diff --git a/importexport/inc/class.importexport_definitions_ui.inc.php b/importexport/inc/class.importexport_definitions_ui.inc.php
index 074a0a5b2a..fb8b716ffe 100644
--- a/importexport/inc/class.importexport_definitions_ui.inc.php
+++ b/importexport/inc/class.importexport_definitions_ui.inc.php
@@ -709,7 +709,6 @@ class importexport_definitions_ui
 					}
 					return $this->get_step($content['step'],1);
 				case 'previous' :
-					unset ($content['plugin']);
 					$readonlys['button[previous]'] = true;
 					return $this->get_step($content['step'],-1);
 				case 'finish':