diff --git a/test/parallel/test-http-client-timeout-agent.js b/test/parallel/test-http-client-timeout-agent.js
index 998b69e240c4cd..c479f6ef1c718b 100644
--- a/test/parallel/test-http-client-timeout-agent.js
+++ b/test/parallel/test-http-client-timeout-agent.js
@@ -3,7 +3,6 @@ require('../common');
 var assert = require('assert');
 var http = require('http');
 
-var request_number = 0;
 var requests_sent = 0;
 var requests_done = 0;
 var options = {
@@ -24,7 +23,6 @@ var server = http.createServer(function(req, res) {
     res.write(reqid.toString());
     res.end();
   }
-  request_number += 1;
 });
 
 server.listen(0, options.host, function() {
diff --git a/test/parallel/test-http-pipeline-flood.js b/test/parallel/test-http-pipeline-flood.js
index c5c8af7a18097d..b42834d2b0e164 100644
--- a/test/parallel/test-http-pipeline-flood.js
+++ b/test/parallel/test-http-pipeline-flood.js
@@ -27,12 +27,10 @@ switch (process.argv[2]) {
 function parent() {
   const http = require('http');
   const bigResponse = Buffer.alloc(10240, 'x');
-  var requests = 0;
   var connections = 0;
   var backloggedReqs = 0;
 
   const server = http.createServer(function(req, res) {
-    requests++;
     res.setHeader('content-length', bigResponse.length);
     if (!res.write(bigResponse)) {
       if (backloggedReqs === 0) {
diff --git a/test/parallel/test-http-upgrade-agent.js b/test/parallel/test-http-upgrade-agent.js
index 01074d7e7bb7b0..4e88e525b74fb2 100644
--- a/test/parallel/test-http-upgrade-agent.js
+++ b/test/parallel/test-http-upgrade-agent.js
@@ -11,10 +11,7 @@ var net = require('net');
 
 // Create a TCP server
 var srv = net.createServer(function(c) {
-  var data = '';
   c.on('data', function(d) {
-    data += d.toString('utf8');
-
     c.write('HTTP/1.1 101\r\n');
     c.write('hello: world\r\n');
     c.write('connection: upgrade\r\n');
diff --git a/test/parallel/test-http-upgrade-client.js b/test/parallel/test-http-upgrade-client.js
index 4530819e35cb50..85e9f8f3c2e90c 100644
--- a/test/parallel/test-http-upgrade-client.js
+++ b/test/parallel/test-http-upgrade-client.js
@@ -11,10 +11,7 @@ var net = require('net');
 
 // Create a TCP server
 var srv = net.createServer(function(c) {
-  var data = '';
   c.on('data', function(d) {
-    data += d.toString('utf8');
-
     c.write('HTTP/1.1 101\r\n');
     c.write('hello: world\r\n');
     c.write('connection: upgrade\r\n');
diff --git a/test/parallel/test-https-foafssl.js b/test/parallel/test-https-foafssl.js
index c846c56cce1b28..f8370e73902242 100644
--- a/test/parallel/test-https-foafssl.js
+++ b/test/parallel/test-https-foafssl.js
@@ -24,7 +24,6 @@ var options = {
   requestCert: true
 };
 
-var reqCount = 0;
 var CRLF = '\r\n';
 var body = 'hello world\n';
 var cert;
@@ -33,7 +32,6 @@ var modulus;
 var exponent;
 
 var server = https.createServer(options, function(req, res) {
-  reqCount++;
   console.log('got request');
 
   cert = req.connection.getPeerCertificate();