Limpando Akismet e Spam

DELETE FROM aps_commentmeta WHERE comment_id NOT IN ( SELECT comment_id FROM aps_comments );
DELETE FROM aps_commentmeta WHERE meta_key LIKE '%akismet%';
OPTIMIZE TABLE aps_commentmeta;
OPTIMIZE TABLE aps_comments;

remove todos os comentários que estão no SPAM

DELETE from wp_comments WHERE comment_approved = 'spam';

remove todos os comentários que estão em pendências

DELETE FROM wp_comments WHERE comment_approved = 0;