diff --git a/.forgejo/workflows/uwu.yaml b/.forgejo/workflows/uwu.yaml
new file mode 100644
index 0000000..2e43502
--- /dev/null
+++ b/.forgejo/workflows/uwu.yaml
@@ -0,0 +1,10 @@
+on:
+  push:
+    branches: [main]
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: cachix/install-nix-action@v27
+    - run: nix flake check
diff --git a/hosts/aarch64-linux/alastor/default.nix b/hosts/aarch64-linux/alastor/default.nix
index 9ae59ef..b465f63 100644
--- a/hosts/aarch64-linux/alastor/default.nix
+++ b/hosts/aarch64-linux/alastor/default.nix
@@ -75,7 +75,6 @@
   # services.printing.enable = true;
 
   # Enable sound.
-  sound.enable = true;
   # hardware.pulseaudio.enable = true;
   # hardware.pulseaudio.enable = false;
   security.rtkit.enable = true;
diff --git a/hosts/x86_64-linux/asmodeus/default.nix b/hosts/x86_64-linux/asmodeus/default.nix
index 718bdf3..54120dc 100644
--- a/hosts/x86_64-linux/asmodeus/default.nix
+++ b/hosts/x86_64-linux/asmodeus/default.nix
@@ -125,7 +125,6 @@
   services.printing.enable = true;
 
   # Enable sound.
-  sound.enable = true;
   hardware.pulseaudio.enable = false;
 
   security.rtkit.enable = true;
diff --git a/hosts/x86_64-linux/lambda/default.nix b/hosts/x86_64-linux/lambda/default.nix
index 46a980a..276b7cc 100644
--- a/hosts/x86_64-linux/lambda/default.nix
+++ b/hosts/x86_64-linux/lambda/default.nix
@@ -102,7 +102,6 @@
   # services.printing.enable = true;
 
   # Enable sound.
-  sound.enable = true;
   hardware.pulseaudio = {
     enable = true;
     package = pkgs.pulseaudioFull;
diff --git a/hosts/x86_64-linux/seraphim/default.nix b/hosts/x86_64-linux/seraphim/default.nix
index c681efe..6b5b680 100644
--- a/hosts/x86_64-linux/seraphim/default.nix
+++ b/hosts/x86_64-linux/seraphim/default.nix
@@ -13,7 +13,6 @@
     ../../docker.nix
     ../../gc.nix
     ./jellyfin.nix
-    ./rsync.nix
     ./monitoring.nix
   ];
   nixpkgs.config.allowUnfree = true;