLine from './TimeLine';
diff --git a/client/src/components/search/searchBar/SearchBar.test.js b/client/src/components/search/searchBar/SearchBar.test.js
index 3752a78cfb..6db135acd1 100644
--- a/client/src/components/search/searchBar/SearchBar.test.js
+++ b/client/src/components/search/searchBar/SearchBar.test.js
@@ -1,4 +1,3 @@
-/* global jest, expect */
 import React from 'react';
 import ShallowRenderer from 'react-test-renderer/shallow';
 
diff --git a/client/src/components/settings/Certification.test.js b/client/src/components/settings/Certification.test.js
index d14620d7e9..cdf10fd4e9 100644
--- a/client/src/components/settings/Certification.test.js
+++ b/client/src/components/settings/Certification.test.js
@@ -1,5 +1,3 @@
-/* global expect jest */
-
 import React from 'react';
 import { render } from '@testing-library/react';
 import { Provider } from 'react-redux';
diff --git a/client/src/components/settings/Honesty.test.js b/client/src/components/settings/Honesty.test.js
index 173a582082..a7093c6acd 100644
--- a/client/src/components/settings/Honesty.test.js
+++ b/client/src/components/settings/Honesty.test.js
@@ -1,4 +1,3 @@
-/* global expect jest */
 import React from 'react';
 import ShallowRenderer from 'react-test-renderer/shallow';
 import TestRenderer from 'react-test-renderer';
diff --git a/client/src/pages/challenges.test.js b/client/src/pages/challenges.test.js
index 25d2f79171..0d86029ab0 100644
--- a/client/src/pages/challenges.test.js
+++ b/client/src/pages/challenges.test.js
@@ -1,4 +1,3 @@
-/* global expect */
 import toLearnPath from '../utils/to-learn-path';
 import { withPrefix } from 'gatsby';
 
diff --git a/client/src/redux/failed-updates-epic.test.js b/client/src/redux/failed-updates-epic.test.js
index 6d5642b78d..7f3e66eb0e 100644
--- a/client/src/redux/failed-updates-epic.test.js
+++ b/client/src/redux/failed-updates-epic.test.js
@@ -1,5 +1,3 @@
-/* global expect jest */
-
 import { Subject } from 'rxjs';
 import { ActionsObservable, StateObservable } from 'redux-observable';
 import failedUpdatesEpic from './failed-updates-epic';
diff --git a/client/src/redux/ga-saga.test.js b/client/src/redux/ga-saga.test.js
index 727f92aee5..bb6a8bf06f 100644
--- a/client/src/redux/ga-saga.test.js
+++ b/client/src/redux/ga-saga.test.js
@@ -1,5 +1,3 @@
-/* global jest */
-
 import { types } from '.';
 import { createGaSaga } from './ga-saga';
 import ga from '../analytics';
diff --git a/client/src/templates/Challenges/components/ChallengeTitle.test.js b/client/src/templates/Challenges/components/ChallengeTitle.test.js
index acc47c48ad..6a63f09a8a 100644
--- a/client/src/templates/Challenges/components/ChallengeTitle.test.js
+++ b/client/src/templates/Challenges/components/ChallengeTitle.test.js
@@ -1,5 +1,3 @@
-/* global expect */
-
 import React from 'react';
 import renderer from 'react-test-renderer';
 
diff --git a/client/src/templates/Challenges/components/CompletionModal.test.js b/client/src/templates/Challenges/components/CompletionModal.test.js
index 370b51232c..fd78bc09f6 100644
--- a/client/src/templates/Challenges/components/CompletionModal.test.js
+++ b/client/src/templates/Challenges/components/CompletionModal.test.js
@@ -1,5 +1,3 @@
-/* global expect jest */
-
 import { getCompletedPercent } from './CompletionModal';
 
 jest.mock('../../../analytics');
diff --git a/client/src/templates/Challenges/components/CompletionModalBody.test.js b/client/src/templates/Challenges/components/CompletionModalBody.test.js
index 4aca48f988..92827be419 100644
--- a/client/src/templates/Challenges/components/CompletionModalBody.test.js
+++ b/client/src/templates/Challenges/components/CompletionModalBody.test.js
@@ -1,5 +1,3 @@
-/* global jest, expect */
-
 import React from 'react';
 import { render, fireEvent } from '@testing-library/react';
 
diff --git a/client/src/templates/Challenges/rechallenge/builders.test.js b/client/src/templates/Challenges/rechallenge/builders.test.js
index a62db2e29f..2dd9e3a947 100644
--- a/client/src/templates/Challenges/rechallenge/builders.test.js
+++ b/client/src/templates/Challenges/rechallenge/builders.test.js
@@ -1,4 +1,3 @@
-/* global expect */
 import { findIndexHtml } from './builders.js';
 
 const withHTML = [
diff --git a/client/src/templates/Challenges/redux/create-question-epic.test.js b/client/src/templates/Challenges/redux/create-question-epic.test.js
index c613c5e4a4..3e211b0fce 100644
--- a/client/src/templates/Challenges/redux/create-question-epic.test.js
+++ b/client/src/templates/Challenges/redux/create-question-epic.test.js
@@ -1,5 +1,3 @@
-/* global expect */
-
 import { transformEditorLink } from '../utils';
 
 describe('create-question-epic', () => {
diff --git a/client/src/templates/Challenges/utils/index.test.js b/client/src/templates/Challenges/utils/index.test.js
index d86623f5f4..69e459583f 100644
--- a/client/src/templates/Challenges/utils/index.test.js
+++ b/client/src/templates/Challenges/utils/index.test.js
@@ -1,5 +1,3 @@
-/* global expect */
-
 import envData from '../../../../../config/env.json';
 
 const { forumLocation } = envData;
diff --git a/client/src/templates/Challenges/utils/worker-executor.test.js b/client/src/templates/Challenges/utils/worker-executor.test.js
index 0c49360d99..bfecd1ee42 100644
--- a/client/src/templates/Challenges/utils/worker-executor.test.js
+++ b/client/src/templates/Challenges/utils/worker-executor.test.js
@@ -1,5 +1,3 @@
-/* global expect, jest */
-
 import createWorker from './worker-executor';
 
 function mockWorker({ init, postMessage, terminate } = {}) {
diff --git a/client/src/utils/css-help.test.ts b/client/src/utils/css-help.test.ts
index 30f36ff91d..e59836b34a 100644
--- a/client/src/utils/css-help.test.ts
+++ b/client/src/utils/css-help.test.ts
@@ -1,4 +1,3 @@
-/* global describe it expect */
 import { cssString } from './__fixtures/curriculum-helpers-css';
 import CSSHelp from './css-help';
 
diff --git a/client/src/utils/curriculum-helpers.test.js b/client/src/utils/curriculum-helpers.test.js
index 337c67cb68..3c8d012151 100644
--- a/client/src/utils/curriculum-helpers.test.js
+++ b/client/src/utils/curriculum-helpers.test.js
@@ -1,5 +1,3 @@
-/* global describe it expect */
-
 import __testHelpers, { removeJSComments } from './curriculum-helpers';
 import jsTestValues from './__fixtures/curriculum-helpers-javascript';
 import cssTestValues from './__fixtures/curriculum-helpers-css';
diff --git a/client/src/utils/format.test.js b/client/src/utils/format.test.js
index 05d3817257..66488790a6 100644
--- a/client/src/utils/format.test.js
+++ b/client/src/utils/format.test.js
@@ -1,4 +1,4 @@
-/* global expect BigInt */
+/* global BigInt */
 
 const { format } = require('./format');
 
diff --git a/client/src/utils/handled-error.test.js b/client/src/utils/handled-error.test.js
index f92fb06608..726b431a52 100644
--- a/client/src/utils/handled-error.test.js
+++ b/client/src/utils/handled-error.test.js
@@ -1,4 +1,3 @@
-/* global expect jest */
 import { isObject } from 'lodash-es';
 import {
   isHandledError,
diff --git a/client/utils/gatsby/layoutSelector.test.js b/client/utils/gatsby/layoutSelector.test.js
index a0c60bf6e5..f2aa336571 100644
--- a/client/utils/gatsby/layoutSelector.test.js
+++ b/client/utils/gatsby/layoutSelector.test.js
@@ -1,4 +1,3 @@
-/* global expect jest */
 import React from 'react';
 import { Provider } from 'react-redux';
 import ShallowRenderer from 'react-test-renderer/shallow';
diff --git a/client/utils/tags.test.js b/client/utils/tags.test.js
index c0afa042a8..81015051b7 100644
--- a/client/utils/tags.test.js
+++ b/client/utils/tags.test.js
@@ -1,5 +1,3 @@
-/* global expect */
-
 import { injectConditionalTags } from './tags';
 
 describe('Tags', () => {
diff --git a/curriculum/getChallenges.acceptance.test.js b/curriculum/getChallenges.acceptance.test.js
index ba9dca7339..5eb378a54c 100644
--- a/curriculum/getChallenges.acceptance.test.js
+++ b/curriculum/getChallenges.acceptance.test.js
@@ -1,4 +1,3 @@
-/* global expect */
 // TODO: reinstate these tests
 
 // // TODO: update these to use the new parser
diff --git a/curriculum/getChallenges.test.js b/curriculum/getChallenges.test.js
index a42302d1ab..b982d1aeb3 100644
--- a/curriculum/getChallenges.test.js
+++ b/curriculum/getChallenges.test.js
@@ -1,4 +1,3 @@
-/* global expect */
 const path = require('path');
 
 const {
diff --git a/curriculum/test/utils/extract-css-comments.test.js b/curriculum/test/utils/extract-css-comments.test.js
index 52088f2137..fa449fb06c 100644
--- a/curriculum/test/utils/extract-css-comments.test.js
+++ b/curriculum/test/utils/extract-css-comments.test.js
@@ -1,4 +1,3 @@
-/* global expect */
 const extractCSSComments = require('./extract-css-comments');
 
 const someHTMLWithCSS = `<body>
diff --git a/curriculum/test/utils/extract-html-comments.test.js b/curriculum/test/utils/extract-html-comments.test.js
index c1df6fc015..06c0b7e1dc 100644
--- a/curriculum/test/utils/extract-html-comments.test.js
+++ b/curriculum/test/utils/extract-html-comments.test.js
@@ -1,4 +1,3 @@
-/* global expect */
 const extractHTMLComments = require('./extract-html-comments');
 
 const someHTML = `<body>
diff --git a/curriculum/test/utils/extract-js-comments.test.js b/curriculum/test/utils/extract-js-comments.test.js
index 910883488d..ead1f5da5a 100644
--- a/curriculum/test/utils/extract-js-comments.test.js
+++ b/curriculum/test/utils/extract-js-comments.test.js
@@ -1,4 +1,3 @@
-/* global expect */
 const extractJSComments = require('./extract-js-comments');
 
 const someJS = `
diff --git a/curriculum/test/utils/extract-jsx-comments.test.js b/curriculum/test/utils/extract-jsx-comments.test.js
index 3a6fa7f585..51f3f1d359 100644
--- a/curriculum/test/utils/extract-jsx-comments.test.js
+++ b/curriculum/test/utils/extract-jsx-comments.test.js
@@ -1,4 +1,3 @@
-/* global expect */
 const extractJSXComments = require('./extract-jsx-comments');
 
 const someJSX = `<Link
diff --git a/curriculum/test/utils/extract-script-js-comments.test.js b/curriculum/test/utils/extract-script-js-comments.test.js
index f6a759b037..2fb042f792 100644
--- a/curriculum/test/utils/extract-script-js-comments.test.js
+++ b/curriculum/test/utils/extract-script-js-comments.test.js
@@ -1,4 +1,3 @@
-/* global expect */
 const extractScriptJSComments = require('./extract-script-js-comments');
 
 const inlineComments = `<body>
diff --git a/curriculum/test/utils/sort-challenges.test.js b/curriculum/test/utils/sort-challenges.test.js
index 43afcbaf2c..0ad94607c6 100644
--- a/curriculum/test/utils/sort-challenges.test.js
+++ b/curriculum/test/utils/sort-challenges.test.js
@@ -1,4 +1,3 @@
-/* global expect */
 const { sortChallenges } = require('./sort-challenges');
 
 const challenges = [
diff --git a/cypress/integration/learn/index.js b/cypress/integration/learn/index.js
index 4f6e08eb58..ea52bc3dfe 100644
--- a/cypress/integration/learn/index.js
+++ b/cypress/integration/learn/index.js
@@ -1,4 +1,4 @@
-/* global cy expect */
+/* global cy */
 
 const selectors = {
   challengeMap: "[data-test-label='learn-curriculum-map']"
diff --git a/cypress/integration/learn/redirects/challenges.js b/cypress/integration/learn/redirects/challenges.js
index b7634e14a3..4a5142732c 100644
--- a/cypress/integration/learn/redirects/challenges.js
+++ b/cypress/integration/learn/redirects/challenges.js
@@ -1,4 +1,4 @@
-/* global cy expect */
+/* global cy */
 
 const locations = {
   chalSuper: '/challenges/responsive-web-design/',
diff --git a/cypress/integration/settings/certifications.js b/cypress/integration/settings/certifications.js
index 88edaebe4b..c64e160e7e 100644
--- a/cypress/integration/settings/certifications.js
+++ b/cypress/integration/settings/certifications.js
@@ -1,4 +1,4 @@
-/* global cy expect */
+/* global cy */
 
 import '@testing-library/cypress/add-commands';
 
diff --git a/cypress/integration/settings/settings.js b/cypress/integration/settings/settings.js
index 7a057ac5ad..443a128db9 100644
--- a/cypress/integration/settings/settings.js
+++ b/cypress/integration/settings/settings.js
@@ -1,4 +1,4 @@
-/* global cy expect */
+/* global cy */
 
 describe('Settings', () => {
   it('should be possible to reset your progress', () => {
diff --git a/cypress/integration/user/report-user.js b/cypress/integration/user/report-user.js
index 0b0469b1d0..ca5b87c32d 100644
--- a/cypress/integration/user/report-user.js
+++ b/cypress/integration/user/report-user.js
@@ -1,4 +1,4 @@
-/* global cy expect */
+/* global cy */
 
 describe('Report User', () => {
   beforeEach(() => {
diff --git a/tools/challenge-parser/parser/index.acceptance.test.js b/tools/challenge-parser/parser/index.acceptance.test.js
index a323dade33..e92d71af0e 100644
--- a/tools/challenge-parser/parser/index.acceptance.test.js
+++ b/tools/challenge-parser/parser/index.acceptance.test.js
@@ -1,5 +1,3 @@
-/* global expect */
-
 const path = require('path');
 
 const { parseMD } = require('.');
diff --git a/tools/challenge-parser/parser/plugins/add-frontmatter.test.js b/tools/challenge-parser/parser/plugins/add-frontmatter.test.js
index 209c750bdc..af78cd392f 100644
--- a/tools/challenge-parser/parser/plugins/add-frontmatter.test.js
+++ b/tools/challenge-parser/parser/plugins/add-frontmatter.test.js
@@ -1,5 +1,3 @@
-/* global describe it expect beforeEach */
-
 const { isObject } = require('lodash');
 
 const mockAST = require('../__fixtures__/ast-yaml-challenge.json');
diff --git a/tools/challenge-parser/parser/plugins/add-seed.test.js b/tools/challenge-parser/parser/plugins/add-seed.test.js
index 034725c661..6489856729 100644
--- a/tools/challenge-parser/parser/plugins/add-seed.test.js
+++ b/tools/challenge-parser/parser/plugins/add-seed.test.js
@@ -1,4 +1,3 @@
-/* global describe it expect beforeEach */
 const isArray = require('lodash/isArray');
 
 const simpleAST = require('../__fixtures__/ast-simple.json');
diff --git a/tools/challenge-parser/parser/plugins/add-solution.test.js b/tools/challenge-parser/parser/plugins/add-solution.test.js
index add1a875c8..4618798024 100644
--- a/tools/challenge-parser/parser/plugins/add-solution.test.js
+++ b/tools/challenge-parser/parser/plugins/add-solution.test.js
@@ -1,4 +1,3 @@
-/* global describe it expect beforeEach */
 const mockAST = require('../__fixtures__/ast-simple.json');
 const editableSolutionAST = require('../__fixtures__/ast-erm-in-solution.json');
 const multiSolnsAST = require('../__fixtures__/ast-multiple-solutions.json');
diff --git a/tools/challenge-parser/parser/plugins/add-tests.test.js b/tools/challenge-parser/parser/plugins/add-tests.test.js
index cafb02ed7f..cdb7d1cc6a 100644
--- a/tools/challenge-parser/parser/plugins/add-tests.test.js
+++ b/tools/challenge-parser/parser/plugins/add-tests.test.js
@@ -1,4 +1,3 @@
-/* global describe it expect beforeEach */
 const simpleAST = require('../__fixtures__/ast-simple.json');
 const brokenHintsAST = require('../__fixtures__/ast-broken-hints.json');
 const addTests = require('./add-tests');
diff --git a/tools/challenge-parser/parser/plugins/add-text.test.js b/tools/challenge-parser/parser/plugins/add-text.test.js
index c46d8d07b3..d020a954d2 100644
--- a/tools/challenge-parser/parser/plugins/add-text.test.js
+++ b/tools/challenge-parser/parser/plugins/add-text.test.js
@@ -1,4 +1,3 @@
-/* global describe it expect */
 const mockAST = require('../__fixtures__/ast-simple.json');
 // eslint-disable-next-line max-len
 const incorrectMarkersAST = require('../__fixtures__/ast-incorrect-markers.json');
diff --git a/tools/challenge-parser/parser/plugins/add-video-question.test.js b/tools/challenge-parser/parser/plugins/add-video-question.test.js
index 2da46a9368..2c2f427e09 100644
--- a/tools/challenge-parser/parser/plugins/add-video-question.test.js
+++ b/tools/challenge-parser/parser/plugins/add-video-question.test.js
@@ -1,4 +1,3 @@
-/* global describe it expect beforeEach */
 const simpleAST = require('../__fixtures__/ast-simple.json');
 const mockVideoAST = require('../__fixtures__/ast-video-challenge.json');
 // eslint-disable-next-line max-len
diff --git a/tools/challenge-parser/parser/plugins/replace-imports.test.js b/tools/challenge-parser/parser/plugins/replace-imports.test.js
index 24232dbb64..6d638e577b 100644
--- a/tools/challenge-parser/parser/plugins/replace-imports.test.js
+++ b/tools/challenge-parser/parser/plugins/replace-imports.test.js
@@ -1,4 +1,3 @@
-/* global describe it expect jest */
 const path = require('path');
 const cloneDeep = require('lodash/cloneDeep');
 const toVfile = require('to-vfile');
diff --git a/tools/challenge-parser/parser/plugins/restore-directives.test.js b/tools/challenge-parser/parser/plugins/restore-directives.test.js
index dc597317d3..f65dbed02f 100644
--- a/tools/challenge-parser/parser/plugins/restore-directives.test.js
+++ b/tools/challenge-parser/parser/plugins/restore-directives.test.js
@@ -1,4 +1,3 @@
-/* global describe it expect */
 const cloneDeep = require('lodash/cloneDeep');
 const { selectAll } = require('unist-util-select');
 const find = require('unist-util-find');
diff --git a/tools/challenge-parser/parser/plugins/utils/between-headings.test.js b/tools/challenge-parser/parser/plugins/utils/between-headings.test.js
index c68de36a89..164c401e61 100644
--- a/tools/challenge-parser/parser/plugins/utils/between-headings.test.js
+++ b/tools/challenge-parser/parser/plugins/utils/between-headings.test.js
@@ -1,4 +1,3 @@
-/* global expect*/
 const isArray = require('lodash/isArray');
 const find = require('unist-util-find');
 const { root } = require('mdast-builder');
diff --git a/tools/challenge-parser/parser/plugins/utils/get-id.test.js b/tools/challenge-parser/parser/plugins/utils/get-id.test.js
index e67a314df2..affbbc8f8c 100644
--- a/tools/challenge-parser/parser/plugins/utils/get-id.test.js
+++ b/tools/challenge-parser/parser/plugins/utils/get-id.test.js
@@ -1,4 +1,3 @@
-/* global expect*/
 const getId = require('./get-id');
 const idNode = require('./__fixtures__/id-node.json');
 const imageNode = require('./__fixtures__/image-node.json');
diff --git a/tools/challenge-parser/parser/plugins/utils/mdast-to-html.test.js b/tools/challenge-parser/parser/plugins/utils/mdast-to-html.test.js
index eb0b72af63..3177adea29 100644
--- a/tools/challenge-parser/parser/plugins/utils/mdast-to-html.test.js
+++ b/tools/challenge-parser/parser/plugins/utils/mdast-to-html.test.js
@@ -1,4 +1,3 @@
-/* global expect*/
 const mdastToHTML = require('./mdast-to-html');
 const mdastMixedNodes = require('./__fixtures__/mdast-mixed-nodes.json');
 const mdastWithEmNode = require('./__fixtures__/mdast-with-em.json');
diff --git a/tools/challenge-parser/translation-parser/index.test.js b/tools/challenge-parser/translation-parser/index.test.js
index 8e38194909..98f097fbc8 100644
--- a/tools/challenge-parser/translation-parser/index.test.js
+++ b/tools/challenge-parser/translation-parser/index.test.js
@@ -1,4 +1,3 @@
-/* global expect jest */
 const {
   translateComments,
   translateCommentsInChallenge,
diff --git a/tools/scripts/lint/index.test.js b/tools/scripts/lint/index.test.js
index fa06f3fbd9..02e924b5a9 100644
--- a/tools/scripts/lint/index.test.js
+++ b/tools/scripts/lint/index.test.js
@@ -1,4 +1,3 @@
-/* global describe it expect jest beforeEach */
 const path = require('path');
 
 const lint = require('.');
diff --git a/tools/ui-components/src/button.test.js b/tools/ui-components/src/button.test.js
index b9dd3a9429..31f57bb2a0 100644
--- a/tools/ui-components/src/button.test.js
+++ b/tools/ui-components/src/button.test.js
@@ -1,6 +1,3 @@
-/* global expect */
-/* global jest */
-
 import React from 'react';
 import { render, screen } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
diff --git a/utils/get-lines.test.js b/utils/get-lines.test.js
index c9a46bf7c5..2de1f1c057 100644
--- a/utils/get-lines.test.js
+++ b/utils/get-lines.test.js
@@ -1,5 +1,3 @@
-/* global describe expect it */
-
 const { getLines } = require('./get-lines');
 
 const content = 'one\ntwo\nthree';
diff --git a/utils/slugs.test.js b/utils/slugs.test.js
index bf5ab6d160..8e37e601f3 100644
--- a/utils/slugs.test.js
+++ b/utils/slugs.test.js
@@ -1,5 +1,3 @@
-/* global describe expect it */
-
 const slugs = require('./slugs');
 
 describe('dasherize', () => {
diff --git a/utils/sort-files.test.js b/utils/sort-files.test.js
index 244caf6397..19955ab04d 100644
--- a/utils/sort-files.test.js
+++ b/utils/sort-files.test.js
@@ -1,5 +1,3 @@
-/* global expect */
-
 const { toSortedArray } = require('./sort-files');
 const { challengeFiles } = require('./__fixtures__/challenges');
 
diff --git a/utils/validate.test.js b/utils/validate.test.js
index f5c84f20e8..ab40a57f9c 100644
--- a/utils/validate.test.js
+++ b/utils/validate.test.js
@@ -1,5 +1,3 @@
-/* global describe expect it */
-
 const {
   isValidUsername,
   usernameTooShort,