Highend and PHP 7.0 warnings

I am testing Highend 3.2.0.1 with PHP 7.0. The theme works just fine, even faster than PHP 5.x, but error logs show multiple warnings. This typically indicates presence of legacy/outdated code (PHP 4.x era)

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP;
deprecated constructor list:
sidebar_generator /admin/plugins/multiple-sidebars.php on line 29
hb_most_commented_posts_widget /includes/widgets/widget-most-commented-posts.php on line 26
hb_latest_posts_widget /includes/widgets/widget-latest-posts.php on line 26
hb_latest_posts_simple_widget /includes/widgets/widget-latest-posts-simple.php on line 26
hb_most_liked_posts_widget /includes/widgets/widget-most-liked-posts.php on line 26
hb_recent_comments_widget /includes/widgets/widget-recent-comments.php on line 26
hb_testimonials_widget /includes/widgets/widget-testimonials.php on line 26
hb_video_widget /includes/widgets/widget-video.php on line 26
hb_instagram_widget /includes/widgets/widget-instagram.php on line 26
hb_pinterest_widget /includes/widgets/widget-pinterest.php on line 26
hb_flickr_widget /includes/widgets/widget-flickr.php on line 26
hb_dribbble_widget /includes/widgets/widget-dribbble.php on line 26
hb_google_widget /includes/widgets/widget-google.php on line 26
hb_facebook_widget /includes/widgets/widget-facebook.php on line 26
hb_contact_info_widget /includes/widgets/widget-contact-info.php on line 26
hb_socnet_widget /includes/widgets/widget-social-icons.php on line 26
hb_gmap_widget /includes/widgets/widget-gmap.php on line 23
hb_twitter_widget /includes/widgets/widget-twitter.php on line 23
hb_portfolio_widget /includes/widgets/widget-portfolio.php on line 26
hb_gallery_widget /includes/widgets/widget-gallery.php on line 26
hb_portfolio_widget_rand /includes/widgets/widget-portfolio-random.php on line 26
hb_liked_portfolio_widget /includes/widgets/widget-most-liked-portfolio.php on line 26
hb_ad_twofifty_widget /includes/widgets/widget-ads-300×250.php on line 26
WPAlchemy_MetaBox /options-framework/includes/wpalchemy/MetaBox.php on line 61

What’s the proper course of action here?