diff --git a/scripts/upgrade b/scripts/upgrade
index 763fc21..f4785cf 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -50,18 +50,6 @@ ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action="stop" --log_path="systemd"
 
-#=================================================
-# ENSURE DOWNWARD COMPATIBILITY
-#=================================================
-ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
-
-# Cleaning legacy permissions
-if ynh_legacy_permissions_exists; then
-	ynh_legacy_permissions_delete_all
-
-	ynh_app_setting_delete --app=$app --key=is_public
-fi
-
 #=================================================
 # CREATE DEDICATED USER
 #=================================================