you may know that a store configuration value can be set from terminal using this command

php bin/magento config:set web/secure/base_url

But today I came accross a situation where I had to reset the value for a configuration or if I say in database terms to set the value of configuration to null in core_config_data table.

Does anybody know how is that possible from terminal?

2 Answers 2


I was able to do so by passing an empty string:

php bin/magento config:set recaptcha_frontend/type_for/customer_login ""

It sets it to NULL in the database.

It doesn't work for the path web/secure/base_url, though; you'll get a validation error.


You can't save NULL url related configuration from terminal

php bin/magento config:set web/secure/base_url NULL

If you will run above command then it will give you below error :

Invalid Secure Base URL. Value must be a URL or one of placeholders: {{base_url}},{{unsecure_base_url}}

This error occured because :

File : vendor/magento/module-config/Model/Config/Backend/Baseurl.php

private function _isFullyQualifiedUrl($value)
    return preg_match('/\/$/', $value) && $this->getUrlValidator()->isValid($value, ['http', 'https']);

Above function check your url should be start with http or https and end with /

If you want to set NULL base url then you must be set null value directly from database

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