diff --git a/plugins/VisitsSummary/API.php b/plugins/VisitsSummary/API.php
index 6545e1087b416161d82d26ba0fd2eec1972a8513..9b9f4b2d72b6f1ea70a4d6d8f657311152b08021 100644
--- a/plugins/VisitsSummary/API.php
+++ b/plugins/VisitsSummary/API.php
@@ -63,6 +63,10 @@ class Piwik_VisitsSummary_API
 								'sum_visit_length',
 								'max_actions',
 							);
+			if(!Piwik::isUniqueVisitorsEnabled($period))
+			{
+				unset($columns[array_search('nb_uniq_visitors', $columns)]);
+			}
 		}
 
 		$dataTable = $archive->getDataTableFromNumeric($columns);
diff --git a/tests/integration/expected/test_oneVisitor_oneWebsite_severalDays_DateRange__VisitsSummary.get_range.xml b/tests/integration/expected/test_oneVisitor_oneWebsite_severalDays_DateRange__VisitsSummary.get_range.xml
index f5dba9713126fd8bb5551678066f3c9bc85c3357..2c7964c16da5af4b283afd526286bf903eda5aa1 100644
--- a/tests/integration/expected/test_oneVisitor_oneWebsite_severalDays_DateRange__VisitsSummary.get_range.xml
+++ b/tests/integration/expected/test_oneVisitor_oneWebsite_severalDays_DateRange__VisitsSummary.get_range.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <result>
 	<nb_visits>6</nb_visits>
-	<nb_uniq_visitors>3</nb_uniq_visitors>
 	<nb_actions>9</nb_actions>
 	<nb_visits_converted>0</nb_visits_converted>
 	<bounce_count>3</bounce_count>
diff --git a/tests/integration/expected/test_periodIsRange_dateIsLastN_MetadataAndNormalAPI__API.getProcessedReport_range.xml b/tests/integration/expected/test_periodIsRange_dateIsLastN_MetadataAndNormalAPI__API.getProcessedReport_range.xml
index 650af9dcdc07fd1d293b0e5ebd9410a812e6a3da..dd731e2dd002dd591c91215efcdc8633773a055f 100644
--- a/tests/integration/expected/test_periodIsRange_dateIsLastN_MetadataAndNormalAPI__API.getProcessedReport_range.xml
+++ b/tests/integration/expected/test_periodIsRange_dateIsLastN_MetadataAndNormalAPI__API.getProcessedReport_range.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <result>
 	<website>Piwik test</website>
-	<prettyDate>20 Mar 11 - 26 Mar 11</prettyDate>
+	<prettyDate>23 Mar 11 - 29 Mar 11</prettyDate>
 	<metadata>
 		<category>Visitors</category>
 		<name>Country</name>
@@ -10,7 +10,6 @@
 		<dimension>Country</dimension>
 		<metrics>
 			<nb_visits>Visits</nb_visits>
-			<nb_uniq_visitors>Unique visitors</nb_uniq_visitors>
 			<nb_actions>Actions</nb_actions>
 
 		</metrics>
@@ -37,7 +36,6 @@
 	<columns>
 		<label>Country</label>
 		<nb_visits>Visits</nb_visits>
-		<nb_uniq_visitors>Unique visitors</nb_uniq_visitors>
 		<nb_actions>Actions</nb_actions>
 		<nb_actions_per_visit>Actions per Visit</nb_actions_per_visit>
 		<avg_time_on_site>Avg. Time on Website</avg_time_on_site>
@@ -56,7 +54,6 @@
 			<nb_actions_per_visit>1.67</nb_actions_per_visit>
 			<avg_time_on_site>00:04:00</avg_time_on_site>
 			<bounce_rate>66.67%</bounce_rate>
-			<nb_uniq_visitors>0</nb_uniq_visitors>
 
 		</row>
 
diff --git a/tests/integration/expected/test_periodIsRange_dateIsLastN_MetadataAndNormalAPI__VisitsSummary.get_range.xml b/tests/integration/expected/test_periodIsRange_dateIsLastN_MetadataAndNormalAPI__VisitsSummary.get_range.xml
index a081bab45e99389342fbde8d63712fd0ea447fac..a040fbc4fc7887ea0323853a4f0edb792de28d5e 100644
--- a/tests/integration/expected/test_periodIsRange_dateIsLastN_MetadataAndNormalAPI__VisitsSummary.get_range.xml
+++ b/tests/integration/expected/test_periodIsRange_dateIsLastN_MetadataAndNormalAPI__VisitsSummary.get_range.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <result>
 	<nb_visits>3</nb_visits>
-	<nb_uniq_visitors>3</nb_uniq_visitors>
 	<nb_actions>5</nb_actions>
 	<nb_visits_converted>2</nb_visits_converted>
 	<bounce_count>2</bounce_count>