How to declutter admin columns
Admin columns can be shown/hidden by using the Screen Options menu. Here, the custom column Headline news is being hidden using the UI: Alternatively, Admin Columns can be unset (and therefore hidden) programmatically: add_filter( ‘manage_post_posts_columns’, ‘wpse_hide_columns’, PHP_INT_MAX, 1 ); function wpse_hide_columns( $columns ) { // Check for the name of the column, and unset it … Read more