diff --git a/htdocs/eventorganization/class/conferenceorboothattendee.class.php b/htdocs/eventorganization/class/conferenceorboothattendee.class.php
index bf3470b7445..df955a617ba 100644
--- a/htdocs/eventorganization/class/conferenceorboothattendee.class.php
+++ b/htdocs/eventorganization/class/conferenceorboothattendee.class.php
@@ -982,28 +982,6 @@ class ConferenceOrBoothAttendee extends CommonObject
 		$this->initAsSpecimenCommon();
 	}
 
-	/**
-	 * 	Create an array of lines
-	 *
-	 * 	@return array|int		array of lines if OK, <0 if KO
-	 */
-	public function getLinesArray()
-	{
-		$this->lines = array();
-
-		$objectline = new ConferenceOrBoothAttendeeLine($this->db);
-		$result = $objectline->fetchAll('ASC', 'position', 0, 0, array('customsql'=>'fk_conferenceorboothattendee = '.((int) $this->id)));
-
-		if (is_numeric($result)) {
-			$this->error = $this->error;
-			$this->errors = $this->errors;
-			return $result;
-		} else {
-			$this->lines = $result;
-			return $this->lines;
-		}
-	}
-
 	/**
 	 *  Returns the reference to the following non used object depending on the active numbering module.
 	 *
diff --git a/htdocs/eventorganization/conferenceorboothattendee_card.php b/htdocs/eventorganization/conferenceorboothattendee_card.php
index 994ff9a7ee7..7976ff988a3 100644
--- a/htdocs/eventorganization/conferenceorboothattendee_card.php
+++ b/htdocs/eventorganization/conferenceorboothattendee_card.php
@@ -590,58 +590,6 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 
 	print dol_get_fiche_end();
 
-
-	/*
-	 * Lines
-	 */
-
-	if (!empty($object->table_element_line)) {
-		// Show object lines
-		$result = $object->getLinesArray();
-
-		print '	<form name="addproduct" id="addproduct" action="'.$_SERVER["PHP_SELF"].'?id='.$object->id.(($action != 'editline') ? '' : '#line_'.GETPOST('lineid', 'int')).'" method="POST">
-		<input type="hidden" name="token" value="' . newToken().'">
-		<input type="hidden" name="action" value="' . (($action != 'editline') ? 'addline' : 'updateline').'">
-		<input type="hidden" name="mode" value="">
-		<input type="hidden" name="page_y" value="">
-		<input type="hidden" name="id" value="' . $object->id.'">
-		';
-
-		if (!empty($conf->use_javascript_ajax) && $object->status == 0) {
-			include DOL_DOCUMENT_ROOT.'/core/tpl/ajaxrow.tpl.php';
-		}
-
-		print '<div class="div-table-responsive-no-min">';
-		if (!empty($object->lines) || ($object->status == $object::STATUS_DRAFT && $permissiontoadd && $action != 'selectlines' && $action != 'editline')) {
-			print '<table id="tablelines" class="noborder noshadow" width="100%">';
-		}
-
-		if (!empty($object->lines)) {
-			$object->printObjectLines($action, $mysoc, null, GETPOST('lineid', 'int'), 1);
-		}
-
-		// Form to add new line
-		if ($object->status == 0 && $permissiontoadd && $action != 'selectlines') {
-			if ($action != 'editline') {
-				// Add products/services form
-
-				$parameters = array();
-				$reshook = $hookmanager->executeHooks('formAddObjectLine', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
-				if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'errors');
-				if (empty($reshook))
-					$object->formAddObjectLine(1, $mysoc, $soc);
-			}
-		}
-
-		if (!empty($object->lines) || ($object->status == $object::STATUS_DRAFT && $permissiontoadd && $action != 'selectlines' && $action != 'editline')) {
-			print '</table>';
-		}
-		print '</div>';
-
-		print "</form>\n";
-	}
-
-
 	// Buttons for actions
 
 	if ($action != 'presend' && $action != 'editline') {