Hi Matthias, > error: cannot delete path > ‘/nix/store/pqj35vwax89ljdhcca02a330ii4zzhiw-haskell-clientsession-0.9.1.1.drv’ > since it is still alive
https://github.com/NixOS/nixpkgs/issues/7792#issuecomment-100882553 discusses this problem. You have packages in one of your profiles that depend on haskell-clientsession, so it can't be removed. I hope this helps, Peter _______________________________________________ nix-dev mailing list nix-dev@lists.science.uu.nl http://lists.science.uu.nl/mailman/listinfo/nix-dev
