diff --git a/src/utils/cli/progressbar.ts b/src/utils/cli/progressbar.ts
index 273fc5c0cd..f9b690a904 100644
--- a/src/utils/cli/progressbar.ts
+++ b/src/utils/cli/progressbar.ts
@@ -5,7 +5,7 @@ import * as chalk from 'chalk';
 /**
  * Progress bar
  */
-export default class ProgressBar extends ev.EventEmitter {
+export default class extends ev.EventEmitter {
 	public max: number;
 	public value: number;
 	public text: string;
diff --git a/src/utils/dependencyInfo.ts b/src/utils/dependencyInfo.ts
index a184a849b7..a004cd42c2 100644
--- a/src/utils/dependencyInfo.ts
+++ b/src/utils/dependencyInfo.ts
@@ -1,7 +1,7 @@
 import Logger from './logger';
 import { exec } from 'shelljs';
 
-export default class DependencyInfo {
+export default class {
 	logger: Logger;
 
 	constructor() {
diff --git a/src/utils/environmentInfo.ts b/src/utils/environmentInfo.ts
index 435bc9f49a..f8508d1d8b 100644
--- a/src/utils/environmentInfo.ts
+++ b/src/utils/environmentInfo.ts
@@ -1,6 +1,6 @@
 import Logger from './logger';
 
-export default class EnvironmentInfo {
+export default class {
 	static show(): void {
 		const env = process.env.NODE_ENV;
 		let logger = new Logger('Env');
diff --git a/src/utils/lastCommitInfo.ts b/src/utils/lastCommitInfo.ts
index 0cdd177595..ac62f22be6 100644
--- a/src/utils/lastCommitInfo.ts
+++ b/src/utils/lastCommitInfo.ts
@@ -3,7 +3,7 @@ import * as chalk from 'chalk';
 const prominence = require('prominence');
 const git = require('git-last-commit');
 
-export default class LastCommitInfo {
+export default class {
 	static async show(): Promise<void> {
 		let logger = new Logger('LastCommit');
 		try {
diff --git a/src/utils/machineInfo.ts b/src/utils/machineInfo.ts
index 820f274ce3..acae773743 100644
--- a/src/utils/machineInfo.ts
+++ b/src/utils/machineInfo.ts
@@ -1,7 +1,7 @@
 import * as os from 'os';
 import Logger from './logger';
 
-export default class MachineInfo {
+export default class {
 	static show(): void {
 		const totalmem = (os.totalmem() / 1024 / 1024 / 1024).toFixed(1);
 		const freemem = (os.freemem() / 1024 / 1024 / 1024).toFixed(1);