diff --git a/install.sh b/install.sh
index 333e39f..c5c7509 100755
--- a/install.sh
+++ b/install.sh
@@ -17,4 +17,4 @@ fi
 
 # Install NixOS.
 # shellcheck disable=SC2068
-nix --extra-experimental-features 'nix-command flakes' run 'github:nix-community/disko#disko-install' -- --impure --flake "path:$nixosDir/#$host" $@
+nix --extra-experimental-features 'nix-command flakes' run 'github:nix-community/disko#disko-install' -- --flake "path:$nixosDir/#$host" $@
diff --git a/modules/nixos/desktop.nix b/modules/nixos/desktop.nix
index 00acd35..4834405 100644
--- a/modules/nixos/desktop.nix
+++ b/modules/nixos/desktop.nix
@@ -25,7 +25,6 @@
   services.printing.enable = true;
 
   # Enable sound with pipewire.
-  sound.enable = true;
   hardware.pulseaudio.enable = false;
   security.rtkit.enable = true;
   services.pipewire = {