Modify WP Database Schema?

When using WP+Pods as a headless CMS, if the custom post types are all just using metaboxes to store values, and fields like post_content are empty, is it possible for me to “strip out” all the unused fields from the WP install and corresponding database? Are there any plugins that can modify the database schema and remove the fields I don’t need? This particular install doesn’t use post_content (its all in Pods storage), and doesn’t use featured image. I know that support for a field can be disabled from the pods settings, but is this the same as removing it altogether?

 

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