# Kopia and Backblaze B2 - Deleting older snapshots doesn't seem to free up space? **URL:** \ **Category:** General Topics\ **Created:** [February 14, 2023, 9:08pm UTC](https://kopia.discourse.group/t/kopia-and-backblaze-b2-deleting-older-snapshots-doesnt-seem-to-free-up-space/1803 "2023-02-14T21:08:50Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![flavorofthemonth](https://avatars.discourse-cdn.com/v4/letter/f/a9a28c/32.png) [@flavorofthemonth](https://kopia.discourse.group/u/flavorofthemonth)\ **Post date:** [February 14, 2023, 9:08pm UTC](https://kopia.discourse.group/t/kopia-and-backblaze-b2-deleting-older-snapshots-doesnt-seem-to-free-up-space/1803/1 "2023-02-14T21:08:50Z")
Can someone tell me if this is normal behavior? I backup a server. And, every time I delete the older snapshots, it doesn’t free up any space. But, of course, all the new snapshots take up extra space. ---
**Author:** ![ted](https://avatars.discourse-cdn.com/v4/letter/t/db5fbb/32.png) [@ted](https://kopia.discourse.group/u/ted)\ **Post date:** [February 16, 2023, 11:12pm UTC](https://kopia.discourse.group/t/kopia-and-backblaze-b2-deleting-older-snapshots-doesnt-seem-to-free-up-space/1803/2 "2023-02-16T23:12:19Z")
NON-AUTHORITIVE ANSWER (not an advanced or expert user): I deleted all but my last snapshot recently for a repository. No change in repo size. After running maintainence for about another week the size reduced to roughly the size of the backed up files, which is what I at least expected. A drop of about 15% (1+ TB). So I guess some chuncks remain until they are considered unused by the maintenance routines before deletion. In my case for a filesystem these were: ```auto $ kopia maintenance run $ kopia maintenance run --full ``` If you are backing up new files with different file structures then it would my assumption they would require extra space in your repository.