diff --git a/nixos/boxes/foureighty.nix b/nixos/boxes/foureighty.nix
index 70daf8cc..9b21c823 100644
--- a/nixos/boxes/foureighty.nix
+++ b/nixos/boxes/foureighty.nix
@@ -40,7 +40,6 @@
     ../gfx-intel.nix
     ../zerotier.nix
     ../i3/system.nix
-    ../virtualbox.nix
   ];
 
   nix.maxJobs = 2;
diff --git a/nixos/common.nix b/nixos/common.nix
index cf294b90..f468b0ba 100644
--- a/nixos/common.nix
+++ b/nixos/common.nix
@@ -63,6 +63,6 @@ in
       };
 
       system = {
-        stateVersion = "19.09";
+        stateVersion = "20.03";
       };
     }
diff --git a/nixos/i3/system.nix b/nixos/i3/system.nix
index 5915dd07..bbff1c60 100644
--- a/nixos/i3/system.nix
+++ b/nixos/i3/system.nix
@@ -9,6 +9,8 @@
 
     colord.enable = true;
     autorandr.enable = true;
+    xserver.windowManager.i3.enable = true;
+    xserver.windowManager.i3.package = pkgs.i3-gaps;
     xserver.displayManager.sddm = {
       enable = true;
       enableHidpi = true;
diff --git a/nixos/programs/alacritty.nix b/nixos/programs/alacritty.nix
index 55b85b39..4d61c5be 100644
--- a/nixos/programs/alacritty.nix
+++ b/nixos/programs/alacritty.nix
@@ -8,7 +8,6 @@
       scrolling = {
         history = 32000;
         multiplier = 3;
-        faux_multiplier = 3;
         auto_scroll = false;
       };
 
diff --git a/nixos/up.sh b/nixos/up.sh
index 39f9feda..49d00134 100755
--- a/nixos/up.sh
+++ b/nixos/up.sh
@@ -26,8 +26,8 @@ cp -v "$DIR/keeweb.desktop" ~/.local/share/applications/
 ln -vfs "$DIR/tools" ~/
 echo "all links done"
 
-sudo nix-channel --add https://nixos.org/channels/nixos-19.09-small nixos
-nix-channel --add https://github.com/rycee/home-manager/archive/release-19.09.tar.gz home-manager
+sudo nix-channel --add https://nixos.org/channels/nixos-20.03 nixos
+nix-channel --add https://github.com/rycee/home-manager/archive/release-20.03.tar.gz home-manager
 nix-channel --update
 nix-shell '<home-manager>' -A install