diff --git a/lib/6to5/transformers/destructuring.js b/lib/6to5/transformers/destructuring.js
index bdc130a0a8..7a3317692c 100644
--- a/lib/6to5/transformers/destructuring.js
+++ b/lib/6to5/transformers/destructuring.js
@@ -1,6 +1,7 @@
-var util = require("../util");
-var b    = require("recast").types.builders;
-var _    = require("lodash");
+var traverse = require("../traverse");
+var util     = require("../util");
+var b        = require("recast").types.builders;
+var _        = require("lodash");
 
 var buildVariableAssign = function (kind, id, init) {
   if (kind === false) {
@@ -25,7 +26,7 @@ var pushObjectPattern = function (kind, nodes, pattern, parentId) {
     var pattern2   = prop.value;
     var patternId2 = b.memberExpression(parentId, prop.key, false);
 
-    if (util.isPattern(pattern2)) {
+    if (traverse.isPattern(pattern2)) {
       push(kind, nodes, pattern2, patternId2);
     } else {
       nodes.push(buildVariableAssign(kind, pattern2, patternId2));
@@ -67,7 +68,7 @@ exports.ForOfStatement = function (node, parent, file) {
   if (declar.type !== "VariableDeclaration") return;
 
   var pattern = declar.declarations[0].id;
-  if (!util.isPattern(pattern)) return;
+  if (!traverse.isPattern(pattern)) return;
 
   var key = b.identifier(file.generateUid("ref"));
   node.left = b.variableDeclaration(declar.kind, [
@@ -90,7 +91,7 @@ exports.Function = function (node, parent, file) {
   var hasDestructuring = false;
 
   node.params = node.params.map(function (pattern) {
-    if (!util.isPattern(pattern)) return pattern;
+    if (!traverse.isPattern(pattern)) return pattern;
 
     hasDestructuring = true;
     var parentId = b.identifier(file.generateUid("ref"));
@@ -110,7 +111,7 @@ exports.ExpressionStatement = function (node, parent, file) {
   var expr = node.expression;
   if (expr.type !== "AssignmentExpression") return;
 
-  if (!util.isPattern(expr.left)) return;
+  if (!traverse.isPattern(expr.left)) return;
 
   var nodes = [];
 
@@ -131,7 +132,7 @@ exports.VariableDeclaration = function (node, parent, file) {
 
   var hasPattern = false;
   _.each(node.declarations, function (declar) {
-    if (util.isPattern(declar.id)) {
+    if (traverse.isPattern(declar.id)) {
       hasPattern = true;
       return false;
     }
@@ -141,7 +142,7 @@ exports.VariableDeclaration = function (node, parent, file) {
   _.each(node.declarations, function (declar) {
     var patternId = declar.init;
     var pattern   = declar.id;
-    if (util.isPattern(pattern) && patternId) {
+    if (traverse.isPattern(pattern) && patternId) {
       pushPattern(node.kind, nodes, pattern, patternId, file);
     } else {
       nodes.push(buildVariableAssign(node.kind, declar.id, declar.init));