diff --git a/lib/_http_server.js b/lib/_http_server.js
index 7315a266b89..a1cbb63c1d3 100644
--- a/lib/_http_server.js
+++ b/lib/_http_server.js
@@ -449,7 +449,7 @@ function socketOnData(server, socket, parser, state, d) {
   onParserExecuteCommon(server, socket, parser, state, ret, d);
 }
 
-function onParserExecute(server, socket, parser, state, ret, d) {
+function onParserExecute(server, socket, parser, state, ret) {
   socket._unrefTimer();
   debug('SERVER socketOnParserExecute %d', ret);
   onParserExecuteCommon(server, socket, parser, state, ret, undefined);