diff --git a/src/routes/oauth2.js b/src/routes/oauth2.js
index 2d4f7c2e7..e405c7908 100644
--- a/src/routes/oauth2.js
+++ b/src/routes/oauth2.js
@@ -28,20 +28,6 @@ var assert = require('assert'),
 var gServer = oauth2orize.createServer();
 
 
-// Register serialialization and deserialization functions.
-//
-// The client id is stored in the session and can thus be retrieved for each
-// step in the oauth flow transaction, which involves multiple http requests.
-
-gServer.serializeClient(function (client, callback) {
-    return callback(null, client.id);
-});
-
-gServer.deserializeClient(function (id, callback) {
-    clientdb.get(id, callback);
-});
-
-
 // Register supported grant types.
 
 // Grant authorization codes.  The callback takes the `client` requesting