diff --git a/core/Plugin/Report.php b/core/Plugin/Report.php
index 91a07377fb65da40e94cd0be0ebbee1cdca3ae47..e5c862cf32b3686829c8739553d228c5d2f8db93 100644
--- a/core/Plugin/Report.php
+++ b/core/Plugin/Report.php
@@ -127,13 +127,6 @@ class Report
     public $processedMetrics = array('nb_actions_per_visit', 'avg_time_on_site', 'bounce_rate', 'conversion_rate');
     // for a little performance improvement we avoid having to call Metrics::getDefaultProcessedMetrics for each report
 
-    /**
-     * TODO
-     *
-     * TODO: shouldn't be public
-     */
-    public $temporaryMetrics = array();
-
     /**
      * Set this property to true in case your report supports goal metrics. In this case, the goal metrics will be
      * automatically added to the report metadata and the report will be displayed in the Goals UI.
diff --git a/plugins/API/API.php b/plugins/API/API.php
index 9d7d3641871ad037edd16803004e7a66820a2612..5af04194ae2d777ae9d910979ebcd7b1ca237514 100644
--- a/plugins/API/API.php
+++ b/plugins/API/API.php
@@ -381,7 +381,8 @@ class API extends \Piwik\Plugin\API
                 && !empty($reportMeta['metrics'])
             ) {
                 $plugin = $reportMeta['module'];
-                foreach ($reportMeta['metrics'] as $column => $columnTranslation) {
+                $allMetrics = array_merge($reportMeta['metrics'], @$reportMeta['processedMetrics'] ?: array());
+                foreach ($allMetrics as $column => $columnTranslation) {
                     // a metric from this report has been requested
                     if (isset($columnsMap[$column])
                         // or by default, return all metrics
diff --git a/plugins/API/Reports/Get.php b/plugins/API/Reports/Get.php
index f8e7e5280cd9b64b07da4ad781647044d5f827c2..2ed936cd081162f60b62b5aac231f672652fb22b 100644
--- a/plugins/API/Reports/Get.php
+++ b/plugins/API/Reports/Get.php
@@ -48,15 +48,6 @@ class Get extends Report
             $this->metrics = array_merge($this->metrics, $report->metrics);
         }
 
-        $this->temporaryMetrics = array();
-        foreach ($this->reportsToMerge as $report) {
-            if (!is_array($report->temporaryMetrics)) {
-                continue;
-            }
-
-            $this->temporaryMetrics = array_merge($this->temporaryMetrics, $report->temporaryMetrics);
-        }
-
         // Used to process metrics, not displayed/used directly
 //								'sum_visit_length',
 //								'nb_visits_converted',
diff --git a/plugins/VisitFrequency/Metrics/BounceRateReturning.php b/plugins/VisitFrequency/Metrics/BounceRateReturning.php
deleted file mode 100644
index 9d9f2f89f921351e3d0931b56c2a47ec0e37a247..0000000000000000000000000000000000000000
--- a/plugins/VisitFrequency/Metrics/BounceRateReturning.php
+++ /dev/null
@@ -1,43 +0,0 @@
-<?php
-/**
- * Piwik - free/libre analytics platform
- *
- * @link http://piwik.org
- * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
- */
-namespace Piwik\Plugins\VisitFrequency\Metrics;
-
-use Piwik\DataTable\Row;
-use Piwik\Piwik;
-use Piwik\Plugin\ProcessedMetric;
-
-/**
- * TODO
- */
-class BounceRateReturning extends ProcessedMetric
-{
-    public function getName()
-    {
-        return 'bounce_rate_returning';
-    }
-
-    public function getTranslatedName()
-    {
-        return Piwik::translate('VisitFrequency_ColumnBounceRateForReturningVisits');
-    }
-
-    public function format($value)
-    {
-        return ($value * 100) . '%';
-    }
-
-    public function compute(Row $row)
-    {
-        return 0; // (metric is not computed, it is copied from segmented report)
-    }
-
-    public function getDependenctMetrics()
-    {
-        return array();
-    }
-}
\ No newline at end of file
diff --git a/plugins/VisitFrequency/Metrics/ReturningMetric.php b/plugins/VisitFrequency/Metrics/ReturningMetric.php
new file mode 100644
index 0000000000000000000000000000000000000000..8f99c057a1262babc5a60e50acaa2ff05c98994c
--- /dev/null
+++ b/plugins/VisitFrequency/Metrics/ReturningMetric.php
@@ -0,0 +1,59 @@
+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+namespace Piwik\Plugins\VisitFrequency\Metrics;
+
+use Piwik\DataTable\Row;
+use Piwik\Piwik;
+use Piwik\Plugin\ProcessedMetric;
+
+/**
+ * TODO
+ */
+class ReturningMetric extends ProcessedMetric
+{
+    private static $translations = array(
+        'avg_time_on_site_returning' => 'ColumnAverageVisitDurationForReturningVisitors',
+        'nb_actions_per_visit_returning' => 'ColumnAvgActionsPerReturningVisit',
+        'bounce_rate_returning' => 'ColumnBounceRateForReturningVisits',
+    );
+
+    /**
+     * @var ProcessedMetric
+     */
+    private $wrapped;
+
+    public function __construct(ProcessedMetric $wrapped)
+    {
+        $this->wrapped = $wrapped;
+    }
+
+    public function getName()
+    {
+        return $this->wrapped->getName() . '_returning';
+    }
+
+    public function getTranslatedName()
+    {
+        return Piwik::translate(self::$translations[$this->getName()]);
+    }
+
+    public function format($value)
+    {
+        return $this->wrapped->format($value);
+    }
+
+    public function compute(Row $row)
+    {
+        return 0; // (metric is not computed, it is copied from segmented report)
+    }
+
+    public function getDependenctMetrics()
+    {
+        return array();
+    }
+}
\ No newline at end of file
diff --git a/plugins/VisitFrequency/Reports/Get.php b/plugins/VisitFrequency/Reports/Get.php
index f1cf21293c755332c4b5a0ff9807d3afd9cc8c30..332b9b6e09f1b507918adcb553609c0de292a96d 100644
--- a/plugins/VisitFrequency/Reports/Get.php
+++ b/plugins/VisitFrequency/Reports/Get.php
@@ -9,7 +9,10 @@
 namespace Piwik\Plugins\VisitFrequency\Reports;
 
 use Piwik\Piwik;
-use Piwik\Plugins\VisitFrequency\Metrics\BounceRateReturning;
+use Piwik\Plugins\CoreHome\Metrics\ActionsPerVisit;
+use Piwik\Plugins\CoreHome\Metrics\AverageTimeOnSite;
+use Piwik\Plugins\CoreHome\Metrics\BounceRate;
+use Piwik\Plugins\VisitFrequency\Metrics\ReturningMetric;
 
 class Get extends \Piwik\Plugin\Report
 {
@@ -20,13 +23,13 @@ class Get extends \Piwik\Plugin\Report
         $this->name          = Piwik::translate('VisitFrequency_ColumnReturningVisits');
         $this->documentation = ''; // TODO
         $this->processedMetrics = array(
-            new BounceRateReturning()
+            new ReturningMetric(new AverageTimeOnSite()),
+            new ReturningMetric(new ActionsPerVisit()),
+            new ReturningMetric(new BounceRate())
         );
         $this->metrics       = array(
             'nb_visits_returning',
             'nb_actions_returning',
-            'avg_time_on_site_returning',
-            'nb_actions_per_visit_returning',
             'nb_uniq_visitors_returning',
             'sum_visit_length_returning',
             'nb_users_returning',
diff --git a/plugins/VisitsSummary/Reports/Get.php b/plugins/VisitsSummary/Reports/Get.php
index 32fc2a2644c82f5805b713dbbe5e0b967bf01be0..e2ba2657044a4b736312e91b1443d4a961644676 100644
--- a/plugins/VisitsSummary/Reports/Get.php
+++ b/plugins/VisitsSummary/Reports/Get.php
@@ -50,7 +50,7 @@ class Get extends \Piwik\Plugin\Report
 
     public function getProcessedMetrics()
     {
-        $metrics = parent::getMetrics();
+        $metrics = parent::getProcessedMetrics();
 
         $metrics['avg_time_on_site'] = Piwik::translate('General_VisitDuration');
 
diff --git a/tests/PHPUnit/System/expected/test_apiGetReportMetadata__API.getReportMetadata_day.xml b/tests/PHPUnit/System/expected/test_apiGetReportMetadata__API.getReportMetadata_day.xml
index 005ad102454aafef46a028ffe9ecbec6b7384e55..ce93308a2e01a376406d69fc1c791a2400ec8339 100644
--- a/tests/PHPUnit/System/expected/test_apiGetReportMetadata__API.getReportMetadata_day.xml
+++ b/tests/PHPUnit/System/expected/test_apiGetReportMetadata__API.getReportMetadata_day.xml
@@ -21,8 +21,6 @@
 			<revenue>Revenue</revenue>
 			<nb_visits_returning>Returning Visits</nb_visits_returning>
 			<nb_actions_returning>Actions by Returning Visits</nb_actions_returning>
-			<avg_time_on_site_returning>Avg. Duration of a Returning Visit (in sec)</avg_time_on_site_returning>
-			<nb_actions_per_visit_returning>Avg. Actions per Returning Visit</nb_actions_per_visit_returning>
 			<nb_uniq_visitors_returning>Unique returning visitors</nb_uniq_visitors_returning>
 			<sum_visit_length_returning>Total time spent by returning visitors (in seconds)</sum_visit_length_returning>
 			<nb_users_returning>Returning Users</nb_users_returning>
@@ -32,8 +30,6 @@
 			<nb_visits>Visits</nb_visits>
 			<nb_users>Users</nb_users>
 			<nb_actions>Actions</nb_actions>
-			<nb_actions_per_visit>Actions per Visit</nb_actions_per_visit>
-			<avg_time_on_site>Avg. Visit Duration (in seconds)</avg_time_on_site>
 			<max_actions>Maximum actions in one visit</max_actions>
 		</metrics>
 		<metricsDocumentation>
@@ -50,12 +46,14 @@
 			<nb_visits>If a visitor comes to your website for the first time or if he visits a page more than 30 minutes after his last page view, this will be recorded as a new visit.</nb_visits>
 			<nb_users>The number of users logged in your website. It is the number of unique active users that have a User ID set (via the Tracking code function 'setUserId').</nb_users>
 			<nb_actions>The number of actions performed by your visitors. Actions can be page views, internal site searches, downloads or outlinks.</nb_actions>
-			<nb_actions_per_visit>The average number of actions (page views, site searches, downloads or outlinks) that were performed during the visits.</nb_actions_per_visit>
-			<avg_time_on_site>The average duration of a visit.</avg_time_on_site>
 		</metricsDocumentation>
 		<processedMetrics>
+			<avg_time_on_site_returning>Avg. Duration of a Returning Visit (in sec)</avg_time_on_site_returning>
+			<nb_actions_per_visit_returning>Avg. Actions per Returning Visit</nb_actions_per_visit_returning>
 			<bounce_rate_returning>Bounce Rate for Returning Visits</bounce_rate_returning>
 			<bounce_rate>Bounce Rate</bounce_rate>
+			<nb_actions_per_visit>Actions per Visit</nb_actions_per_visit>
+			<avg_time_on_site>Avg. Time on Website</avg_time_on_site>
 		</processedMetrics>
 		<imageGraphUrl>index.php?module=API&amp;method=ImageGraph.get&amp;idSite=1&amp;apiModule=API&amp;apiAction=get&amp;period=day&amp;date=2008-12-06,2009-01-04</imageGraphUrl>
 		<imageGraphEvolutionUrl>index.php?module=API&amp;method=ImageGraph.get&amp;idSite=1&amp;apiModule=API&amp;apiAction=get&amp;period=day&amp;date=2008-12-06,2009-01-04</imageGraphEvolutionUrl>
@@ -133,8 +131,6 @@
 			<nb_visits>Visits</nb_visits>
 			<nb_users>Users</nb_users>
 			<nb_actions>Actions</nb_actions>
-			<nb_actions_per_visit>Actions per Visit</nb_actions_per_visit>
-			<avg_time_on_site>Avg. Visit Duration (in seconds)</avg_time_on_site>
 			<max_actions>Maximum actions in one visit</max_actions>
 		</metrics>
 		<metricsDocumentation>
@@ -142,11 +138,11 @@
 			<nb_visits>If a visitor comes to your website for the first time or if he visits a page more than 30 minutes after his last page view, this will be recorded as a new visit.</nb_visits>
 			<nb_users>The number of users logged in your website. It is the number of unique active users that have a User ID set (via the Tracking code function 'setUserId').</nb_users>
 			<nb_actions>The number of actions performed by your visitors. Actions can be page views, internal site searches, downloads or outlinks.</nb_actions>
-			<nb_actions_per_visit>The average number of actions (page views, site searches, downloads or outlinks) that were performed during the visits.</nb_actions_per_visit>
-			<avg_time_on_site>The average duration of a visit.</avg_time_on_site>
 		</metricsDocumentation>
 		<processedMetrics>
 			<bounce_rate>Bounce Rate</bounce_rate>
+			<nb_actions_per_visit>Actions per Visit</nb_actions_per_visit>
+			<avg_time_on_site>Avg. Visit Duration (in seconds)</avg_time_on_site>
 		</processedMetrics>
 		<imageGraphUrl>index.php?module=API&amp;method=ImageGraph.get&amp;idSite=1&amp;apiModule=VisitsSummary&amp;apiAction=get&amp;period=day&amp;date=2008-12-06,2009-01-04</imageGraphUrl>
 		<imageGraphEvolutionUrl>index.php?module=API&amp;method=ImageGraph.get&amp;idSite=1&amp;apiModule=VisitsSummary&amp;apiAction=get&amp;period=day&amp;date=2008-12-06,2009-01-04</imageGraphEvolutionUrl>
@@ -1844,8 +1840,6 @@
 		<metrics>
 			<nb_visits_returning>Returning Visits</nb_visits_returning>
 			<nb_actions_returning>Actions by Returning Visits</nb_actions_returning>
-			<avg_time_on_site_returning>Avg. Duration of a Returning Visit (in sec)</avg_time_on_site_returning>
-			<nb_actions_per_visit_returning>Avg. Actions per Returning Visit</nb_actions_per_visit_returning>
 			<nb_uniq_visitors_returning>Unique returning visitors</nb_uniq_visitors_returning>
 			<sum_visit_length_returning>Total time spent by returning visitors (in seconds)</sum_visit_length_returning>
 			<nb_users_returning>Returning Users</nb_users_returning>
@@ -1853,6 +1847,8 @@
 			<max_actions_returning>Maximum actions in one returning visit</max_actions_returning>
 		</metrics>
 		<processedMetrics>
+			<avg_time_on_site_returning>Avg. Duration of a Returning Visit (in sec)</avg_time_on_site_returning>
+			<nb_actions_per_visit_returning>Avg. Actions per Returning Visit</nb_actions_per_visit_returning>
 			<bounce_rate_returning>Bounce Rate for Returning Visits</bounce_rate_returning>
 		</processedMetrics>
 		<imageGraphUrl>index.php?module=API&amp;method=ImageGraph.get&amp;idSite=1&amp;apiModule=VisitFrequency&amp;apiAction=get&amp;period=day&amp;date=2008-12-06,2009-01-04</imageGraphUrl>
@@ -2134,8 +2130,6 @@
 			<revenue>Revenue</revenue>
 			<nb_visits_returning>Returning Visits</nb_visits_returning>
 			<nb_actions_returning>Actions by Returning Visits</nb_actions_returning>
-			<avg_time_on_site_returning>Avg. Duration of a Returning Visit (in sec)</avg_time_on_site_returning>
-			<nb_actions_per_visit_returning>Avg. Actions per Returning Visit</nb_actions_per_visit_returning>
 			<nb_uniq_visitors_returning>Unique returning visitors</nb_uniq_visitors_returning>
 			<sum_visit_length_returning>Total time spent by returning visitors (in seconds)</sum_visit_length_returning>
 			<nb_users_returning>Returning Users</nb_users_returning>
@@ -2145,8 +2139,6 @@
 			<nb_visits>Visits</nb_visits>
 			<nb_users>Users</nb_users>
 			<nb_actions>Actions</nb_actions>
-			<nb_actions_per_visit>Actions per Visit</nb_actions_per_visit>
-			<avg_time_on_site>Avg. Visit Duration (in seconds)</avg_time_on_site>
 			<max_actions>Maximum actions in one visit</max_actions>
 			<revenue_subtotal>Subtotal</revenue_subtotal>
 			<revenue_tax>Tax</revenue_tax>
@@ -2156,8 +2148,12 @@
 			<avg_order_revenue>Average Order Value</avg_order_revenue>
 		</metrics>
 		<processedMetrics>
+			<avg_time_on_site_returning>Avg. Duration of a Returning Visit (in sec)</avg_time_on_site_returning>
+			<nb_actions_per_visit_returning>Avg. Actions per Returning Visit</nb_actions_per_visit_returning>
 			<bounce_rate_returning>Bounce Rate for Returning Visits</bounce_rate_returning>
 			<bounce_rate>Bounce Rate</bounce_rate>
+			<nb_actions_per_visit>Actions per Visit</nb_actions_per_visit>
+			<avg_time_on_site>Avg. Visit Duration (in seconds)</avg_time_on_site>
 		</processedMetrics>
 		<metricsDocumentation>
 			<nb_pageviews>The number of times this page was visited.</nb_pageviews>
@@ -2173,8 +2169,6 @@
 			<nb_visits>If a visitor comes to your website for the first time or if he visits a page more than 30 minutes after his last page view, this will be recorded as a new visit.</nb_visits>
 			<nb_users>The number of users logged in your website. It is the number of unique active users that have a User ID set (via the Tracking code function 'setUserId').</nb_users>
 			<nb_actions>The number of actions performed by your visitors. Actions can be page views, internal site searches, downloads or outlinks.</nb_actions>
-			<nb_actions_per_visit>The average number of actions (page views, site searches, downloads or outlinks) that were performed during the visits.</nb_actions_per_visit>
-			<avg_time_on_site>The average duration of a visit.</avg_time_on_site>
 		</metricsDocumentation>
 		<uniqueId>API_get</uniqueId>
 	</row>
diff --git a/tests/PHPUnit/System/expected/test_apiGetReportMetadata__API.get_day.xml b/tests/PHPUnit/System/expected/test_apiGetReportMetadata__API.get_day.xml
index a69bb4a656a8adb7fc72348ee516d7e0b97bed6c..d4b0c6d61db61f5c8d5ac42742ce66f641f69acf 100644
--- a/tests/PHPUnit/System/expected/test_apiGetReportMetadata__API.get_day.xml
+++ b/tests/PHPUnit/System/expected/test_apiGetReportMetadata__API.get_day.xml
@@ -1,27 +1,24 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <result>
 	<nb_uniq_visitors>1</nb_uniq_visitors>
-	<nb_users>0</nb_users>
 	<nb_visits>1</nb_visits>
+	<nb_users>0</nb_users>
 	<nb_actions>1</nb_actions>
-	<nb_visits_converted>1</nb_visits_converted>
+	<max_actions>1</max_actions>
 	<bounce_count>1</bounce_count>
 	<sum_visit_length>1086</sum_visit_length>
-	<max_actions>1</max_actions>
-	<nb_actions_per_visit>1</nb_actions_per_visit>
-	<avg_time_on_site>1086</avg_time_on_site>
-	<nb_uniq_visitors_returning>0</nb_uniq_visitors_returning>
-	<nb_users_returning>0</nb_users_returning>
 	<nb_visits_returning>0</nb_visits_returning>
 	<nb_actions_returning>0</nb_actions_returning>
-	<nb_visits_converted_returning>0</nb_visits_converted_returning>
-	<bounce_count_returning>0</bounce_count_returning>
+	<nb_uniq_visitors_returning>0</nb_uniq_visitors_returning>
 	<sum_visit_length_returning>0</sum_visit_length_returning>
+	<nb_users_returning>0</nb_users_returning>
+	<nb_visits_converted_returning>0</nb_visits_converted_returning>
 	<max_actions_returning>0</max_actions_returning>
+	<bounce_rate_returning>0%</bounce_rate_returning>
 	<nb_actions_per_visit_returning>0</nb_actions_per_visit_returning>
 	<avg_time_on_site_returning>0</avg_time_on_site_returning>
-	<bounce_rate_returning>0%</bounce_rate_returning>
 	<nb_conversions>1</nb_conversions>
+	<nb_visits_converted>1</nb_visits_converted>
 	<conversion_rate>100</conversion_rate>
 	<revenue>42.26</revenue>
 	<nb_pageviews>1</nb_pageviews>
@@ -34,4 +31,6 @@
 	<nb_keywords>0</nb_keywords>
 	<avg_time_generation>0</avg_time_generation>
 	<bounce_rate>100%</bounce_rate>
+	<nb_actions_per_visit>1</nb_actions_per_visit>
+	<avg_time_on_site>1086</avg_time_on_site>
 </result>
\ No newline at end of file
diff --git a/tests/PHPUnit/System/expected/test_apiGetReportMetadata_showRawMetrics__API.getProcessedReport_day.xml b/tests/PHPUnit/System/expected/test_apiGetReportMetadata_showRawMetrics__API.getProcessedReport_day.xml
index 4b38b3da7f33c7eb77c350a9df45faa3b11a028e..a701470308e9acf030a9e1caac16239bee017012 100644
--- a/tests/PHPUnit/System/expected/test_apiGetReportMetadata_showRawMetrics__API.getProcessedReport_day.xml
+++ b/tests/PHPUnit/System/expected/test_apiGetReportMetadata_showRawMetrics__API.getProcessedReport_day.xml
@@ -64,7 +64,7 @@
 			</goals>
 			<nb_conversions>1</nb_conversions>
 			<revenue>$ 42.26</revenue>
-			<conversion_rate>0</conversion_rate>
+			<conversion_rate>0%</conversion_rate>
 			<nb_actions_per_visit>1</nb_actions_per_visit>
 			<avg_time_on_site>00:18:06</avg_time_on_site>
 			<bounce_rate>100%</bounce_rate>