No More Revisions
Put this in your wp-config.php
/** No more revisions. */
define('WP_POST_REVISIONS', false);
Delete Revisions
In SQL
DELETE FROM wp_posts WHERE post_type = 'revision'
Put this in your wp-config.php
/** No more revisions. */
define('WP_POST_REVISIONS', false);
In SQL
DELETE FROM wp_posts WHERE post_type = 'revision'