diff --git a/tests/System/TasksTest.php b/tests/System/TasksTest.php
index 459e8dd..f50b97f 100644
--- a/tests/System/TasksTest.php
+++ b/tests/System/TasksTest.php
@@ -87,10 +87,8 @@ public function getApiForTesting()
                     'idSite'     => 1,
                     'date'       => 'today',
                     'periods'    => ['year'],
-                    'testSuffix' => ($api === 'API.get' && version_compare(Version::VERSION, '4.14.2', '<')) ? 'old' : '',
-
                     'otherRequestParameters' => [
-                        'hideColumns' => 'sum_bandwidth,nb_hits_with_bandwidth,min_bandwidth,max_bandwidth,avg_bandwidth,nb_total_overall_bandwidth,nb_total_pageview_bandwidth,nb_total_download_bandwidth',
+                        'hideColumns' => 'sum_visit_length,entry_sum_visit_length,avg_time_on_site_new,sum_bandwidth,nb_hits_with_bandwidth,min_bandwidth,max_bandwidth,avg_bandwidth,nb_total_overall_bandwidth,nb_total_pageview_bandwidth,nb_total_download_bandwidth',
                     ],
 
                     // when calling CustomVariables.getUsagesOfSlots, new archives are created until 'today',
diff --git a/tests/System/expected/test___API.get_year.xml b/tests/System/expected/test___API.get_year.xml
index c078ff1..8eab3ab 100644
--- a/tests/System/expected/test___API.get_year.xml
+++ b/tests/System/expected/test___API.get_year.xml
@@ -4,13 +4,11 @@
 	<nb_actions>39</nb_actions>
 	<max_actions>39</max_actions>
 	<bounce_count>0</bounce_count>
-	<sum_visit_length>1</sum_visit_length>
 	<nb_visits_new>1</nb_visits_new>
 	<nb_actions_new>39</nb_actions_new>
 	<max_actions_new>39</max_actions_new>
 	<bounce_rate_new>0%</bounce_rate_new>
 	<nb_actions_per_visit_new>39</nb_actions_per_visit_new>
-	<avg_time_on_site_new>1</avg_time_on_site_new>
 	<nb_visits_returning>0</nb_visits_returning>
 	<nb_actions_returning>0</nb_actions_returning>
 	<max_actions_returning>0</max_actions_returning>
diff --git a/tests/System/expected/test___Actions.getPageTitles_year.xml b/tests/System/expected/test___Actions.getPageTitles_year.xml
index 4946e31..0ac1141 100644
--- a/tests/System/expected/test___Actions.getPageTitles_year.xml
+++ b/tests/System/expected/test___Actions.getPageTitles_year.xml
@@ -7,7 +7,6 @@
 		<sum_time_spent>0</sum_time_spent>
 		<entry_nb_visits>1</entry_nb_visits>
 		<entry_nb_actions>39</entry_nb_actions>
-		<entry_sum_visit_length>1</entry_sum_visit_length>
 		<entry_bounce_count>0</entry_bounce_count>
 		<exit_nb_visits>1</exit_nb_visits>
 		<sum_daily_nb_uniq_visitors>1</sum_daily_nb_uniq_visitors>
diff --git a/tests/System/expected/test___Actions.getPageUrls_year.xml b/tests/System/expected/test___Actions.getPageUrls_year.xml
index 36b9c03..78df702 100644
--- a/tests/System/expected/test___Actions.getPageUrls_year.xml
+++ b/tests/System/expected/test___Actions.getPageUrls_year.xml
@@ -7,7 +7,6 @@
 		<sum_time_spent>0</sum_time_spent>
 		<entry_nb_visits>1</entry_nb_visits>
 		<entry_nb_actions>39</entry_nb_actions>
-		<entry_sum_visit_length>1</entry_sum_visit_length>
 		<entry_bounce_count>0</entry_bounce_count>
 		<exit_nb_visits>1</exit_nb_visits>
 		<sum_daily_nb_uniq_visitors>1</sum_daily_nb_uniq_visitors>
diff --git a/tests/System/expected/test___CustomVariables.getCustomVariables_year.xml b/tests/System/expected/test___CustomVariables.getCustomVariables_year.xml
index 6e1efae..0237db0 100644
--- a/tests/System/expected/test___CustomVariables.getCustomVariables_year.xml
+++ b/tests/System/expected/test___CustomVariables.getCustomVariables_year.xml
@@ -5,7 +5,6 @@
 		<nb_visits>1</nb_visits>
 		<nb_actions>39</nb_actions>
 		<max_actions>39</max_actions>
-		<sum_visit_length>1</sum_visit_length>
 		<bounce_count>0</bounce_count>
 		<nb_visits_converted>0</nb_visits_converted>
 		<sum_daily_nb_uniq_visitors>1</sum_daily_nb_uniq_visitors>
@@ -23,7 +22,6 @@
 				<nb_visits>1</nb_visits>
 				<nb_actions>39</nb_actions>
 				<max_actions>39</max_actions>
-				<sum_visit_length>1</sum_visit_length>
 				<bounce_count>0</bounce_count>
 				<nb_visits_converted>0</nb_visits_converted>
 				<sum_daily_nb_uniq_visitors>1</sum_daily_nb_uniq_visitors>
@@ -36,7 +34,6 @@
 		<nb_visits>1</nb_visits>
 		<nb_actions>39</nb_actions>
 		<max_actions>39</max_actions>
-		<sum_visit_length>1</sum_visit_length>
 		<bounce_count>0</bounce_count>
 		<nb_visits_converted>0</nb_visits_converted>
 		<sum_daily_nb_uniq_visitors>1</sum_daily_nb_uniq_visitors>
@@ -54,7 +51,6 @@
 				<nb_visits>1</nb_visits>
 				<nb_actions>39</nb_actions>
 				<max_actions>39</max_actions>
-				<sum_visit_length>1</sum_visit_length>
 				<bounce_count>0</bounce_count>
 				<nb_visits_converted>0</nb_visits_converted>
 				<sum_daily_nb_uniq_visitors>1</sum_daily_nb_uniq_visitors>
@@ -67,7 +63,6 @@
 		<nb_visits>1</nb_visits>
 		<nb_actions>39</nb_actions>
 		<max_actions>39</max_actions>
-		<sum_visit_length>1</sum_visit_length>
 		<bounce_count>0</bounce_count>
 		<nb_visits_converted>0</nb_visits_converted>
 		<sum_daily_nb_uniq_visitors>1</sum_daily_nb_uniq_visitors>
@@ -85,7 +80,6 @@
 				<nb_visits>1</nb_visits>
 				<nb_actions>39</nb_actions>
 				<max_actions>39</max_actions>
-				<sum_visit_length>1</sum_visit_length>
 				<bounce_count>0</bounce_count>
 				<nb_visits_converted>0</nb_visits_converted>
 				<sum_daily_nb_uniq_visitors>1</sum_daily_nb_uniq_visitors>
@@ -98,7 +92,6 @@
 		<nb_visits>1</nb_visits>
 		<nb_actions>39</nb_actions>
 		<max_actions>39</max_actions>
-		<sum_visit_length>1</sum_visit_length>
 		<bounce_count>0</bounce_count>
 		<nb_visits_converted>0</nb_visits_converted>
 		<sum_daily_nb_uniq_visitors>1</sum_daily_nb_uniq_visitors>
@@ -116,7 +109,6 @@
 				<nb_visits>1</nb_visits>
 				<nb_actions>39</nb_actions>
 				<max_actions>39</max_actions>
-				<sum_visit_length>1</sum_visit_length>
 				<bounce_count>0</bounce_count>
 				<nb_visits_converted>0</nb_visits_converted>
 				<sum_daily_nb_uniq_visitors>1</sum_daily_nb_uniq_visitors>
@@ -129,7 +121,6 @@
 		<nb_visits>1</nb_visits>
 		<nb_actions>39</nb_actions>
 		<max_actions>39</max_actions>
-		<sum_visit_length>1</sum_visit_length>
 		<bounce_count>0</bounce_count>
 		<nb_visits_converted>0</nb_visits_converted>
 		<sum_daily_nb_uniq_visitors>1</sum_daily_nb_uniq_visitors>
@@ -147,7 +138,6 @@
 				<nb_visits>1</nb_visits>
 				<nb_actions>39</nb_actions>
 				<max_actions>39</max_actions>
-				<sum_visit_length>1</sum_visit_length>
 				<bounce_count>0</bounce_count>
 				<nb_visits_converted>0</nb_visits_converted>
 				<sum_daily_nb_uniq_visitors>1</sum_daily_nb_uniq_visitors>
diff --git a/tests/System/expected/test___Referrers.getReferrerType_year.xml b/tests/System/expected/test___Referrers.getReferrerType_year.xml
index e0f900d..b6ab052 100644
--- a/tests/System/expected/test___Referrers.getReferrerType_year.xml
+++ b/tests/System/expected/test___Referrers.getReferrerType_year.xml
@@ -5,7 +5,6 @@
 		<nb_visits>1</nb_visits>
 		<nb_actions>39</nb_actions>
 		<max_actions>39</max_actions>
-		<sum_visit_length>1</sum_visit_length>
 		<bounce_count>0</bounce_count>
 		<nb_visits_converted>0</nb_visits_converted>
 		<sum_daily_nb_uniq_visitors>1</sum_daily_nb_uniq_visitors>
diff --git a/tests/System/expected/test_old__API.get_year.xml b/tests/System/expected/test_old__API.get_year.xml
deleted file mode 100644
index 85d9294..0000000
--- a/tests/System/expected/test_old__API.get_year.xml
+++ /dev/null
@@ -1,80 +0,0 @@
-<?xml version="1.0" encoding="utf-8" ?>
-<result>
-	<nb_visits>1</nb_visits>
-	<nb_actions>39</nb_actions>
-	<max_actions>39</max_actions>
-	<bounce_count>0</bounce_count>
-	<sum_visit_length>1</sum_visit_length>
-	<nb_visits_new>1</nb_visits_new>
-	<nb_actions_new>39</nb_actions_new>
-	<max_actions_new>39</max_actions_new>
-	<bounce_rate_new>0%</bounce_rate_new>
-	<nb_actions_per_visit_new>39</nb_actions_per_visit_new>
-	<avg_time_on_site_new>1</avg_time_on_site_new>
-	<nb_visits_returning>0</nb_visits_returning>
-	<nb_actions_returning>0</nb_actions_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>
-	<Referrers_visitorsFromSearchEngines>0</Referrers_visitorsFromSearchEngines>
-	<Referrers_visitorsFromSocialNetworks>0</Referrers_visitorsFromSocialNetworks>
-	<Referrers_visitorsFromDirectEntry>1</Referrers_visitorsFromDirectEntry>
-	<Referrers_visitorsFromWebsites>0</Referrers_visitorsFromWebsites>
-	<Referrers_visitorsFromCampaigns>0</Referrers_visitorsFromCampaigns>
-	<Referrers_distinctSearchEngines>0</Referrers_distinctSearchEngines>
-	<Referrers_distinctSocialNetworks>0</Referrers_distinctSocialNetworks>
-	<Referrers_distinctKeywords>0</Referrers_distinctKeywords>
-	<Referrers_distinctWebsites>0</Referrers_distinctWebsites>
-	<Referrers_distinctWebsitesUrls>0</Referrers_distinctWebsitesUrls>
-	<Referrers_distinctCampaigns>0</Referrers_distinctCampaigns>
-	<Referrers_visitorsFromDirectEntry_percent>100%</Referrers_visitorsFromDirectEntry_percent>
-	<Referrers_visitorsFromSearchEngines_percent>0%</Referrers_visitorsFromSearchEngines_percent>
-	<Referrers_visitorsFromCampaigns_percent>0%</Referrers_visitorsFromCampaigns_percent>
-	<Referrers_visitorsFromSocialNetworks_percent>0%</Referrers_visitorsFromSocialNetworks_percent>
-	<Referrers_visitorsFromWebsites_percent>0%</Referrers_visitorsFromWebsites_percent>
-	<PagePerformance_network_time>0</PagePerformance_network_time>
-	<PagePerformance_network_hits>0</PagePerformance_network_hits>
-	<PagePerformance_servery_time>0</PagePerformance_servery_time>
-	<PagePerformance_server_hits>0</PagePerformance_server_hits>
-	<PagePerformance_transfer_time>0</PagePerformance_transfer_time>
-	<PagePerformance_transfer_hits>0</PagePerformance_transfer_hits>
-	<PagePerformance_domprocessing_time>0</PagePerformance_domprocessing_time>
-	<PagePerformance_domprocessing_hits>0</PagePerformance_domprocessing_hits>
-	<PagePerformance_domcompletion_time>0</PagePerformance_domcompletion_time>
-	<PagePerformance_domcompletion_hits>0</PagePerformance_domcompletion_hits>
-	<PagePerformance_onload_time>0</PagePerformance_onload_time>
-	<PagePerformance_onload_hits>0</PagePerformance_onload_hits>
-	<PagePerformance_pageload_time>0</PagePerformance_pageload_time>
-	<PagePerformance_pageload_hits>0</PagePerformance_pageload_hits>
-	<avg_time_network>0</avg_time_network>
-	<avg_time_server>0</avg_time_server>
-	<avg_time_transfer>0</avg_time_transfer>
-	<avg_time_dom_processing>0</avg_time_dom_processing>
-	<avg_time_dom_completion>0</avg_time_dom_completion>
-	<avg_time_on_load>0</avg_time_on_load>
-	<avg_page_load_time>0</avg_page_load_time>
-	<nb_conversions>0</nb_conversions>
-	<nb_visits_converted>0</nb_visits_converted>
-	<revenue>0</revenue>
-	<conversion_rate>0%</conversion_rate>
-	<nb_conversions_new_visit>0</nb_conversions_new_visit>
-	<nb_visits_converted_new_visit>0</nb_visits_converted_new_visit>
-	<revenue_new_visit>0</revenue_new_visit>
-	<conversion_rate_new_visit>0%</conversion_rate_new_visit>
-	<nb_conversions_returning_visit>0</nb_conversions_returning_visit>
-	<nb_visits_converted_returning_visit>0</nb_visits_converted_returning_visit>
-	<revenue_returning_visit>0</revenue_returning_visit>
-	<conversion_rate_returning_visit>0%</conversion_rate_returning_visit>
-	<nb_pageviews>1</nb_pageviews>
-	<nb_uniq_pageviews>1</nb_uniq_pageviews>
-	<nb_downloads>0</nb_downloads>
-	<nb_uniq_downloads>0</nb_uniq_downloads>
-	<nb_outlinks>0</nb_outlinks>
-	<nb_uniq_outlinks>0</nb_uniq_outlinks>
-	<nb_searches>0</nb_searches>
-	<nb_keywords>0</nb_keywords>
-	<bounce_rate>0%</bounce_rate>
-	<nb_actions_per_visit>39</nb_actions_per_visit>
-	<avg_time_on_site>1</avg_time_on_site>
-</result>
\ No newline at end of file