M2 - Uninstall language pack

Question

I installed a language pack using composer.

$ composer require mageplaza/magento-2-german-language-pack:dev-master
$ php bin/magento cache:flush

Now when I try to uninstall again, using this command:

php bin/magento i18n:uninstall mageplaza_de_de

I get the following message:

Package mageplaza_de_de is not a Magento language and will be skipped.
Nothing is removed.

This is what's in the registration.php

\Magento\Framework\Component\ComponentRegistrar::register(
    \Magento\Framework\Component\ComponentRegistrar::LANGUAGE,
    'mageplaza_de_de',
    __DIR__
);

How can I uninstall this package?

Answer 1

I managed to solve this myself.

php bin/magento i18n:uninstall was already the right command for removing a language pack. But the name of the language pack is what's written in the composer.json and was added to the project with composer require. Using the <vendor>_<module> syntax like for uninstalling modules doesn't work here.

So the full command that worked for me was:

php bin/magento i18n:uninstall mageplaza/magento-2-german-language-pack

(Without the :dev-master)

Answer 2

You can uninstall a module through composer if it was installed using composer. If yes then issue command:

php bin/magento module:uninstall -r mageplaza_de_de

-r flag removes module data. then issue:

php bin/magento setup:upgrade

If module was not installed through composer:

• remove the module directory app/code/<Vendor>/<Module>
• drop module database tables (if it created any)
• remove entry from core_config_data and setup_module tables

Run command

php bin/magento setup:upgrade