How to remove thumbnail sizes for specific post type on a child theme?

2 comments

1. I think it might be possible, try adding this to your child theme’s functions.php

    add_action('init', 'remove_plugin_image_sizes');
   
   function remove_plugin_image_sizes() {
       remove_image_size('image-name');
   }
   

   Here is the documentation: https://codex.wordpress.org/Function_Reference/remove_image_size

2. I don’t think this is possible. I’ve been searching for something like this as well and haven’t come up with a solution. Here is a post I found that may get you headed in the right direction: http://wordpress.org/support/topic/how-to-set-different-thumbnail-sizes-per-custom-post-type

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