diff --git a/lib/6to5/transformers/array-comprehension.js b/lib/6to5/transformers/array-comprehension.js
index 16aa8ea7b0..afc9a81c22 100644
--- a/lib/6to5/transformers/array-comprehension.js
+++ b/lib/6to5/transformers/array-comprehension.js
@@ -46,7 +46,7 @@ var multiple = function (node, file) {
 
       // add a filter as this is our final stop
       if (node.filter) {
-        var child = b.ifStatement(node.filter, b.blockStatement([child]));
+        child = b.ifStatement(node.filter, b.blockStatement([child]));
       }
     }
 
diff --git a/lib/6to5/transformers/computed-property-names.js b/lib/6to5/transformers/computed-property-names.js
index f72d0d8537..dc356c62b8 100644
--- a/lib/6to5/transformers/computed-property-names.js
+++ b/lib/6to5/transformers/computed-property-names.js
@@ -1,7 +1,6 @@
-var traverse = require("../traverse");
-var util     = require("../util");
-var b        = require("recast").types.builders;
-var _        = require("lodash");
+var util = require("../util");
+var b    = require("recast").types.builders;
+var _    = require("lodash");
 
 exports.ObjectExpression = function (node, parent, file) {
   var hasComputed = false;
diff --git a/lib/6to5/transformers/let-scoping.js b/lib/6to5/transformers/let-scoping.js
index 0fd18dfd7b..52c09fe203 100644
--- a/lib/6to5/transformers/let-scoping.js
+++ b/lib/6to5/transformers/let-scoping.js
@@ -37,13 +37,9 @@ exports.VariableDeclaration = function (node, parent, file) {
       });
 
       if (letReferences.length) {
-        return b.callExpression(
-          b.functionExpression(null, letReferences,
-            b.blockStatement([
-              b.returnStatement(node)
-            ]
-          )
-        ), letReferences);
+        return b.callExpression(b.functionExpression(null, letReferences, b.blockStatement([
+          b.returnStatement(node)
+        ])), letReferences);
       } else {
         return false;
       }