diff --git a/lib/utils.js b/lib/utils.js
index 06cae2f0..8775a327 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -34,7 +34,7 @@ var compactQueue = function compactQueue(queue) {
     return obj;
 };
 
-exports.arrayToObject = function arrayToObject(source, options) {
+var arrayToObject = function arrayToObject(source, options) {
     var obj = options && options.plainObjects ? Object.create(null) : {};
     for (var i = 0; i < source.length; ++i) {
         if (typeof source[i] !== 'undefined') {
@@ -45,7 +45,7 @@ exports.arrayToObject = function arrayToObject(source, options) {
     return obj;
 };
 
-exports.merge = function merge(target, source, options) {
+var merge = function merge(target, source, options) {
     if (!source) {
         return target;
     }
@@ -70,14 +70,14 @@ exports.merge = function merge(target, source, options) {
 
     var mergeTarget = target;
     if (Array.isArray(target) && !Array.isArray(source)) {
-        mergeTarget = exports.arrayToObject(target, options);
+        mergeTarget = arrayToObject(target, options);
     }
 
     if (Array.isArray(target) && Array.isArray(source)) {
         source.forEach(function (item, i) {
             if (has.call(target, i)) {
                 if (target[i] && typeof target[i] === 'object') {
-                    target[i] = exports.merge(target[i], item, options);
+                    target[i] = merge(target[i], item, options);
                 } else {
                     target.push(item);
                 }
@@ -92,7 +92,7 @@ exports.merge = function merge(target, source, options) {
         var value = source[key];
 
         if (has.call(acc, key)) {
-            acc[key] = exports.merge(acc[key], value, options);
+            acc[key] = merge(acc[key], value, options);
         } else {
             acc[key] = value;
         }
@@ -100,14 +100,14 @@ exports.merge = function merge(target, source, options) {
     }, mergeTarget);
 };
 
-exports.assign = function assignSingleSource(target, source) {
+var assign = function assignSingleSource(target, source) {
     return Object.keys(source).reduce(function (acc, key) {
         acc[key] = source[key];
         return acc;
     }, target);
 };
 
-exports.decode = function (str) {
+var decode = function (str) {
     try {
         return decodeURIComponent(str.replace(/\+/g, ' '));
     } catch (e) {
@@ -115,7 +115,7 @@ exports.decode = function (str) {
     }
 };
 
-exports.encode = function encode(str) {
+var encode = function encode(str) {
     // This code was originally written by Brian White (mscdex) for the io.js core querystring library.
     // It has been adapted here for stricter adherence to RFC 3986
     if (str.length === 0) {
@@ -167,7 +167,7 @@ exports.encode = function encode(str) {
     return out;
 };
 
-exports.compact = function compact(value) {
+var compact = function compact(value) {
     var queue = [{ obj: { o: value }, prop: 'o' }];
     var refs = [];
 
@@ -189,14 +189,25 @@ exports.compact = function compact(value) {
     return compactQueue(queue);
 };
 
-exports.isRegExp = function isRegExp(obj) {
+var isRegExp = function isRegExp(obj) {
     return Object.prototype.toString.call(obj) === '[object RegExp]';
 };
 
-exports.isBuffer = function isBuffer(obj) {
+var isBuffer = function isBuffer(obj) {
     if (obj === null || typeof obj === 'undefined') {
         return false;
     }
 
     return !!(obj.constructor && obj.constructor.isBuffer && obj.constructor.isBuffer(obj));
 };
+
+module.exports = {
+    arrayToObject: arrayToObject,
+    assign: assign,
+    compact: compact,
+    decode: decode,
+    encode: encode,
+    isBuffer: isBuffer,
+    isRegExp: isRegExp,
+    merge: merge
+};