I recently added a new custom field to the write post page. After testing what I wanted to do, I determined I would not need that custom field. There are no records attached to this field and I would like to delete it so it doesn't show up in the dropdown list. However, unlike posts, categories, tags and media I couldn't find a way to manage this list so I could delete that key. Would seem there would be a way to delete the key through the back end of WP but I would prefer to delete the key the easiest way without messing something up.
Deleting a Custom Field Key from Dropdown List (2 posts)
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btlewand
Posted 1 year ago # -
I wrote a new post, added a new custom field, deleted the post, and now the custom field is not there in the dropdown.
Consider using phpMyAdmin and look at wp_postmeta for that meta_key equal to your custom field key. If you see the post_id is for a non-existent post in wp_posts, you could delete it there if necessary, without harming things. To be safe, backup your database before attempting.
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