diff --git a/scripts/change_url b/scripts/change_url
index e912667..6e8d89a 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -8,8 +8,6 @@
 
 source /usr/share/yunohost/helpers
 
-ynh_abort_if_errors
-
 #=================================================
 # RETRIEVE ARGUMENTS
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 1a882b3..b3fcb6e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -43,6 +43,13 @@ if [ -z "$language" ]; then
   ynh_app_setting_set --app=$app --key=language --value=$language
 fi
 
+# Cleaning legacy permissions
+if ynh_legacy_permissions_exists; then
+	ynh_legacy_permissions_delete_all
+
+	ynh_app_setting_delete --app=$app --key=is_public
+fi
+
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================