diff --git a/lib/routes.js b/lib/routes.js
index 3d3a53df..aaf4b7e5 100644
--- a/lib/routes.js
+++ b/lib/routes.js
@@ -109,9 +109,8 @@ function cashOut(req, res) {
 }
 
 function depositAck(req, res) {
-  plugins.depositAck(getFingerprint(req), req.body, function(err) {
-    res.json(200);
-  });
+  plugins.depositAck(getFingerprint(req), req.body);
+  res.json(200);
 }
 
 function deviceEvent(req, res) {