diff --git a/index.js b/index.js
index f99fa42..bba7391 100644
--- a/index.js
+++ b/index.js
@@ -51,7 +51,7 @@ function base64ToUtf8(b64) {
 
 function bufferToBinaryString(buf) {
   var binstr = Array.prototype.map.call(buf, function (ch) {
-    return '0x' + String.fromCharCode(ch);
+    return String.fromCharCode(ch);
   }).join('');
 
   return binstr;
@@ -84,48 +84,6 @@ function base64ToBuffer(base64) {
   return buf;
 }
 
-// Hex Convenience Functions
-, hexToBuffer: hexToBuffer
-, bufferToHex: bufferToHex
-
-function bufferToHex(arr) {
-  var i;
-  var len;
-  var hex = '';
-  var c;
-
-  for (i = 0, len = arr.length; i < len; i += 1) {
-    c = arr[i].toString(16);
-    if (c.length < 2) {
-      c = '0' + c;
-    }
-    hex += c;
-  }
-
-  return hex;
-}
-
-function hexToBuffer(hex) {
-  // TODO use Uint8Array or ArrayBuffer or DataView
-  var i;
-  var byteLen = hex.length / 2;
-  var arr;
-  var j = 0;
-
-  if (byteLen !== parseInt(byteLen, 10)) {
-    throw new Error("Invalid hex length '" + hex.length + "'");
-  }
-
-  arr = new Uint8Array(byteLen);
-
-  for (i = 0; i < byteLen; i += 1) {
-    arr[i] = parseInt(hex[j] + hex[j + 1], 16);
-    j += 2;
-  }
-
-  return arr;
-}
-
 window.Unibabel = {
   utf8ToBinaryString: utf8ToBinaryString
 , utf8ToBuffer: utf8ToBuffer