diff --git a/systems/common.nix b/systems/common.nix
index f247546..a02d80a 100644
--- a/systems/common.nix
+++ b/systems/common.nix
@@ -5,7 +5,7 @@
 
   fileSystems."/" =
     { device = "/dev/disk/by-partlabel/primary";
-      fsType = "ext4";
+      fsType = "btrfs";
     };
 
   fileSystems."/boot" =
@@ -48,7 +48,6 @@
   # Bootloader.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
-  boot.loader.efi.efiSysMountPoint = "/boot/efi";
 
   # Kernel
   boot.kernelPackages = pkgs.linuxPackages_latest;