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<?php

// Remove Post Info and Post Meta from a custom post type
function themeprefix_remove_post_info() {
    if ( 'custom_post_type_name' == get_post_type() ) {// swap in cpt name
        remove_action( 'genesis_entry_header', 'genesis_post_info', 12 );
        remove_action( 'genesis_entry_footer', 'genesis_post_meta' );
        }
}
add_action ( 'get_header', 'themeprefix_remove_post_info' );