diff --git a/peer-exchange/src/random.js b/peer-exchange/src/random.js
deleted file mode 100644
index 4c9172c..0000000
--- a/peer-exchange/src/random.js
+++ /dev/null
@@ -1,20 +0,0 @@
-const crypto = require('crypto');
-
-const ID_LENGTH = 12;
-const URL_SAFE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
-
-function generateRandomString(len = 6, chars = URL_SAFE) {
-  let cursor = 0;
-  return crypto.randomBytes(len).reduce((string, byte) => {
-    cursor += byte;
-    return string + chars[cursor % chars.length];
-  }, '');
-}
-
-function createId() {
-    return generateRandomString(ID_LENGTH);
-}
-
-module.exports = {
-    createId,
-};