diff --git a/tests/servers/basic-auth.js b/tests/servers/basic-auth.js
index b1277cf1..3c294a86 100644
--- a/tests/servers/basic-auth.js
+++ b/tests/servers/basic-auth.js
@@ -1,7 +1,7 @@
-var path = require("path");
-var auth = require("http-auth");
-var express = require("express");
-var app = express();
+const path = require("path");
+const auth = require("http-auth");
+const express = require("express");
+const app = express();
 
 var server;
 
diff --git a/tests/unit/classes/utils_spec.js b/tests/unit/classes/utils_spec.js
index 52988ed5..82c9a2ff 100644
--- a/tests/unit/classes/utils_spec.js
+++ b/tests/unit/classes/utils_spec.js
@@ -1,6 +1,6 @@
-var expect = require("chai").expect;
-var Utils = require("../../../js/utils.js");
-var colors = require("colors/safe");
+const expect = require("chai").expect;
+const Utils = require("../../../js/utils.js");
+const colors = require("colors/safe");
 
 describe("Utils", function () {
 	describe("colors", function () {
diff --git a/tests/unit/functions/currentweather_spec.js b/tests/unit/functions/currentweather_spec.js
index 985aa453..2a29002e 100644
--- a/tests/unit/functions/currentweather_spec.js
+++ b/tests/unit/functions/currentweather_spec.js
@@ -1,5 +1,5 @@
 /* eslint no-multi-spaces: 0 */
-var expect = require("chai").expect;
+const expect = require("chai").expect;
 
 describe("Functions module currentweather", function () {
 	// Fake for use by currentweather.js
diff --git a/tests/unit/functions/newsfeed_spec.js b/tests/unit/functions/newsfeed_spec.js
index 94c4c3b9..28c443a2 100644
--- a/tests/unit/functions/newsfeed_spec.js
+++ b/tests/unit/functions/newsfeed_spec.js
@@ -1,4 +1,4 @@
-var expect = require("chai").expect;
+const expect = require("chai").expect;
 
 describe("Functions into modules/default/newsfeed/newsfeed.js", function () {
 	Module = {};
diff --git a/tests/unit/functions/weatherforecast_spec.js b/tests/unit/functions/weatherforecast_spec.js
index 88a6a741..6c2132a2 100644
--- a/tests/unit/functions/weatherforecast_spec.js
+++ b/tests/unit/functions/weatherforecast_spec.js
@@ -1,5 +1,5 @@
 /* eslint no-multi-spaces: 0 */
-var expect = require("chai").expect;
+const expect = require("chai").expect;
 
 describe("Functions module weatherforecast", function () {
 	before(function () {
diff --git a/tests/unit/global_vars/defaults_modules_spec.js b/tests/unit/global_vars/defaults_modules_spec.js
index 49d13412..861de97a 100644
--- a/tests/unit/global_vars/defaults_modules_spec.js
+++ b/tests/unit/global_vars/defaults_modules_spec.js
@@ -1,7 +1,7 @@
-var fs = require("fs");
-var path = require("path");
-var expect = require("chai").expect;
-var vm = require("vm");
+const fs = require("fs");
+const path = require("path");
+const expect = require("chai").expect;
+const vm = require("vm");
 
 before(function () {
 	var basedir = path.join(__dirname, "../../..");
diff --git a/tests/unit/global_vars/root_path_spec.js b/tests/unit/global_vars/root_path_spec.js
index b909f0bc..c48bfc55 100644
--- a/tests/unit/global_vars/root_path_spec.js
+++ b/tests/unit/global_vars/root_path_spec.js
@@ -1,7 +1,7 @@
-var fs = require("fs");
-var path = require("path");
-var expect = require("chai").expect;
-var vm = require("vm");
+const fs = require("fs");
+const path = require("path");
+const expect = require("chai").expect;
+const vm = require("vm");
 
 before(function () {
 	var basedir = path.join(__dirname, "../../..");