How to remove the "Add media" button in Wordpress?

Question

WordPress

Subject. I understand that it is possible to disable it through CSS, but I would like it not to be displayed at all.
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Answer 1

function z_remove_media_controls() {
     remove_action( 'media_buttons', 'media_buttons' );
}
 add_action('admin_head','z_remove_media_controls');