diff --git a/nixos/hosts/nixos-vm-02/disks.nix b/nixos/hosts/nixos-vm-02/disks.nix
index 6c1144a9..73b9e392 100644
--- a/nixos/hosts/nixos-vm-02/disks.nix
+++ b/nixos/hosts/nixos-vm-02/disks.nix
@@ -34,7 +34,6 @@
             settings.keyFile = "/tmp/secret.key";
             content = {
               type = "btrfs";
-              format = "btrfs";
               extraArgs = [ "-f" ];
               subvolumes = {
                 "/root" = {