diff --git a/configs/hardened.nix b/configs/hardened.nix
index b882c0a..86c49bb 100644
--- a/configs/hardened.nix
+++ b/configs/hardened.nix
@@ -1,7 +1,7 @@
 { lib, ... }:
 with lib; {
   environment = {
-    memoryAllocator.provider = mkDefault "scudo";
+    memoryAllocator.provider = mkDefault "libc";
     variables.SCUDO_OPTIONS = mkDefault "ZeroContents=1";
   };
 
diff --git a/hosts/box/default.nix b/hosts/box/default.nix
index f611a94..98806a4 100644
--- a/hosts/box/default.nix
+++ b/hosts/box/default.nix
@@ -1,7 +1,6 @@
 { config
 , lib
 , pkgs
-, isUnstable
 , xinlib
 , ...
 }:
@@ -207,15 +206,17 @@ in
   #  "services/home-automation/home-assistant.nix"
   #];
 
-  environment.systemPackages = with pkgs; [
-    tmux
-    mosh
-    apg
-    git
-    signify
-    glowing-bear
-    rtl_433
-  ];
+  environment = {
+    systemPackages = with pkgs; [
+      tmux
+      mosh
+      apg
+      git
+      signify
+      glowing-bear
+      rtl_433
+    ];
+  };
 
   security.acme = {
     acceptTerms = true;
@@ -512,7 +513,7 @@ in
 
     fwupd.enable = true;
     zfs = {
-      autoSnapshot={
+      autoSnapshot = {
         enable = true;
         daily = 3;
         hourly = 8;
diff --git a/hosts/clunk/hardware-configuration.nix b/hosts/clunk/hardware-configuration.nix
index fce6666..7bf8d10 100644
--- a/hosts/clunk/hardware-configuration.nix
+++ b/hosts/clunk/hardware-configuration.nix
@@ -2,22 +2,27 @@
 
 {
   imports =
-    [ (modulesPath + "/installer/scan/not-detected.nix")
+    [
+      (modulesPath + "/installer/scan/not-detected.nix")
     ];
 
-  boot.initrd.availableKernelModules = [ "uhci_hcd" "ehci_pci" "ahci" "usb_storage" "ums_realtek" "sd_mod" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ ];
-  boot.extraModulePackages = [ ];
+  boot = {
+    initrd = {
+      availableKernelModules = [ "uhci_hcd" "ehci_pci" "ahci" "usb_storage" "ums_realtek" "sd_mod" ];
+      kernelModules = [ ];
+    };
+    kernelModules = [ ];
+    extraModulePackages = [ ];
+  };
 
   fileSystems."/" =
-    { device = "/dev/disk/by-uuid/d97f80ac-63fe-43d3-a3f5-3c385a41a068";
+    {
+      device = "/dev/disk/by-uuid/d97f80ac-63fe-43d3-a3f5-3c385a41a068";
       fsType = "ext4";
     };
 
   swapDevices =
-    [ { device = "/dev/disk/by-uuid/b70a6cac-996e-4a05-a3d0-17c7acf90f08"; }
-    ];
+    [{ device = "/dev/disk/by-uuid/b70a6cac-996e-4a05-a3d0-17c7acf90f08"; }];
 
   networking.useDHCP = lib.mkDefault true;
 
diff --git a/hosts/h/default.nix b/hosts/h/default.nix
index 88c4e37..4b71e66 100644
--- a/hosts/h/default.nix
+++ b/hosts/h/default.nix
@@ -225,7 +225,6 @@ in
   };
 
   environment = {
-    memoryAllocator.provider = "mimalloc";
     systemPackages = with pkgs; [
       inetutils
 
diff --git a/hosts/stan/hardware-configuration.nix b/hosts/stan/hardware-configuration.nix
index d74e53f..173efed 100644
--- a/hosts/stan/hardware-configuration.nix
+++ b/hosts/stan/hardware-configuration.nix
@@ -1,5 +1,4 @@
 { pkgs
-, config
 , lib
 , modulesPath
 , ...