diff --git a/modules/nixos/services/homeassistant/default.nix b/modules/nixos/services/homeassistant/default.nix
index 92e268b..5a8ad26 100644
--- a/modules/nixos/services/homeassistant/default.nix
+++ b/modules/nixos/services/homeassistant/default.nix
@@ -76,6 +76,7 @@ in
         recorder.db_url = "postgresql://@/hass";
 
         "automation ui" = "!include automations.yaml";
+        "scene ui" = "!include scenes.yaml";
       };
     };
 
diff --git a/modules/nixos/services/zigbee2mqtt/default.nix b/modules/nixos/services/zigbee2mqtt/default.nix
index 33fbfc2..b634850 100644
--- a/modules/nixos/services/zigbee2mqtt/default.nix
+++ b/modules/nixos/services/zigbee2mqtt/default.nix
@@ -49,9 +49,6 @@ in
         };
         advanced = {
           channel = 11;
-          network_key = "GENERATE";
-          pan_id = "GENERATE";
-          ext_pan_id = "GENERATE";
         };
         frontend = {
           enabled = true;
@@ -60,6 +57,7 @@ in
         homeassistant = {
           enabled = true;
         };
+        availability.enabled = true;
       };
     };
 
diff --git a/systems/x86_64-linux/carbon/default.nix b/systems/x86_64-linux/carbon/default.nix
index 12dfcc7..248e9db 100644
--- a/systems/x86_64-linux/carbon/default.nix
+++ b/systems/x86_64-linux/carbon/default.nix
@@ -9,8 +9,8 @@
   aa = {
     nix = {
       enable = true;
-      useSelfhostedCache = true;
-      remoteBuilder.client.enable = true;
+      useSelfhostedCache = false;
+      remoteBuilder.client.enable = false;
     };
 
     archetypes.workstation.enable = true;
@@ -27,6 +27,10 @@
 
     system.zfs.enable = true;
     apps.yubikey.enable = true;
+
+    user.extraGroups = [
+      "dialout"
+    ];
   };
 
   networking = {
@@ -65,6 +69,10 @@
     vlc
     signal-desktop-bin
   ];
+  environment.pathsToLink = [
+    "/share/applications"
+    "/share/xdg-desktop-portal"
+  ];
 
   programs.adb.enable = true;
   programs.light.enable = true;
diff --git a/systems/x86_64-linux/node/default.nix b/systems/x86_64-linux/node/default.nix
index 19aaf97..eed1849 100644
--- a/systems/x86_64-linux/node/default.nix
+++ b/systems/x86_64-linux/node/default.nix
@@ -17,7 +17,7 @@
 
   aa = {
     nix.enable = true;
-    nix.useSelfhostedCache = true;
+    nix.useSelfhostedCache = false;
 
     services.tailscale = {
       enable = true;