# Delete unused manifests and images task - Is it safe to run in 3.20.1 version **URL:** \ **Category:** Sonatype Nexus Repository\ **Tags:** help\ **Created:** [February 2, 2023, 9:12am UTC](https://community.sonatype.com/t/delete-unused-manifests-and-images-task-is-it-safe-to-run-in-3-20-1-version/10047 "2023-02-02T09:12:49Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![ganeshvasanth](https://avatars.discourse-cdn.com/v4/letter/g/439d5e/32.png) [@ganeshvasanth](https://community.sonatype.com/u/ganeshvasanth)\ **Post date:** [February 2, 2023, 9:12am UTC](https://community.sonatype.com/t/delete-unused-manifests-and-images-task-is-it-safe-to-run-in-3-20-1-version/10047/1 "2023-02-02T09:12:49Z")
We have deleted most of the project related tags and ran the compact blob task as well. It released only small amount of memory, But still the blob storage occupied with huge storage. 1.9T. Is it safe to run Delete unused manifests and images task from UI and then compact task in 3.20.1 version. We saw in some threads that , we have some issues with this task . [Warning: Critical bug in Docker - Delete unused manifests and images scheduled task](http://community.sonatype.com/t/warning-critical-bug-in-docker-delete-unused-manifests-and-images-scheduled-task/6871) Team - could you please suggest. ---
**Author:** ![mprescott](https://yyz1.discourse-cdn.com/flex047/user_avatar/community.sonatype.com/mprescott/32/178_2.png) [@mprescott](https://community.sonatype.com/u/mprescott)\ **Post date:** [February 2, 2023, 10:03pm UTC](https://community.sonatype.com/t/delete-unused-manifests-and-images-task-is-it-safe-to-run-in-3-20-1-version/10047/2 "2023-02-02T22:03:01Z")
That specific bug was new as of 3.30, so 3.20.1 is not vulnerable to that _specific_ problem. However, 3.20.1 is old. We’ve made thousands of improvements since then, including a number of fairly serious security fixes. If you’re able to, I’d recommend a much feistier upgrade schedule.