diff --git a/hosts/dacbert/default.nix b/hosts/dacbert/default.nix
index df2231bb..1f3f825d 100644
--- a/hosts/dacbert/default.nix
+++ b/hosts/dacbert/default.nix
@@ -53,11 +53,6 @@
     k-ot.enable = true;
   };
 
-  nix = {
-    buildCores = 4;
-    maxJobs = 2;
-  };
-
   networking = {
     hostName = "dacbert"; # Define your hostname.
     useDHCP = false;
diff --git a/hosts/rpi-netboot/default.nix b/hosts/rpi-netboot/default.nix
index ed536dec..f9e1460c 100644
--- a/hosts/rpi-netboot/default.nix
+++ b/hosts/rpi-netboot/default.nix
@@ -39,9 +39,6 @@
       # prevent kernel install fail due to missing modules
       pkgs.makeModulesClosure (x // { allowMissing = true; });
   };
-  hardware.raspberry-pi."4" = {
-    # fkms-3d.enable = true;
-  };
 
   c3d2 = {
     isInHq = true;
@@ -53,11 +50,6 @@
     autoUpdate = false;
   };
 
-  nix = {
-    buildCores = 4;
-    maxJobs = 1;
-  };
-
   networking = {
     hostName = "rpi-netboot"; # Define your hostname.
     useDHCP = false;