diff --git a/hosts/T430/hardware.nix b/hosts/T430/hardware.nix
index b3ee667..119ed85 100644
--- a/hosts/T430/hardware.nix
+++ b/hosts/T430/hardware.nix
@@ -1,12 +1,7 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
+{ config, lib, modulesPath, ... }:
 
 {
-  imports =
-    [ (modulesPath + "/installer/scan/not-detected.nix")
-    ];
+  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
 
   boot.initrd.availableKernelModules = [ "xhci_pci" "ehci_pci" "ahci" "usb_storage" "sd_mod" "sr_mod" "sdhci_pci" ];
   boot.initrd.kernelModules = [ ];
@@ -17,7 +12,8 @@
   boot.resumeDevice = "/dev/disk/by-label/ROOT";
 
   fileSystems."/" =
-    { device = "/dev/disk/by-label/ROOT";
+    {
+      device = "/dev/disk/by-label/ROOT";
       fsType = "btrfs";
       options = [ "subvol=@" ];
     };
@@ -25,25 +21,29 @@
   boot.initrd.luks.devices."cryptlvm".device = "/dev/disk/by-uuid/b7a904b2-cceb-47fc-832a-701e386a95db";
 
   fileSystems."/home" =
-    { device = "/dev/disk/by-label/ROOT";
+    {
+      device = "/dev/disk/by-label/ROOT";
       fsType = "btrfs";
       options = [ "subvol=@home" ];
     };
 
   fileSystems."/nix" =
-    { device = "/dev/disk/by-label/ROOT";
+    {
+      device = "/dev/disk/by-label/ROOT";
       fsType = "btrfs";
       options = [ "subvol=@home" ];
     };
 
   fileSystems."/swap" =
-    { device = "/dev/disk/by-label/ROOT";
+    {
+      device = "/dev/disk/by-label/ROOT";
       fsType = "btrfs";
       options = [ "subvol=@home" ];
     };
 
   fileSystems."/boot" =
-    { device = "/dev/disk/by-label/EFI";
+    {
+      device = "/dev/disk/by-label/EFI";
       fsType = "vfat";
     };
 
diff --git a/modules/kdeconnect.nix b/modules/kdeconnect.nix
index 4f9370e..4223e0c 100644
--- a/modules/kdeconnect.nix
+++ b/modules/kdeconnect.nix
@@ -1,3 +1,3 @@
-{ config, ... }:  {
+{ config, ... }: {
   programs.kdeconnect.enable = config.bchmnn.gui.enable;
 }
diff --git a/modules/keyd.nix b/modules/keyd.nix
index ae6db75..71185bd 100644
--- a/modules/keyd.nix
+++ b/modules/keyd.nix
@@ -1,4 +1,5 @@
-{ pkgs, ... }: let
+{ pkgs, ... }:
+let
   nav = {
     h = "left";
     j = "down";
@@ -24,7 +25,8 @@
     o = "Ö";
     u = "Ü";
   };
-in {
+in
+{
   environment.systemPackages = with pkgs; [
     keyd
   ];
diff --git a/modules/nix.nix b/modules/nix.nix
index 5148996..34b92cd 100644
--- a/modules/nix.nix
+++ b/modules/nix.nix
@@ -6,8 +6,8 @@
 
   nixpkgs.overlays = [
     (self: super: {
-      mfcl3750cdwlpr = (super.callPackage ../overlays/mfcl3750cdw.nix {}).driver;
-      mfcl3750cdwcupswrapper = (super.callPackage ../overlays/mfcl3750cdw.nix {}).cupswrapper;
+      mfcl3750cdwlpr = (super.callPackage ../overlays/mfcl3750cdw.nix { }).driver;
+      mfcl3750cdwcupswrapper = (super.callPackage ../overlays/mfcl3750cdw.nix { }).cupswrapper;
     })
   ];
 
diff --git a/modules/sddm.nix b/modules/sddm.nix
index 6fef4a5..33aa3b8 100644
--- a/modules/sddm.nix
+++ b/modules/sddm.nix
@@ -1,12 +1,12 @@
 { lib, config, ... }: with config.bchmnn; lib.mkIf (gui.enable && lib.elem "i3" gui.flavour) {
 
   /*
-  services.xserver.displayManager.sddm = {
+    services.xserver.displayManager.sddm = {
     enable = true;
     wayland.enable = true;
-  };
+    };
 
-  programs.sway.enable = true;
+    programs.sway.enable = true;
   */
 
 }
diff --git a/overlays/mfcl3750cdw.nix b/overlays/mfcl3750cdw.nix
index f1c8249..8b2e5f7 100644
--- a/overlays/mfcl3750cdw.nix
+++ b/overlays/mfcl3750cdw.nix
@@ -21,7 +21,8 @@ let
   };
   reldir = "opt/brother/Printers/${model}/";
 
-in rec {
+in
+rec {
   driver = pkgsi686Linux.stdenv.mkDerivation rec {
     inherit src version;
     name = "${model}drv-${version}";
@@ -31,18 +32,18 @@ in rec {
     unpackPhase = "dpkg-deb -x $src $out";
 
     installPhase = ''
-      dir="$out/${reldir}"
-      substituteInPlace $dir/lpd/filter_${model} \
-        --replace /usr/bin/perl ${perl}/bin/perl \
-        --replace "BR_PRT_PATH =~" "BR_PRT_PATH = \"$dir\"; #" \
-        --replace "PRINTER =~" "PRINTER = \"${model}\"; #"
-      wrapProgram $dir/lpd/filter_${model} \
-        --prefix PATH : ${lib.makeBinPath [
-          coreutils ghostscript gnugrep gnused which
-        ]}
-    # need to use i686 glibc here, these are 32bit proprietary binaries
-    patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
-      $dir/lpd/brmfcl3750cdwfilter
+        dir="$out/${reldir}"
+        substituteInPlace $dir/lpd/filter_${model} \
+          --replace /usr/bin/perl ${perl}/bin/perl \
+          --replace "BR_PRT_PATH =~" "BR_PRT_PATH = \"$dir\"; #" \
+          --replace "PRINTER =~" "PRINTER = \"${model}\"; #"
+        wrapProgram $dir/lpd/filter_${model} \
+          --prefix PATH : ${lib.makeBinPath [
+            coreutils ghostscript gnugrep gnused which
+          ]}
+      # need to use i686 glibc here, these are 32bit proprietary binaries
+      patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
+        $dir/lpd/brmfcl3750cdwfilter
     '';
 
     meta = {
diff --git a/users/gandalf/modules/dconf.nix b/users/gandalf/modules/dconf.nix
index d5c1c19..742c36f 100644
--- a/users/gandalf/modules/dconf.nix
+++ b/users/gandalf/modules/dconf.nix
@@ -2,8 +2,8 @@
 
   dconf.settings = lib.mkIf nixosConfig.bchmnn.virtualisation.enable {
     "org/virt-manager/virt-manager/connections" = {
-      autoconnect = ["qemu:///system"];
-      uris = ["qemu:///system"];
+      autoconnect = [ "qemu:///system" ];
+      uris = [ "qemu:///system" ];
     };
   };
 
diff --git a/users/gandalf/modules/gui/i3/default.nix b/users/gandalf/modules/gui/i3/default.nix
index f1c8e2e..445ca52 100644
--- a/users/gandalf/modules/gui/i3/default.nix
+++ b/users/gandalf/modules/gui/i3/default.nix
@@ -5,7 +5,8 @@ let
   # common = (import ../common.nix) { pkgs = pkgs; lib = lib; };
   common = (import ../common.nix) { inherit pkgs; inherit lib; };
 
-in {
+in
+{
 
   imports = [
     ./autorandr.nix
diff --git a/users/gandalf/modules/gui/programs/flameshot/build.nix b/users/gandalf/modules/gui/programs/flameshot/build.nix
index ce5e17f..f9dd37b 100644
--- a/users/gandalf/modules/gui/programs/flameshot/build.nix
+++ b/users/gandalf/modules/gui/programs/flameshot/build.nix
@@ -1,4 +1,4 @@
-{ pkgs , cmake , qttools , qtsvg , kguiaddons , wrapQtAppsHook }:
+{ pkgs, cmake, qttools, qtsvg, kguiaddons, wrapQtAppsHook }:
 
 # https://ryantm.github.io/nixpkgs/using/overrides/
 pkgs.flameshot.overrideAttrs (finalAttrs: previousAttrs: {