How to uninstall WordPress Multi-Site
by Jason Grim • March 22, 2011 • Multi-Site Enabler, Plugin Updates, Website Tips, Wordpress • 4 Comments
Here are the instructions for uninstalling multi-site on WordPress 3.0+:
- Remove the constants from the wp-config.php file. (Should look similar to this if you used my plugin)
- /* This site was made multi-site enabled by @link http://jgwebdevelopment.com */
- define (‘MULTISITE’, ’1′);
- define (‘SUBDOMAIN_INSTALL’, false);
- define (‘DOMAIN_CURRENT_SITE’, ‘localhost’);
- define (‘PATH_CURRENT_SITE’, ‘/wp-multi/’);
- define (‘SITE_ID_CURRENT_SITE’, 1);
- define (‘BLOG_ID_CURRENT_SITE’, 1);
- $base = ‘/wp-multi/’;
- Delete the htaccess and let WP create a fresh single-site one.
- You can have it create a new one by simply going to your permalink settings page and click save again.
- Remove the extra tables from the database. (The “wp_” will be replaced with whichever prefix you made during installation”)
- wp_blogs
- wp_blog_versions
- wp_registration_log
- wp_signups
- wp_site
- wp_sitemeta
- Remove the two extra fields added to the users table.
- spam
- deleted

The WordPress web developer who designed my website skipped town. He was the superadmin on my WordPress website. I want to download plugins for my website, but my administrative capabilities has been restricted. How can I uninstall the Multi-site when I don’t have access to my permalink settings page?
Hi, I have followed your instructions but it seems not working as expected, my site does not show up now, instead it shows this error message:
“No site defined on this host. If you are the owner of this site, please check Debugging a WordPress Network for help.”
Can you tell me which part is wrong and how to fix it?
My site is jualbluray.com (please check it, I really need help)
very helpful tips ……… i have installed mu but i was uncomfortable with installation in WP 3.4. so i have to deleted MU and reinstalled. thank you for your good lines ………….
Hey, Thanks. I did everything you said and … … come back to work!!
Nice post.