diff --git a/.github/workflows/nix-build.yml b/.github/workflows/nix-build.yml
index 8fe74274..7317e0e0 100644
--- a/.github/workflows/nix-build.yml
+++ b/.github/workflows/nix-build.yml
@@ -7,7 +7,22 @@ on:
       - '_img/**'
   workflow_dispatch:
 jobs:
-  default-build:
+  adjustor-build:
+    if: contains(github.event.head_commit.message, 'pkgs/') || contains(github.event.head_commit.message, 'flake.nix') || contains(github.event.head_commit.message, 'flake.lock')
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@main
+        with:
+          fetch-depth: 1
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - uses: cachix/cachix-action@master
+        with:
+          name: alyraffauf
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+      - name: Build default package
+        run: nix build --accept-flake-config .#packages.x86_64-linux.adjustor
+  clean-install-build:
     if: contains(github.event.head_commit.message, 'flake/') || contains(github.event.head_commit.message, 'flake.nix') || contains(github.event.head_commit.message, 'flake.lock')
     runs-on: ubuntu-latest
     steps:
@@ -21,7 +36,22 @@ jobs:
           name: alyraffauf
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
       - name: Build default package
-        run: nix build --accept-flake-config .#packages.x86_64-linux.default
+        run: nix build --accept-flake-config .#packages.x86_64-linux.clean-install
+  hd-ui-build:
+    if: contains(github.event.head_commit.message, 'pkgs/') || contains(github.event.head_commit.message, 'flake.nix') || contains(github.event.head_commit.message, 'flake.lock')
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@main
+        with:
+          fetch-depth: 1
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - uses: cachix/cachix-action@master
+        with:
+          name: alyraffauf
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+      - name: Build default package
+        run: nix build --accept-flake-config .#packages.x86_64-linux.hhd-ui
   fallarbor-build:
     runs-on: ubuntu-latest
     steps:
diff --git a/common/nix.nix b/common/nix.nix
index 0dee0fb7..cd677878 100644
--- a/common/nix.nix
+++ b/common/nix.nix
@@ -1,4 +1,4 @@
-{
+{self, ...}: {
   nix = {
     gc = {
       automatic = true;
@@ -38,4 +38,13 @@
       trusted-users = ["aly"];
     };
   };
+
+  nixpkgs = {
+    config.allowUnfree = true; # Allow unfree packages
+
+    overlays = [
+      self.overlays.default
+      self.overlays.rofi-bluetooth
+    ];
+  };
 }
diff --git a/common/overlays.nix b/common/overlays.nix
deleted file mode 100644
index 56688ca7..00000000
--- a/common/overlays.nix
+++ /dev/null
@@ -1,22 +0,0 @@
-{pkgs, ...}: {
-  nixpkgs = {
-    config.allowUnfree = true; # Allow unfree packages
-
-    overlays = [
-      (final: prev: {
-        rofi-bluetooth =
-          prev.rofi-bluetooth.overrideAttrs
-          (old: {
-            version = "unstable-2024-07-25";
-
-            src = pkgs.fetchFromGitHub {
-              owner = "alyraffauf";
-              repo = old.pname;
-              rev = "50252e4a9aebe4899a6ef2f7bc11d91b7e4aa8ae";
-              sha256 = "sha256-o0Sr3/888L/2KzZZP/EcXx+8ZUzdHB/I/VIeVuJvJks=";
-            };
-          });
-      })
-    ];
-  };
-}
diff --git a/flake.nix b/flake.nix
index 61254eb1..10accff6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -112,6 +112,7 @@
             git
             mdformat
             nh
+            nix-update
             ruby
             sbctl
           ])
@@ -129,13 +130,6 @@
 
     formatter = forAllSystems ({pkgs}: pkgs.alejandra);
 
-    packages = forAllLinuxSystems ({pkgs}: {
-      default = pkgs.writeShellApplication {
-        name = "clean-install";
-        text = ./flake/clean-install.sh;
-      };
-    });
-
     homeManagerModules = {
       default = import ./homeManagerModules self;
       aly = import ./homes/aly self;
@@ -148,7 +142,6 @@
       common-locale = import ./common/locale.nix;
       common-mauville-share = import ./common/samba.nix;
       common-nix = import ./common/nix.nix;
-      common-overlays = import ./common/overlays.nix;
       common-pkgs = import ./common/pkgs.nix;
       common-tailscale = import ./common/tailscale.nix;
       common-wifi-profiles = import ./common/wifi.nix;
@@ -194,5 +187,24 @@
           ];
         }
     );
+
+    overlays = {
+      rofi-bluetooth = import ./overlays/rofi-bluetooth.nix;
+      tablet = import ./overlays/tablet.nix;
+      default = import ./overlays/default.nix {inherit self;};
+    };
+
+    packages = forAllLinuxSystems ({pkgs}: rec {
+      default = clean-install;
+
+      adjustor = pkgs.callPackage ./pkgs/adjustor.nix {};
+
+      clean-install = pkgs.writeShellApplication {
+        name = "clean-install";
+        text = ./flake/clean-install.sh;
+      };
+
+      hhd-ui = pkgs.callPackage ./pkgs/hhd-ui.nix {};
+    });
   };
 }
diff --git a/hosts/fallarbor/default.nix b/hosts/fallarbor/default.nix
index fcc3374b..ae2cd70c 100644
--- a/hosts/fallarbor/default.nix
+++ b/hosts/fallarbor/default.nix
@@ -14,7 +14,6 @@
     self.nixosModules.common-locale
     self.nixosModules.common-mauville-share
     self.nixosModules.common-nix
-    self.nixosModules.common-overlays
     self.nixosModules.common-pkgs
     self.nixosModules.common-wifi-profiles
     self.nixosModules.hw-framework-13-intel-11th
diff --git a/hosts/lavaridge/default.nix b/hosts/lavaridge/default.nix
index 19e16256..2e68e4e9 100644
--- a/hosts/lavaridge/default.nix
+++ b/hosts/lavaridge/default.nix
@@ -16,7 +16,6 @@
     self.nixosModules.common-locale
     self.nixosModules.common-mauville-share
     self.nixosModules.common-nix
-    self.nixosModules.common-overlays
     self.nixosModules.common-pkgs
     self.nixosModules.common-tailscale
     self.nixosModules.common-wifi-profiles
diff --git a/hosts/mauville/default.nix b/hosts/mauville/default.nix
index 5413205e..0b6197f7 100644
--- a/hosts/mauville/default.nix
+++ b/hosts/mauville/default.nix
@@ -18,7 +18,6 @@ in {
     self.nixosModules.common-base
     self.nixosModules.common-locale
     self.nixosModules.common-nix
-    self.nixosModules.common-overlays
     self.nixosModules.common-pkgs
     self.nixosModules.common-tailscale
     self.nixosModules.common-wifi-profiles
diff --git a/hosts/pacifidlog/default.nix b/hosts/pacifidlog/default.nix
index 26c57069..421f5e09 100644
--- a/hosts/pacifidlog/default.nix
+++ b/hosts/pacifidlog/default.nix
@@ -5,10 +5,7 @@
   lib,
   self,
   ...
-}: let
-  adjustor = pkgs.callPackage ./../../pkgs/adjustor.nix {};
-  hhd-ui = pkgs.callPackage ./../../pkgs/hhd-ui.nix {};
-in {
+}: {
   imports = [
     ./home.nix
     ./secrets.nix
@@ -21,7 +18,6 @@ in {
     self.nixosModules.common-locale
     self.nixosModules.common-mauville-share
     self.nixosModules.common-nix
-    self.nixosModules.common-overlays
     self.nixosModules.common-pkgs
     self.nixosModules.common-tailscale
     self.nixosModules.common-wifi-profiles
@@ -47,10 +43,10 @@ in {
   };
 
   environment = {
-    systemPackages = [
+    systemPackages = with pkgs; [
+      heroic
       hhd-ui
-      pkgs.heroic
-      pkgs.lutris
+      lutris
     ];
 
     variables.GDK_SCALE = "2";
@@ -68,13 +64,9 @@ in {
 
     steam = {
       enable = true;
-
-      environment = {
-        STEAM_GAMESCOPE_COLOR_MANAGED = "0";
-      };
-
       autoStart = true;
       desktopSession = "hyprland";
+      environment.STEAM_GAMESCOPE_COLOR_MANAGED = "0";
       user = "aly";
     };
 
@@ -82,44 +74,21 @@ in {
   };
 
   networking.hostName = "pacifidlog";
-
-  nixpkgs.overlays = [
-    (final: prev: {
-      brave = prev.brave.override {commandLineArgs = "--gtk-version=4 --enable-wayland-ime";};
-
-      obsidian = prev.obsidian.overrideAttrs (old: {
-        installPhase =
-          builtins.replaceStrings ["--ozone-platform=wayland"]
-          ["--ozone-platform=wayland --enable-wayland-ime"]
-          old.installPhase;
-      });
-
-      vscodium = prev.vscodium.override {commandLineArgs = "--enable-wayland-ime";};
-
-      webcord = prev.webcord.overrideAttrs (old: {
-        installPhase =
-          builtins.replaceStrings ["--ozone-platform-hint=auto"]
-          ["--ozone-platform-hint=auto --enable-wayland-ime"]
-          old.installPhase;
-      });
-    })
-  ];
-
+  nixpkgs.overlays = [self.overlays.tablet];
   programs.steam.platformOptimizations.enable = true;
 
   services = {
     handheld-daemon = {
       enable = true;
-      user = "aly";
 
       package = with pkgs;
         handheld-daemon.overrideAttrs (oldAttrs: {
           propagatedBuildInputs =
             oldAttrs.propagatedBuildInputs
-            ++ [
-              adjustor
-            ];
+            ++ [pkgs.adjustor];
         });
+
+      user = "aly";
     };
 
     pipewire.lowLatency = {
@@ -130,7 +99,7 @@ in {
   };
 
   system.stateVersion = "24.11";
-  systemd.services.handheld-daemon.path = [hhd-ui pkgs.lsof];
+  systemd.services.handheld-daemon.path = with pkgs; [hhd-ui lsof];
   zramSwap.memoryPercent = 100;
 
   ar = {
diff --git a/hosts/rustboro/default.nix b/hosts/rustboro/default.nix
index 2a55cad2..aea2fe95 100644
--- a/hosts/rustboro/default.nix
+++ b/hosts/rustboro/default.nix
@@ -15,7 +15,6 @@
     self.nixosModules.common-locale
     self.nixosModules.common-mauville-share
     self.nixosModules.common-nix
-    self.nixosModules.common-overlays
     self.nixosModules.common-pkgs
     self.nixosModules.common-tailscale
     self.nixosModules.common-wifi-profiles
diff --git a/hosts/slateport/default.nix b/hosts/slateport/default.nix
index 7117f4a0..5a2ec990 100644
--- a/hosts/slateport/default.nix
+++ b/hosts/slateport/default.nix
@@ -13,7 +13,6 @@
     self.nixosModules.common-locale
     self.nixosModules.common-mauville-share
     self.nixosModules.common-nix
-    self.nixosModules.common-overlays
     self.nixosModules.common-pkgs
     self.nixosModules.common-tailscale
     self.nixosModules.common-wifi-profiles
diff --git a/overlays/default.nix b/overlays/default.nix
new file mode 100644
index 00000000..fefb8d79
--- /dev/null
+++ b/overlays/default.nix
@@ -0,0 +1,5 @@
+# Default overlay.
+{self}: final: prev: {
+  adjustor = self.packages.${prev.system}.adjustor;
+  hhd-ui = self.packages.${prev.system}.hhd-ui;
+}
diff --git a/overlays/rofi-bluetooth.nix b/overlays/rofi-bluetooth.nix
new file mode 100644
index 00000000..7274d344
--- /dev/null
+++ b/overlays/rofi-bluetooth.nix
@@ -0,0 +1,15 @@
+# My personal fork of rofi-bluetooth.
+final: prev: {
+  rofi-bluetooth =
+    prev.rofi-bluetooth.overrideAttrs
+    (old: {
+      version = "unstable-2024-07-25";
+
+      src = prev.fetchFromGitHub {
+        owner = "alyraffauf";
+        repo = old.pname;
+        rev = "50252e4a9aebe4899a6ef2f7bc11d91b7e4aa8ae";
+        sha256 = "sha256-o0Sr3/888L/2KzZZP/EcXx+8ZUzdHB/I/VIeVuJvJks=";
+      };
+    });
+}
diff --git a/overlays/tablet.nix b/overlays/tablet.nix
new file mode 100644
index 00000000..45c00fb7
--- /dev/null
+++ b/overlays/tablet.nix
@@ -0,0 +1,20 @@
+# Text input fixes for electron apps.
+final: prev: {
+  brave = prev.brave.override {commandLineArgs = "--gtk-version=4 --enable-wayland-ime";};
+
+  obsidian = prev.obsidian.overrideAttrs (old: {
+    installPhase =
+      builtins.replaceStrings ["--ozone-platform=wayland"]
+      ["--ozone-platform=wayland --enable-wayland-ime"]
+      old.installPhase;
+  });
+
+  vscodium = prev.vscodium.override {commandLineArgs = "--enable-wayland-ime";};
+
+  webcord = prev.webcord.overrideAttrs (old: {
+    installPhase =
+      builtins.replaceStrings ["--ozone-platform-hint=auto"]
+      ["--ozone-platform-hint=auto --enable-wayland-ime"]
+      old.installPhase;
+  });
+}
diff --git a/pkgs/adjustor.nix b/pkgs/adjustor.nix
index a31b3f98..4bd27593 100644
--- a/pkgs/adjustor.nix
+++ b/pkgs/adjustor.nix
@@ -9,28 +9,28 @@ python3.pkgs.buildPythonApplication rec {
   pyproject = true;
 
   src = fetchFromGitHub {
+    hash = "sha256-9ONWKI68Llh36giIS6nVKNrZYmNAGMfwW2vgPMFuwXM=";
     owner = "hhd-dev";
     repo = "adjustor";
     rev = "v${version}";
-    hash = "sha256-9ONWKI68Llh36giIS6nVKNrZYmNAGMfwW2vgPMFuwXM=";
   };
 
   propagatedBuildInputs = with python3.pkgs; [
-    setuptools
-    rich
-    pyroute2
+    dbus-python
     fuse
     pygobject3
-    dbus-python
+    pyroute2
+    rich
+    setuptools
   ];
 
   # This package doesn't have upstream tests.
   doCheck = false;
 
   meta = with lib; {
+    description = "TDP control of AMD Handhelds with handheld-daemon.";
     homepage = "https://github.com/hhd-dev/adjustor/";
-    description = "Allows for TDP control of AMD Handhelds under handheld-daemon support";
-    platforms = platforms.linux;
     license = licenses.mit;
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/hhd-ui.nix b/pkgs/hhd-ui.nix
index aabb0a93..4c943d40 100644
--- a/pkgs/hhd-ui.nix
+++ b/pkgs/hhd-ui.nix
@@ -6,16 +6,17 @@
 appimageTools.wrapType2 rec {
   pname = "hhd-ui";
   version = "3.2.2";
+
   src = fetchurl {
-    url = "https://github.com/hhd-dev/hhd-ui/releases/download/v${version}/${pname}.AppImage";
     hash = "sha256-AFFQBhvWUimNW+LZvIf7bTyOX5GEc60kFSUwpsKqG5A=";
+    url = "https://github.com/hhd-dev/hhd-ui/releases/download/v${version}/${pname}.AppImage";
   };
 
   meta = with lib; {
+    description = "Graphical user interface for Handheld Daemon settings from Steam Big Picture Mode, the Desktop, and the Web.";
     homepage = "https://github.com/hhd-dev/hhd-ui/";
-    description = "A UI app that can manage Handheld Daemon settings from Steam, the Desktop, and the Web.";
-    platforms = platforms.linux;
     license = licenses.mit;
     mainProgram = "hhd-ui";
+    platforms = platforms.linux;
   };
 }