diff --git a/check_process b/check_process
index 2bffd5c..b287317 100644
--- a/check_process
+++ b/check_process
@@ -22,7 +22,7 @@
 		upgrade=1
 		#upgrade=1	from_commit=CommitHash
 		backup_restore=1
-		multi_instance=1
+		multi_instance=0
 		port_already_use=0
 		change_url=1
 ;;; Options
diff --git a/scripts/upgrade b/scripts/upgrade
index fdc852a..75a1ccd 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -88,16 +88,6 @@ if ynh_legacy_permissions_exists; then
 	ynh_app_setting_delete --app=$app --key=is_public
 fi
 
-if ! ynh_permission_exists --permission="admin"; then
-	# Create the required permissions
-	ynh_permission_create --permission="admin" --url="/admin" --allowed=$admin
-fi
-
-# Create a permission if needed
-if ! ynh_permission_exists --permission="api"; then
-	ynh_permission_create --permission="api" --url="/api" --allowed="visitors" --show_tile="false" --protected="true"
-fi
-
 #=================================================
 # CREATE DEDICATED USER
 #=================================================