delete sidefeed in single post

/* delete sidefeed in single post */

add_action(
    'wp',
    function () {
        if ( is_single() && 'post' == get_post_type() ) {
            add_filter( 'jnews_enable_sidefeed', '__return_false', 99 );
            add_filter( 'body_class', 'delete_sidefeed', 99 );
        }
    }
);

function delete_sidefeed( $classes ) {
    $remove_class = array( 'jeg_sidecontent', 'jeg_sidecontent_center' );
    $new_classes  = array_diff( $classes, $remove_class );
    $classes      = $new_classes;
    return $new_classes;
}