diff --git a/scripts/upgrade b/scripts/upgrade
index d06d374..e06856d 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -14,25 +14,11 @@ port=$(ynh_app_setting_get "$app" port)
 arch=$(ynh_app_setting_get "$app" arch)
 admin=$(ynh_app_setting_get "$app" admin)
 
-#=================================================
 # CREATE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Configuring system user..." --weight=1
+ynh_script_progression --message="Making sure dedicated system user exists..."
 
-ynh_system_user_create $app
-
-mv /root/.config/duniter $USER/.config/duniter
-
-# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
-ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=100
-
-ynh_backup_before_upgrade
-
-ynh_clean_setup () {
-  ynh_restore_upgradebackup
-}
-
-ynh_abort_if_errors
+# Create a dedicated user (if not existing)
+ynh_system_user_create --username=$app
 
 REMOVE_DUNITER
 INSTALL_DUNITER_DEBIAN_PACKAGE