diff --git a/lib/cartodb/backends/stats.js b/lib/cartodb/backends/stats.js
index 489c1740..eb800e3c 100644
--- a/lib/cartodb/backends/stats.js
+++ b/lib/cartodb/backends/stats.js
@@ -5,13 +5,13 @@ function StatsBackend() {
 
 module.exports = StatsBackend;
 
-StatsBackend.prototype.getStats = function(mapConfig, params, dbConnection, callback) {
+StatsBackend.prototype.getStats = function(mapConfig, dbConnection, callback) {
     var enabledFeatures = global.environment.enabledFeatures;
     var layerStatsEnabled = enabledFeatures ? enabledFeatures.layerStats: false;
     if (layerStatsEnabled) {
         var layerStats = windshaftStats();
-        layerStats.getStats(mapConfig, params, dbConnection, callback);
+        layerStats.getStats(mapConfig, dbConnection, callback);
     } else {
-        callback(null, null);
+        return callback(null, null);
     }
 };
diff --git a/lib/cartodb/controllers/map.js b/lib/cartodb/controllers/map.js
index 353b459d..cd5bbed3 100644
--- a/lib/cartodb/controllers/map.js
+++ b/lib/cartodb/controllers/map.js
@@ -367,7 +367,7 @@ function(req, res, mapconfig, layergroup, analysesResults, rendererParams, callb
         function fetchLayersStats(err) {
             assert.ifError(err);
             var next = this;
-            self.statsBackend.getStats(mapconfig, rendererParams, dbConnection, function(err, layersStats) {
+            self.statsBackend.getStats(mapconfig, dbConnection, function(err, layersStats) {
                 if (err) {
                     return next(err);
                 }