diff --git a/lib/bootstrap.js b/lib/bootstrap.js
index 15016d58b4d..b0aa0fb020b 100644
--- a/lib/bootstrap.js
+++ b/lib/bootstrap.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
 const WebpackCLI = require('./webpack-cli');
 const { core, commands } = require('./utils/cli-flags');
 const cmdArgs = require('command-line-args');
diff --git a/lib/commands/external.js b/lib/commands/external.js
index 48501eacd84..b7cceb36fa0 100644
--- a/lib/commands/external.js
+++ b/lib/commands/external.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
 const { prompt } = require('inquirer');
 const chalk = require('chalk');
 class ExternalCommand {
diff --git a/lib/groups/advanced.js b/lib/groups/advanced.js
index d8909277d69..a3dcc9faec3 100644
--- a/lib/groups/advanced.js
+++ b/lib/groups/advanced.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
 const GroupHelper = require('../utils/group-helper');
 
 class AdvancedGroup extends GroupHelper {
diff --git a/lib/groups/basic.js b/lib/groups/basic.js
index 44c9e0813d4..8f158db9155 100644
--- a/lib/groups/basic.js
+++ b/lib/groups/basic.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
 const GroupHelper = require('../utils/group-helper');
 
 class BasicGroup extends GroupHelper {
diff --git a/lib/groups/config.js b/lib/groups/config.js
index 9e9be9e516c..3b247671c35 100644
--- a/lib/groups/config.js
+++ b/lib/groups/config.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
 const { existsSync } = require('fs');
 const { resolve, sep, dirname, parse } = require('path');
 const { extensions } = require('interpret');
diff --git a/lib/groups/help.js b/lib/groups/help.js
index 9070442b6f0..b81121cf235 100644
--- a/lib/groups/help.js
+++ b/lib/groups/help.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
 const chalk = require('chalk');
 const commandLineUsage = require('command-line-usage');
 
diff --git a/lib/groups/output.js b/lib/groups/output.js
index c583ef62bf0..3ff3272fd41 100644
--- a/lib/groups/output.js
+++ b/lib/groups/output.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
 const path = require('path');
 const GroupHelper = require('../utils/group-helper');
 
diff --git a/lib/groups/stats.js b/lib/groups/stats.js
index 435d91f78f4..43f7772f5f4 100644
--- a/lib/groups/stats.js
+++ b/lib/groups/stats.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
 const GroupHelper = require('../utils/group-helper');
 
 class StatsGroup extends GroupHelper {
diff --git a/lib/utils/compiler.js b/lib/utils/compiler.js
index 4bfe77f6227..2213909f47d 100644
--- a/lib/utils/compiler.js
+++ b/lib/utils/compiler.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
 const webpack = require('webpack');
 const chalk = require('chalk');
 const Table = require('cli-table3');
diff --git a/lib/utils/development-config.js b/lib/utils/development-config.js
index 31302f95114..6a33d3def83 100644
--- a/lib/utils/development-config.js
+++ b/lib/utils/development-config.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
 const { join, resolve } = require('path');
 const TerserPlugin = require('terser-webpack-plugin');
 
diff --git a/lib/utils/group-helper.js b/lib/utils/group-helper.js
index d47a8faf140..d45d4848cf3 100644
--- a/lib/utils/group-helper.js
+++ b/lib/utils/group-helper.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
 const { resolve, join } = require('path');
 const { existsSync } = require('fs');
 
diff --git a/lib/utils/process-log.js b/lib/utils/process-log.js
index 35659c1a400..57f885d2d99 100644
--- a/lib/utils/process-log.js
+++ b/lib/utils/process-log.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
 function logErrorAndExit(error) {
     if (error && error.stack) process.cliLogger.error(error.stack);
     process.exit(1);
diff --git a/lib/utils/production-config.js b/lib/utils/production-config.js
index 544e55c18a7..b520d850ed0 100644
--- a/lib/utils/production-config.js
+++ b/lib/utils/production-config.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
 const { join, resolve } = require('path');
 const TerserPlugin = require('terser-webpack-plugin');
 
diff --git a/lib/utils/zero-config.js b/lib/utils/zero-config.js
index 59b9875f45e..4f9385a6148 100644
--- a/lib/utils/zero-config.js
+++ b/lib/utils/zero-config.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
 function getEnvFromOptionsAndMode(mode, optionsObject) {
     const { dev, prod } = optionsObject;
 
diff --git a/lib/webpack-cli.js b/lib/webpack-cli.js
index 38b795c4089..743e1f73e58 100644
--- a/lib/webpack-cli.js
+++ b/lib/webpack-cli.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
 const { resolve, parse, join } = require('path');
 const { existsSync } = require('fs');
 const GroupHelper = require('./utils/group-helper');
diff --git a/test/serve/serve-basic.test.js b/test/serve/serve-basic.test.js
index 76af78b9117..2f9c8aee7bb 100644
--- a/test/serve/serve-basic.test.js
+++ b/test/serve/serve-basic.test.js
@@ -1,4 +1,4 @@
-/* eslint-disable space-before-function-paren */
+/* eslint-disable space-before-function-paren, @typescript-eslint/explicit-function-return-type*/
 'use strict';
 
 const path = require('path');