diff --git a/lib/cartodb/backends/template_maps.js b/lib/cartodb/backends/template_maps.js
index 17ed8f6e..e362be3b 100644
--- a/lib/cartodb/backends/template_maps.js
+++ b/lib/cartodb/backends/template_maps.js
@@ -1,7 +1,5 @@
-var assert = require('assert');
 var crypto = require('crypto');
 var debug = require('debug')('windshaft:templates');
-var step = require('step');
 var _ = require('underscore');
 var dot = require('dot');