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  4. DisableMU
DisableMU icon

DisableMU

Redefines the location of the /mu-plugins directory to ensure that no code published to the default location will automatically run on your website.

By Dave McHale·Admin·Free
5(1 reviews)
·10 active installs·Updated 10 years ago
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As of April 2026, DisableMU is a WordPress admin plugin with 10 active installations and a 5/5 rating from 1 reviews. It has been downloaded 2.2K+ times in total. Requires WordPress 3.0.1+ and PHP false+. Available on WordPress.org since 2014. Last updated 10 years ago — may have compatibility concerns. Top alternative: Loginizer.

5/51 reviews
10active installs
2.2K+total downloads
12 yearssince 2014

Overview

Redefines the location of the /mu-plugins directory, via writing constants to your wp-config.php file, to ensure that no code published to the default location will automatically run on your website.

Since many site administrators are not using /mu-plugins, we want to be sure that no mu-plugins “suddenly” appear on our website due to their nature: auto-activation is BAD when you didn’t intend for code to be there!

DisableMU is not for every website. Many development houses, system admins, and hosting companies have very legitimate uses for /mu-plugins and have built business plans around utilizing this feature of WordPress. By installing and activating DisableMU on your website, you may break things. Please exercise caution and only utilize this plugin if you know what y…

Read full description on WordPress.org

Ratings & Reviews

51 reviews
5 ★
1
4 ★
0
3 ★
0
2 ★
0
1 ★
0

Compatibility

WordPress3.0.1+ requiredTested up to 4.4.34
PHPfalse+ required

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Frequently Asked Questions

Changelog

1.1

  • Moved where definitions live inside wp-config.php, to ensure it is always ABOVE the wp-settings.php include
  • Updated CONST definitions to be proper directory/url paths instead of partials
  • Updated CONST definitions to remove the “if isDefined()” checks. We want to ensure that WE always take precedence.
View full changelog on WordPress.org

Contributors

Dave McHaleDave McHale
Plugin Info
Version
1.1
Last Updated
Feb 9, 2016
WP Requires
3.0.1+
Tested Up To
4.4.34
PHP Requires
false+
Active Installs
10
Downloads
2.2K+
Added
Aug 26, 2014
Business
Free

Tags

adminsecuritymu-plugins

Developer

D
Dave McHale
5 plugins0.1M+ total installs
View all plugins →

Quick Compare

DisableMU vs Loginizer→DisableMU vs Redux Framework→DisableMU vs LightStart – Maintenance Mode, Coming…→

Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.