diff --git a/ops/nixos/bvm-logger/default.nix b/ops/nixos/bvm-logger/default.nix
index 7ce449b7be..aefb9104f8 100644
--- a/ops/nixos/bvm-logger/default.nix
+++ b/ops/nixos/bvm-logger/default.nix
@@ -37,7 +37,6 @@ in {
       cp ${./clickhouse-config.xml} $out/etc/clickhouse-server/config.xml
     '';
   };
-  time.timeZone = "Etc/UTC";
 
   systemd.services.journal2clickhouse = {
     enable = true;
diff --git a/ops/nixos/howl/default.nix b/ops/nixos/howl/default.nix
index 29823ed147..c73a55810d 100644
--- a/ops/nixos/howl/default.nix
+++ b/ops/nixos/howl/default.nix
@@ -105,18 +105,6 @@ in {
   hardware.opengl.extraPackages32 = with pkgs.pkgsi686Linux; [ libva ];
   hardware.acpilight.enable = true;
 
-  # TODO(lukegb): finish evaluating pipewire
-  hardware.pulseaudio.enable = lib.mkForce false;
-  services.pipewire = {
-    enable = true;
-    alsa.enable = true;
-    alsa.support32Bit = true;
-    jack.enable = true;
-    pulse.enable = true;
-
-    media-session.enable = true;
-  };
-
   # Define a user account.
   users.users.lukegb = {
     extraGroups = [ "wheel" "networkmanager" "libvirtd" "video" ];