diff --git a/scripts/upgrade b/scripts/upgrade
index 92642dd..2146ddb 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -54,14 +54,14 @@ fi
 #=================================================
 ynh_print_info "Backing up the app before upgrading (may take a while)..."
 
-## Backup the current version of the app
-#ynh_backup_before_upgrade
-#ynh_clean_setup () {
-#	# restore it if the upgrade fails
-#	ynh_restore_upgradebackup
-#}
-## Exit if an error occurs during the execution of the script
-#ynh_abort_if_errors
+# Backup the current version of the app
+ynh_backup_before_upgrade
+ynh_clean_setup () {
+	# restore it if the upgrade fails
+	ynh_restore_upgradebackup
+}
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
 
 #=================================================
 # CHECK THE PATH
@@ -107,14 +107,7 @@ ynh_add_fpm_config
 #=================================================
 # SPECIFIC UPGRADE
 #=================================================
-# ...
-#=================================================
-
 ynh_print_info "Running specific upgrade..."
-# Verify the checksum and backup the file if it's different
-#ynh_backup_if_checksum_is_different "$final_path/CONFIG_FILE"
-# Recalculate and store the config file checksum into the app settings
-#ynh_store_file_checksum "$final_path/CONFIG_FILE"
 
 # Needed so no manual operation has to be done by user while upgrading
 # If missing, Cheky is stuck in an "upgrade" state and the config file