diff --git a/hosts/levi/optimus.nix b/hosts/levi/optimus.nix
index f6033a6..0fc976e 100644
--- a/hosts/levi/optimus.nix
+++ b/hosts/levi/optimus.nix
@@ -2,17 +2,11 @@
 let
   current-mode = "nvidia-mux";
 
-  # remove after pkgs.zfs.latestCompatibleLinuxPackages is 6.x
-  zfs-needs-fixing = builtins.substring 0 2 pkgs.zfs.latestCompatibleLinuxPackages.kernel.version == "5.";
-
   constants = {
     hardware.nvidia.prime.intelBusId = "PCI:0:2:0";
     hardware.nvidia.prime.nvidiaBusId = "PCI:1:0:0";
-    boot.kernelPackages =
-      if zfs-needs-fixing
-      then pkgs.linuxPackages_6_0
-      else pkgs.zfs.latestCompatibleLinuxPackages;
-    boot.zfs.enableUnstable = zfs-needs-fixing;
+    boot.kernelPackages = pkgs.linuxPackages_6_0;
+    boot.zfs.enableUnstable = true; # TODO: remove
   };
 
   available-modes = {