diff --git a/lib/_http_common.js b/lib/_http_common.js
index 732f4f29c42758..8c88a90568be4c 100644
--- a/lib/_http_common.js
+++ b/lib/_http_common.js
@@ -91,7 +91,7 @@ function parserOnHeadersComplete(versionMajor, versionMinor, headers, method,
   incoming.url = url;
   incoming.upgrade = upgrade;
 
-  var n = headers.length;
+  let n = headers.length;
 
   // If parser.maxHeaderPairs <= 0 assume that there's no limit.
   if (parser.maxHeaderPairs > 0)
@@ -120,8 +120,8 @@ function parserOnBody(b, start, len) {
 
   // Pretend this was the result of a stream._read call.
   if (len > 0 && !stream._dumped) {
-    var slice = b.slice(start, start + len);
-    var ret = stream.push(slice);
+    const slice = b.slice(start, start + len);
+    const ret = stream.push(slice);
     if (!ret)
       readStop(this.socket);
   }