From bb00f641b70043edda27f8ab818423a08ba194b2 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Wed, 12 Nov 2014 18:42:24 +1100
Subject: [PATCH] remove unused variables in spread transformer

---
 lib/6to5/transformation/transformers/spread.js | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/lib/6to5/transformation/transformers/spread.js b/lib/6to5/transformation/transformers/spread.js
index dc515eac42..fdb246b618 100644
--- a/lib/6to5/transformation/transformers/spread.js
+++ b/lib/6to5/transformation/transformers/spread.js
@@ -23,7 +23,7 @@ var hasSpread = function (nodes) {
   return has;
 };
 
-var build = function (props, file) {
+var build = function (props) {
   var nodes = [];
 
   var _props = [];
@@ -48,11 +48,11 @@ var build = function (props, file) {
   return nodes;
 };
 
-exports.ArrayExpression = function (node, parent, file) {
+exports.ArrayExpression = function (node) {
   var elements = node.elements;
   if (!hasSpread(elements)) return;
 
-  var nodes = build(elements, file);
+  var nodes = build(elements);
   var first = nodes.shift();
 
   if (!nodes.length) return first;
@@ -60,7 +60,7 @@ exports.ArrayExpression = function (node, parent, file) {
   return t.callExpression(t.memberExpression(first, t.identifier("concat")), nodes);
 };
 
-exports.CallExpression = function (node, parent, file) {
+exports.CallExpression = function (node) {
   var args = node.arguments;
   if (!hasSpread(args)) return;
 
@@ -68,7 +68,7 @@ exports.CallExpression = function (node, parent, file) {
 
   node.arguments = [];
 
-  var nodes = build(args, file);
+  var nodes = build(args);
   var first = nodes.shift();
 
   if (nodes.length) {
@@ -100,7 +100,7 @@ exports.NewExpression = function (node, parent, file) {
   var args = node.arguments;
   if (!hasSpread(args)) return;
 
-  var nodes = build(args, file);
+  var nodes = build(args);
   var first = nodes.shift();
 
   if (nodes.length) {