diff --git a/js/id/core/history.js b/js/id/core/history.js
index 3ae02b42d..cce3f3330 100644
--- a/js/id/core/history.js
+++ b/js/id/core/history.js
@@ -240,7 +240,7 @@ iD.History = function(context) {
             context.storage(getKey('nextIDs', null));
             context.storage(getKey('index', null));
 
-            stack = JSON.parse(json).map(function(d, i) {
+            stack = JSON.parse(json).map(function(d) {
                 d.graph = iD.Graph(stack[0].graph).load(d.entities);
                 return d;
             });
diff --git a/js/id/services/taginfo.js b/js/id/services/taginfo.js
index feb3c650e..b950952eb 100644
--- a/js/id/services/taginfo.js
+++ b/js/id/services/taginfo.js
@@ -50,7 +50,7 @@ iD.taginfo = function() {
         return function(d) { return parseFloat(d[pop_field]) > 10000; };
     }
 
-    function popularValues(parameters) {
+    function popularValues() {
         return function(d) { return parseFloat(d.fraction) > 0.01; };
     }
 
diff --git a/js/id/ui/inspector.js b/js/id/ui/inspector.js
index 8453de560..e89e7bd02 100644
--- a/js/id/ui/inspector.js
+++ b/js/id/ui/inspector.js
@@ -52,7 +52,7 @@ iD.ui.Inspector = function(context) {
         selection.call(iD.ui.Toggle(true));
     }
 
-    inspector.tags = function(tags) {
+    inspector.tags = function() {
         if (!arguments.length) {
             return tagEditor.tags();
         } else {
diff --git a/js/id/ui/lasso.js b/js/id/ui/lasso.js
index cbf6fe412..1af0e31f8 100644
--- a/js/id/ui/lasso.js
+++ b/js/id/ui/lasso.js
@@ -49,7 +49,7 @@ iD.ui.Lasso = function() {
         return lasso;
     };
 
-    lasso.close = function(selection) {
+    lasso.close = function() {
         if (group) {
             group.call(iD.ui.Toggle(false, function() {
                 d3.select(this).remove();