diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix
index 866f98825362..3fdf6510953e 100644
--- a/nixos/tests/installer.nix
+++ b/nixos/tests/installer.nix
@@ -360,13 +360,8 @@ in {
           "mount LABEL=boot /mnt/boot",
         );
       '';
-      # XXX: Currently, generate-config doesn't detect LUKS yet.
       extraConfig = ''
         boot.kernelParams = lib.mkAfter [ "console=tty0" ];
-        boot.initrd.luks.devices.cryptroot = {
-          device = "/dev/vda3";
-          preLVM = true;
-        };
       '';
       enableOCR = true;
       preBootCommands = ''