diff --git a/lib/plan.js b/lib/plan.js
index 28a917525..a7dbb4ec8 100644
--- a/lib/plan.js
+++ b/lib/plan.js
@@ -128,7 +128,7 @@ module.exports = function (max) {
     // run as many new jobs as are allowed.
     var next = function () {
         // array.some skips over bare indexes in sparse arrays
-        var pending = jobs.some(function (bag, priority) {
+        var pending = jobs.some(function (bag /*, priority*/) {
             if (!bag || typeof(bag) !== 'object') { return; }
             // a bag is a map of jobs for any particular degree of priority
             // iterate over jobs in the bag until you're out of 'workers'
@@ -202,7 +202,7 @@ module.exports = function (max) {
     };
 
     var started = false;
-    var start = plan.start = function () {
+    plan.start = function () {
         // don't allow multiple starts
         // even though it should work, it's simpler not to.
         if (started) { return plan; }
diff --git a/scripts/tests/test-plan.js b/scripts/tests/test-plan.js
index d13a9821c..e8624514a 100644
--- a/scripts/tests/test-plan.js
+++ b/scripts/tests/test-plan.js
@@ -1,3 +1,4 @@
+/*jshint esversion: 6 */
 const Plan = require("../../lib/plan");
 
 var rand_delay = function (f) {
@@ -5,7 +6,7 @@ var rand_delay = function (f) {
 };
 
 var plan = Plan(6).job(1, function (next) {
-    [1,2,3,4,5,6,7,8,9,10,11,12].forEach(function (n, i) {
+    [1,2,3,4,5,6,7,8,9,10,11,12].forEach(function (n) {
         plan.job(0, function (next) {
             rand_delay(function () {
                 console.log("finishing job %s", n);
@@ -23,7 +24,7 @@ var plan = Plan(6).job(1, function (next) {
         200,
         300,
         400
-    ].forEach(function (n, i) {
+    ].forEach(function (n) {
         plan.job(3, function (next) {
             rand_delay(function () {
                 console.log("finishing job %s", n);