Deprecated functions on PHP7

Thanks for such great plugin. Hope it will be updated to php7.
If enable wordpress debuging trere are lot of deprecated functions. For example:

[23-Feb-2018 10:46:17 UTC] PHP Deprecated:  Non-static method Falbar_BBF_Option_Security::script_loader_src_remove_versions_scripts() should not be called statically in /var/www/ktovdeleru/data/www/ktovdele.ru/wp-includes/class-wp-hook.php on line 286
[23-Feb-2018 10:46:20 UTC] PHP Deprecated:  Non-static method Falbar_BBF_Option_Code::widgets_init_remove_recentcomments() should not be called statically in /var/www/ktovdeleru/data/www/ktovdele.ru/wp-includes/class-wp-hook.php on line 286
[23-Feb-2018 10:46:20 UTC] PHP Deprecated:  Non-static method Falbar_BBF_Option_Doubles::widgets_init_remove_archives_date() should not be called statically in /var/www/ktovdeleru/data/www/ktovdele.ru/wp-includes/class-wp-hook.php on line 286
[23-Feb-2018 10:46:20 UTC] PHP Deprecated:  Non-static method Falbar_BBF_Option_Widgets::widgets_init_remove_widget_calendar() should not be called statically in /var/www/ktovdeleru/data/www/ktovdele.ru/wp-includes/class-wp-hook.php on line 286
[23-Feb-2018 10:46:20 UTC] PHP Deprecated:  Non-static method Falbar_BBF_Option_Widgets::widgets_init_remove_widget_archives() should not be called statically in /var/www/ktovdeleru/data/www/ktovdele.ru/wp-includes/class-wp-hook.php on line 286
[23-Feb-2018 10:46:20 UTC] PHP Deprecated:  Non-static method Falbar_BBF_Option_Widgets::widgets_init_remove_widget_comments() should not be called statically in /var/www/ktovdeleru/data/www/ktovdele.ru/wp-includes/class-wp-hook.php on line 286