You need to enable sparse VHD! However it doesn't alwyas trigger. I have moderate success with enabling TRIM systemd service on the distro. Here is the trackin

You need to enable sparse VHD! However it doesn't alwyas trigger. I have moderate success with enabling TRIM systemd service on the distro. Here is the tracking issue: https://github.com/microsoft/WSL/issues/12103 https://github.com/microsoft/WSL/issues/12103 And if nothing works you can still manually optimize. https://superuser.com/questions/1827953/reclaim-wsl2-disk-space-after-setting-it-to-sparse#1834374 https://superuser.com/questions/1827953/reclaim-wsl2-disk-sp...