diff --git a/common.nix b/common.nix
index c7cd1be..99e25fe 100644
--- a/common.nix
+++ b/common.nix
@@ -138,7 +138,6 @@ with builtins; {
   boot.kernel.sysctl."vm.max_map_count" = 2147483642;
 
   hardware = {
-    opengl.enable = true;
     uinput.enable = true;
     bluetooth.enable = true;
     # keyboard.uhk.enable = true;
diff --git a/hosts/catbook-j/configuration.nix b/hosts/catbook-j/configuration.nix
index 342c186..d0f1c6b 100644
--- a/hosts/catbook-j/configuration.nix
+++ b/hosts/catbook-j/configuration.nix
@@ -46,18 +46,6 @@
     S10E_JRNL_FILE_LOC = "/home/jade/Docs/jrnl.md";
   };
 
-  hardware.opengl = {
-    enable = true;
-    extraPackages = with pkgs; [
-      intel-ocl
-      intel-media-driver
-      intel-vaapi-driver
-      intel-compute-runtime
-      libvdpau-va-gl
-      mesa.drivers
-    ];
-  };
-
   programs.wireshark.enable = true;
 
   boot.resumeDevice = "/dev/disk/by-uuid/4f9e8afa-f8d7-40bf-b3ea-17e8e8fbb694";
diff --git a/hosts/catbook-j/modules/default.nix b/hosts/catbook-j/modules/default.nix
index 935baf9..ffe8790 100644
--- a/hosts/catbook-j/modules/default.nix
+++ b/hosts/catbook-j/modules/default.nix
@@ -1,5 +1,6 @@
 {...}: {
   imports = [
     ./input.nix
+    ./graphics.nix
   ];
 }
diff --git a/hosts/catbook-j/modules/graphics.nix b/hosts/catbook-j/modules/graphics.nix
new file mode 100644
index 0000000..e359044
--- /dev/null
+++ b/hosts/catbook-j/modules/graphics.nix
@@ -0,0 +1,12 @@
+{pkgs, ...}: {
+  hardware.graphics = {
+    extraPackages = with pkgs; [
+      intel-ocl
+      intel-media-driver
+      intel-vaapi-driver
+      intel-compute-runtime
+      libvdpau-va-gl
+      mesa.drivers
+    ];
+  };
+}
diff --git a/hosts/monosodium-glutamate-g/configuration.nix b/hosts/monosodium-glutamate-g/configuration.nix
index 43e62b7..471c1a9 100644
--- a/hosts/monosodium-glutamate-g/configuration.nix
+++ b/hosts/monosodium-glutamate-g/configuration.nix
@@ -6,9 +6,11 @@
     ./hardware-configuration.nix
     ../../common.nix
     ../../modules
+    ./modules
   ];
 
   jade = {
+    hwKey.pamAuth.enable = true;
     desktop = {
       syncthing.enable = true;
       kdeconnect.enable = true;
@@ -57,9 +59,6 @@
     # TODO: clean up.
     zenstates
     zenmonitor
-    nvtop-amd
-    radeontop
-    rgp
     tea
     blender-hip
   ];
diff --git a/hosts/monosodium-glutamate-g/modules/default.nix b/hosts/monosodium-glutamate-g/modules/default.nix
new file mode 100644
index 0000000..213189f
--- /dev/null
+++ b/hosts/monosodium-glutamate-g/modules/default.nix
@@ -0,0 +1,5 @@
+{}: {
+  imports = [
+    ./graphics.nix
+  ];
+}
diff --git a/hosts/monosodium-glutamate-g/modules/graphics.nix b/hosts/monosodium-glutamate-g/modules/graphics.nix
new file mode 100644
index 0000000..5732629
--- /dev/null
+++ b/hosts/monosodium-glutamate-g/modules/graphics.nix
@@ -0,0 +1,7 @@
+{pkgs, ...}: {
+  environment.systemPackages = [
+    pkgs.nvtop-amd
+    pkgs.radeontop
+    pkgs.rgp
+  ];
+}
diff --git a/modules/default.nix b/modules/default.nix
index adf3726..afe2abc 100644
--- a/modules/default.nix
+++ b/modules/default.nix
@@ -6,5 +6,6 @@
     ./firewall.nix
     ./desktop-environment
     ./input
+    ./graphics.nix
   ];
 }
diff --git a/modules/graphics.nix b/modules/graphics.nix
new file mode 100644
index 0000000..cc13a5a
--- /dev/null
+++ b/modules/graphics.nix
@@ -0,0 +1,3 @@
+{}: {
+  graphics.enable = true;
+}