diff --git a/formats/docker.nix b/formats/docker.nix
index 14765b7..2c74acb 100644
--- a/formats/docker.nix
+++ b/formats/docker.nix
@@ -7,7 +7,6 @@
     "${toString modulesPath}/virtualisation/docker-image.nix"
   ];
 
-  boot.isContainer = true;
   boot.loader.grub.enable = lib.mkForce false;
   boot.loader.systemd-boot.enable = lib.mkForce false;
   services.journald.console = "/dev/console";