The below should make the page post type no longer search-able.
function remove_pages_from_search() {
global $wp_post_types;
$wp_post_types['page']->exclude_from_search = true;
}
add_action('init', 'remove_pages_from_search');
The below should make the page post type no longer search-able.
function remove_pages_from_search() {
global $wp_post_types;
$wp_post_types['page']->exclude_from_search = true;
}
add_action('init', 'remove_pages_from_search');