diff --git a/routes/index.js b/routes/index.js
index f14b068..470bef0 100644
--- a/routes/index.js
+++ b/routes/index.js
@@ -4,10 +4,6 @@ let multer = require('multer');
 let db = require('../db');
 let fs = require('fs');
 
-function extension(string) {
-  return string.slice((string.lastIndexOf(".") - 2 >>> 0) + 2);
-}
-
 function extension(str){
   let file = str.split('/').pop();
   return [file.substr(0,file.lastIndexOf('.')),file.substr(file.lastIndexOf('.'),file.length)]