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Remove WordPress default image sizes to save disk space
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| <?php | |
| function remove_default_image_sizes( $sizes) { | |
| // sizes defined in media settings | |
| unset( $sizes['thumbnail']); | |
| unset( $sizes['medium']); | |
| unset( $sizes['large']); | |
| // auto-generated images since WP 5.3 | |
| unset( $sizes['medium_large']); | |
| unset( $sizes['1536x1536']); | |
| unset( $sizes['2048x2048']); | |
| return $sizes; | |
| } | |
| add_filter('intermediate_image_sizes_advanced', 'remove_default_image_sizes'); | |
| ?> |
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Comment out the sizes you want to keep.
ALWAYS keep thumbnail and medium image sizes: WP uses them for thumbnails in the media library and will fall back to full size image if medium images don't exist.