Remove WP custom metabox from pages or posts

Use this snippet in your Worpdress theme’s functions.php file to remove a metabox from one or more custom post types or the default wordpress pages and posts. This is particularly useful for plugins that output a metabox on all post types.

Modify custom-post-type to display the name of your custom post and metabox-name to display the name of your metabox.

 

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To remove a single metabox from multiple posts (an array of posts):

 

Reference: adapted from http://wordpress.stackexchange.com/a/91184/2015