diff --git a/lib/cartodb/models/dataview/histogram.js b/lib/cartodb/models/dataview/histogram.js
index 4cbfd0f1..b2782e31 100644
--- a/lib/cartodb/models/dataview/histogram.js
+++ b/lib/cartodb/models/dataview/histogram.js
@@ -2,10 +2,7 @@ var _ = require('underscore');
 var BaseWidget = require('./base');
 var debug = require('debug')('windshaft:dataview:histogram');
 
-var dot = require('dot');
-dot.templateSettings.strip = false;
-
-var columnCastTpl = ctx => `date_part('epoch', ${ctx.column})`
+const columnCastTpl = ctx => `date_part('epoch', ${ctx.column})`
 
 const dateIntervalQueryTpl = ctx => `
     WITH