Deselect "Uncategorized" (or your chosen "default category") when others are selected; re-select it when no others are.
As of April 2026, Auto-Deselect Uncategorized is a WordPress category plugin with 40 active installations and a 5/5 rating from 1 reviews. It has been downloaded 1.7K+ times in total. Requires WordPress 5.0+ and PHP 5.6+. Available on WordPress.org since 2020. Last updated 5 years ago — may have compatibility concerns. Top alternative: Pages with category and tag.
Automatically and visibly deselect the “Uncategorized” category (or your custom default post category) when another category is selected, and select it when no other categories are selected. Supports the WordPress 5.0+ Block Editor (Gutenberg).
To prevent the Uncategorized category from being attached to posts that are categorized, of course.
“When you author a post in WordPress, it will automatically assign the post to your default category. This is determined by navigating to Settings > Writing and looking for Default Post Category. You can set the default category to a different one of your choosing, and you can even rename ‘Uncategorized’ to something that makes more sense for your site.
The challenge with the WordPress default category is tha…
| WordPress | 5.0+ requiredTested up to 5.5.18 |
| PHP | 5.6+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.