diff --git a/ckan/public/base/javascript/modules/data-viewer.js b/ckan/public/base/javascript/modules/data-viewer.js
index dedf1e24d39..f928ed1c0d3 100644
--- a/ckan/public/base/javascript/modules/data-viewer.js
+++ b/ckan/public/base/javascript/modules/data-viewer.js
@@ -5,7 +5,7 @@ this.ckan.module('data-viewer', function (jQuery) {
     options: {
       timeout: 200,
       minHeight: 400,
-      padding: 42
+      padding: 30
     },
 
     initialize: function () {
@@ -21,37 +21,17 @@ this.ckan.module('data-viewer', function (jQuery) {
       if (this.el.attr('src').substring(0, loc.length) === loc) {
         this._recalibrate();
         setInterval(function() {
-          if (!self.el.is(':animated')) {
-            self._recalibrate();
-          }
+          self._recalibrate();
         }, this.options.timeout);
       } else {
-        this.el.animate({height: 600}, 600);
+        this.el.css('height', 600);
       }
     },
 
-    _showDebugInfo: function() {
-      var iframe = this.el;
-      console.log('=================');
-      console.log($(iframe.get(0), window.top.document).contents().find('body')[0].scrollHeight);
-      console.log($(iframe.get(0).contentWindow.document).height());
-      console.log($(iframe.get(0).contentWindow.document.body).height());
-      console.log($(iframe.contents().height()));
-      console.log($(iframe.contents().innerHeight()));
-      console.log($(iframe.contents().find('html').height()));
-      console.log($(iframe.contents().find('body').height()));
-      console.log($(iframe.contents().find('body').innerHeight()));
-    },
-
     _recalibrate: function() {
-      // save reference to this to use in timeout
-      var self = this;
-      var height = self.el.contents().find('body').height();
-      height = Math.max(height, self.options.minHeight);
-      var deltaHeight = height - (self.el.height() - self.options.padding);
-      if (deltaHeight > 1 || deltaHeight < -10) {
-        self.el.animate({height: height+self.options.padding}, Math.min(700, height*2));
-      }
+      var height = this.el.contents().find('body').outerHeight(true);
+      height = Math.max(height, this.options.minHeight);
+      this.el.css('height', height + this.options.padding);
     },
 
     // firefox caches iframes so force it to get fresh content