diff --git a/nixos/tests/bcachefs.nix b/nixos/tests/bcachefs.nix
index 0385e098997f..ec3c2427f386 100644
--- a/nixos/tests/bcachefs.nix
+++ b/nixos/tests/bcachefs.nix
@@ -20,9 +20,8 @@ import ./make-test-python.nix ({ pkgs, ... }: {
         "parted --script /dev/vdb mklabel msdos",
         "parted --script /dev/vdb -- mkpart primary 1024M 50% mkpart primary 50% -1s",
         "udevadm settle",
-        "keyctl link @u @s",
         "echo password | bcachefs format --encrypted --metadata_replicas 2 --label vtest /dev/vdb1 /dev/vdb2",
-        "echo password | bcachefs unlock /dev/vdb1",
+        "echo password | bcachefs unlock -k session /dev/vdb1",
         "echo password | mount -t bcachefs /dev/vdb1:/dev/vdb2 /tmp/mnt",
         "udevadm settle",
         "bcachefs fs usage /tmp/mnt",
diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix
index 56ba85b76e6f..3268a16967d7 100644
--- a/nixos/tests/installer.nix
+++ b/nixos/tests/installer.nix
@@ -931,9 +931,8 @@ in {
         "udevadm settle",
         "mkswap /dev/vda2 -L swap",
         "swapon -L swap",
-        "keyctl link @u @s",
         "echo password | mkfs.bcachefs -L root --encrypted /dev/vda3",
-        "echo password | bcachefs unlock /dev/vda3",
+        "echo password | bcachefs unlock -k session /dev/vda3",
         "echo password | mount -t bcachefs /dev/vda3 /mnt",
         "mkfs.ext3 -L boot /dev/vda1",
         "mkdir -p /mnt/boot",