diff --git a/test/integration/index.js b/test/integration/index.js
index 58e23fcd0..d1978d0c9 100644
--- a/test/integration/index.js
+++ b/test/integration/index.js
@@ -40,7 +40,6 @@ const yaml = require('js-yaml');
 const ms = require('ms');
 const { Client } = require('../../index');
 const build = require('./test-runner');
-const { sleep } = require('./helper');
 const createJunitReporter = require('./reporter');
 const downloadArtifacts = require('../../scripts/download-artifacts');
 
diff --git a/test/utils/index.js b/test/utils/index.js
index b7a8789f6..6d7098d11 100644
--- a/test/utils/index.js
+++ b/test/utils/index.js
@@ -29,8 +29,6 @@
 
 'use strict';
 
-const { promisify } = require('util');
-const sleep = promisify(setTimeout);
 const buildServer = require('./buildServer');
 const buildCluster = require('./buildCluster');
 const buildProxy = require('./buildProxy');