Disable Gutenberg blocks in WordPress

In order to provide a better user experience in WordPress Gutenberg editor, you can disable unnecessary or unused block types. Using the allowed_block_types filter you can return an array of allowed blocks. You may also specify allowed blocks by the current post using the $post variable provided in the callback function.

add_filter('allowed_block_types', function ($allow_block_type, $post) {
    return [
}, 10, 2);

If you want to list all registered block types, visit the WordPress dashboard, open up the developer tools in your browser and run the JavaScript snippet below.


This will list all available blocks in your WordPress application. If you find a better way to list all block types, please let me know on Twitter!