diff --git a/kube/deploy/vm/ad/_deps/preference.yaml b/kube/deploy/vm/ad/_deps/preference.yaml
index 48e87d08..d136bdcf 100644
--- a/kube/deploy/vm/ad/_deps/preference.yaml
+++ b/kube/deploy/vm/ad/_deps/preference.yaml
@@ -30,11 +30,12 @@ spec:
     preferredTPM:
       persistent: true
     preferredAutoattachMemBalloon: false
-    preferredAutoattachInputDevice: true
     preferredAutoattachGraphicsDevice: true
     preferredAutoattachSerialConsole: true
     preferredAutoattachPodInterface: true
-    preferredInputType: "tablet"
+    # preferredAutoattachInputDevice: true
+    # preferredInputType: "tablet"
+    preferredAutoattachInputDevice: false # save CPU resources, similar to disabling tablet input on Proxmox
   features:
     preferredAcpi: {}
     preferredApic: {}
diff --git a/kube/deploy/vm/ad/template-dc/vm.yaml b/kube/deploy/vm/ad/template-dc/vm.yaml
index 16daec7f..77da1f62 100644
--- a/kube/deploy/vm/ad/template-dc/vm.yaml
+++ b/kube/deploy/vm/ad/template-dc/vm.yaml
@@ -19,7 +19,6 @@ spec:
         vm.home.arpa/ad: "dc${NUM}"
     spec:
       hostname: "thunder-dc${NUM}"
-      subdomain: "vm-ad"
       evictionStrategy: "LiveMigrate" # needs RWX PVC
       networks:
         - name: "main"