diff --git a/main/newscorm/learnpathItem.class.php b/main/newscorm/learnpathItem.class.php
index e58856814d..2d07bb910e 100644
--- a/main/newscorm/learnpathItem.class.php
+++ b/main/newscorm/learnpathItem.class.php
@@ -2246,14 +2246,14 @@ function get_terms()
 	     				$total_time = ' ';	     				 
 	     				if (!empty($_REQUEST['exeId'])) {
 						$TBL_TRACK_EXERCICES	= Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
-						require_once ('../reservation/rsys.php');
+						
 						$safe_exe_id = Database::escape_string($_REQUEST['exeId']);
 	     				$sql = 'SELECT start_date,exe_date FROM ' . $TBL_TRACK_EXERCICES . ' WHERE exe_id = '.(int)$safe_exe_id;
 						$res = api_sql_query($sql,__FILE__,__LINE__);
 						$row_dates = Database::fetch_array($res);		
-						$rsys = new Rsys();
-						$time_start_date = $rsys->mysql_datetime_to_timestamp($row_dates['start_date']);
-						$time_exe_date = $rsys->mysql_datetime_to_timestamp($row_dates['exe_date']);
+
+						$time_start_date = convert_mysql_date($row_dates['start_date']);
+						$time_exe_date 	 = convert_mysql_date($row_dates['exe_date']);
 						$mytime = ((int)$time_exe_date-(int)$time_start_date);
 						$total_time =" total_time = ".$mytime.", ";
 	     				}
diff --git a/main/newscorm/lp_stats.php b/main/newscorm/lp_stats.php
index 6e41dc63ca..693b8b978f 100644
--- a/main/newscorm/lp_stats.php
+++ b/main/newscorm/lp_stats.php
@@ -33,7 +33,6 @@ require_once('learnpath.class.php');
 require_once ('resourcelinker.inc.php');
 require_once ('../inc/lib/tracking.lib.php');
 require_once ('../inc/lib/course.lib.php');
-require_once ('../reservation/rsys.php');
 
 
 if(empty($_SESSION['_course']['id']) && isset($_GET['course']))
@@ -362,9 +361,9 @@ foreach ($list as $my_item_id) {
 					$my_exe_id	= $row_attempts['exe_id'];
 					$my_orig_lp = $row_attempts['orig_lp_id'];
 					$my_orig_lp_item = $row_attempts['orig_lp_item_id'];
-					$rsys = new Rsys();
-					$mktime_start_date = $rsys->mysql_datetime_to_timestamp($row_attempts['start_date']);
-					$mktime_exe_date = $rsys->mysql_datetime_to_timestamp($row_attempts['exe_date']);
+										
+					$mktime_start_date = convert_mysql_date($row_attempts['start_date']);
+					$mktime_exe_date = convert_mysql_date($row_attempts['exe_date']);
 					$mytime = ((int)$mktime_exe_date-(int)$mktime_start_date);					 
 					$time_attemp = learnpathItem :: get_scorm_time('js', $mytime);
 					$time_attemp = str_replace('NaN', '00' . $h . '00\'00"', $time_attemp);