diff --git a/flake.nix b/flake.nix
index 82ad7c2..2fc52a9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -39,31 +39,28 @@
   outputs =
     { self
     , nixpkgs
-    , nixos-hardware
     , deploy-rs
     , darwin
     , flake-utils
     , home-manager
-    , sops-nix
     , devenv
-    , dotfiles
     , workon
     , ...
     }@inputs:
     let
       overlays = [
-        (self: super: {
+        (self: _super: {
           workon = workon.packages.${self.system}.default;
-          devenv = devenv.packages.${self.system}.devenv;
+          inherit (devenv.packages.${self.system}) devenv;
         })
       ];
 
       mkSystem = hostName: system: modules:
         nixpkgs.lib.nixosSystem {
-          system = system;
+          inherit system;
           modules = [
             home-manager.nixosModules.home-manager
-            ({ config, ... }: {
+            (_: {
               networking.hostName = hostName;
               nixpkgs.overlays = overlays;
             })
@@ -72,10 +69,10 @@
         };
       mkDarwin = hostName: system: modules:
         darwin.lib.darwinSystem {
-          system = system;
+          inherit system;
           modules = [
             home-manager.darwinModules.home-manager
-            ({ config, ... }: {
+            (_: {
               networking.hostName = hostName;
               nixpkgs.overlays = overlays;
             })
@@ -103,7 +100,9 @@
               languages.nix.enable = true;
 
               pre-commit.hooks = {
+                deadnix.enable = true;
                 nixpkgs-fmt.enable = true;
+                statix.enable = true;
               };
             }
           ];
diff --git a/hosts/aristotle/configuration.nix b/hosts/aristotle/configuration.nix
index 4c0e1ff..2594ae7 100644
--- a/hosts/aristotle/configuration.nix
+++ b/hosts/aristotle/configuration.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, nixos-hardware, ... }:
+{ pkgs, nixos-hardware, ... }:
 
 {
   imports = [
diff --git a/hosts/aristotle/hardware-configuration.nix b/hosts/aristotle/hardware-configuration.nix
index 3285e7b..5aef844 100644
--- a/hosts/aristotle/hardware-configuration.nix
+++ b/hosts/aristotle/hardware-configuration.nix
@@ -1,7 +1,7 @@
 # Do not modify this file!  It was generated by ‘nixos-generate-config’
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
+{ lib, modulesPath, ... }:
 
 {
   imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
diff --git a/hosts/epicurus/darwin-configuration.nix b/hosts/epicurus/darwin-configuration.nix
index a217c0f..5f2ce7d 100644
--- a/hosts/epicurus/darwin-configuration.nix
+++ b/hosts/epicurus/darwin-configuration.nix
@@ -27,8 +27,8 @@
 
   nixpkgs.config.packageOverrides = pkgs: {
     haskellPackages = pkgs.haskellPackages.override {
-      overrides = self: super: {
-        niv = pkgs.haskell.lib.overrideCabal super.niv (drv: {
+      overrides = _self: super: {
+        niv = pkgs.haskell.lib.overrideCabal super.niv (_drv: {
           enableSeparateBinOutput = false;
         });
       };
diff --git a/hosts/epicurus/homebrew.nix b/hosts/epicurus/homebrew.nix
index 94dce06..fba6dc4 100644
--- a/hosts/epicurus/homebrew.nix
+++ b/hosts/epicurus/homebrew.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+_:
 
 {
   homebrew = {
diff --git a/hosts/heraclitus/darwin-configuration.nix b/hosts/heraclitus/darwin-configuration.nix
index 7768c00..26afee3 100644
--- a/hosts/heraclitus/darwin-configuration.nix
+++ b/hosts/heraclitus/darwin-configuration.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, dotfiles, ... }:
+{ config, pkgs, dotfiles, ... }:
 {
   imports = [
     ./homebrew.nix
diff --git a/hosts/heraclitus/homebrew.nix b/hosts/heraclitus/homebrew.nix
index 04b352e..ec32387 100644
--- a/hosts/heraclitus/homebrew.nix
+++ b/hosts/heraclitus/homebrew.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+_:
 
 {
   homebrew = {
diff --git a/hosts/plato/configuration.nix b/hosts/plato/configuration.nix
index 351f95d..88fa842 100644
--- a/hosts/plato/configuration.nix
+++ b/hosts/plato/configuration.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, home-manager, ... }: {
+{ config, pkgs, ... }: {
   imports = [
     # Include the results of the hardware scan.
     ./hardware-configuration.nix
diff --git a/hosts/plato/hardware-configuration.nix b/hosts/plato/hardware-configuration.nix
index d89f32f..e117e67 100644
--- a/hosts/plato/hardware-configuration.nix
+++ b/hosts/plato/hardware-configuration.nix
@@ -1,7 +1,7 @@
 # Do not modify this file!  It was generated by ‘nixos-generate-config’
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
+{ config, modulesPath, ... }:
 
 {
   imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
diff --git a/modules/base/darwin.nix b/modules/base/darwin.nix
index 5f06299..8a6f597 100644
--- a/modules/base/darwin.nix
+++ b/modules/base/darwin.nix
@@ -1,4 +1,4 @@
-{ pkgs, config, ... }: {
+_: {
 
   nix = {
     configureBuildUsers = true;
diff --git a/modules/base/default.nix b/modules/base/default.nix
index 52dd0ee..5da7218 100644
--- a/modules/base/default.nix
+++ b/modules/base/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, config, ... }: {
+{ pkgs, ... }: {
   environment.systemPackages = with pkgs; [
     inetutils
     vim
diff --git a/modules/builder/default.nix b/modules/builder/default.nix
index 6c74d61..9d99ae3 100644
--- a/modules/builder/default.nix
+++ b/modules/builder/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+_:
 {
   nix.distributedBuilds = true;
   nix.buildMachines = [{
diff --git a/modules/code-server/default.nix b/modules/code-server/default.nix
index 65afa95..83cbc02 100644
--- a/modules/code-server/default.nix
+++ b/modules/code-server/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ pkgs, ... }:
 
 {
   environment.systemPackages = with pkgs; [ code-server ];
diff --git a/modules/code-server/nginx.nix b/modules/code-server/nginx.nix
index 40a9ba8..a5860ca 100644
--- a/modules/code-server/nginx.nix
+++ b/modules/code-server/nginx.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+_:
 
 {
   services.nginx = {
diff --git a/modules/coredns/default.nix b/modules/coredns/default.nix
index d9b0d79..a5b4229 100644
--- a/modules/coredns/default.nix
+++ b/modules/coredns/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, ... }:
 with lib;
 
 let cfg = config.walkah.coredns;
diff --git a/modules/dev/default.nix b/modules/dev/default.nix
index c6ef735..cb764f1 100644
--- a/modules/dev/default.nix
+++ b/modules/dev/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ pkgs, ... }:
 
 {
   environment.systemPackages = with pkgs; [
diff --git a/modules/drone/nginx.nix b/modules/drone/nginx.nix
index 58f7f34..6253209 100644
--- a/modules/drone/nginx.nix
+++ b/modules/drone/nginx.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+_:
 
 {
   services.nginx = {
diff --git a/modules/drone/runner-docker.nix b/modules/drone/runner-docker.nix
index 7ea0c81..6f9c35c 100644
--- a/modules/drone/runner-docker.nix
+++ b/modules/drone/runner-docker.nix
@@ -1,4 +1,4 @@
-{ pkgs, config, lib, ... }: {
+{ pkgs, config, ... }: {
   systemd.services.drone-runner-docker = {
     wantedBy = [ "multi-user.target" ];
     serviceConfig = {
diff --git a/modules/drone/runner-exec.nix b/modules/drone/runner-exec.nix
index 07f7672..c3d8aff 100644
--- a/modules/drone/runner-exec.nix
+++ b/modules/drone/runner-exec.nix
@@ -1,7 +1,4 @@
-{ pkgs, config, lib, ... }:
-let
-  droneserver = config.users.users.droneserver.name;
-in
+{ pkgs, config, ... }:
 {
   nix.settings.allowed-users = [ "drone-runner-exec" ];
   systemd.services.drone-runner-exec = {
diff --git a/modules/gitea/default.nix b/modules/gitea/default.nix
index aad170c..f06d926 100644
--- a/modules/gitea/default.nix
+++ b/modules/gitea/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ config, ... }:
 
 let cfg = config.services.gitea;
 in
diff --git a/modules/gitea/nginx.nix b/modules/gitea/nginx.nix
index c7e9508..3129348 100644
--- a/modules/gitea/nginx.nix
+++ b/modules/gitea/nginx.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+_:
 
 {
   services.nginx = {
diff --git a/modules/home-assistant/nginx.nix b/modules/home-assistant/nginx.nix
index 368f375..f3f7127 100644
--- a/modules/home-assistant/nginx.nix
+++ b/modules/home-assistant/nginx.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+_:
 
 {
   services.nginx = {
diff --git a/modules/ipfs/cluster.nix b/modules/ipfs/cluster.nix
index 5635649..453c6bc 100644
--- a/modules/ipfs/cluster.nix
+++ b/modules/ipfs/cluster.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ config, ... }:
 
 {
   imports = [
diff --git a/modules/ipfs/default.nix b/modules/ipfs/default.nix
index e161d95..654d7c3 100644
--- a/modules/ipfs/default.nix
+++ b/modules/ipfs/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ pkgs, ... }:
 
 {
   environment.systemPackages = with pkgs; [ ipfs-migrator ];
diff --git a/modules/ipfs/gateway.nix b/modules/ipfs/gateway.nix
index 90f87bc..8c288b3 100644
--- a/modules/ipfs/gateway.nix
+++ b/modules/ipfs/gateway.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ pkgs, ... }:
 
 let
   peers = [
diff --git a/modules/matrix/default.nix b/modules/matrix/default.nix
index ed3a79d..4e054f9 100644
--- a/modules/matrix/default.nix
+++ b/modules/matrix/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ config, pkgs, ... }:
 
 {
   services = {
diff --git a/modules/matrix/nginx.nix b/modules/matrix/nginx.nix
index d6a5b44..3ef5ec4 100644
--- a/modules/matrix/nginx.nix
+++ b/modules/matrix/nginx.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ pkgs, ... }:
 
 {
   services.nginx = {
diff --git a/modules/minecraft/default.nix b/modules/minecraft/default.nix
index 9fe3fe3..9bbed34 100644
--- a/modules/minecraft/default.nix
+++ b/modules/minecraft/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }: {
+_: {
 
   services.minecraft-server = {
     enable = true;
diff --git a/modules/minecraft/proxy.nix b/modules/minecraft/proxy.nix
index d4f221d..abbaa37 100644
--- a/modules/minecraft/proxy.nix
+++ b/modules/minecraft/proxy.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ pkgs, ... }:
 let
   dest_ip = "100.111.208.75";
 in
diff --git a/modules/pleroma/default.nix b/modules/pleroma/default.nix
index 84531cb..b6d24cb 100644
--- a/modules/pleroma/default.nix
+++ b/modules/pleroma/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+_:
 
 {
   services = {
diff --git a/modules/pleroma/nginx.nix b/modules/pleroma/nginx.nix
index 73e6181..f02ad46 100644
--- a/modules/pleroma/nginx.nix
+++ b/modules/pleroma/nginx.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+_:
 
 {
   services.nginx = {
diff --git a/modules/traefik/default.nix b/modules/traefik/default.nix
index 417ae26..0443b7d 100644
--- a/modules/traefik/default.nix
+++ b/modules/traefik/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ config, ... }:
 
 {
   services.traefik = {
diff --git a/overlays/default.nix b/overlays/default.nix
index ddb4f23..d66d809 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -1 +1 @@
-self: super: { }
+_self: _super: { }
diff --git a/services/ipfs-cluster.nix b/services/ipfs-cluster.nix
index 905041a..d09e196 100644
--- a/services/ipfs-cluster.nix
+++ b/services/ipfs-cluster.nix
@@ -3,7 +3,6 @@
 with lib;
 let
   cfg = config.services.ipfs-cluster;
-  opt = options.services.ipfs-cluster;
 
   # secret is by envvar, not flag
   initFlags = toString [
diff --git a/users/default.nix b/users/default.nix
index dd93d5a..7ba6e59 100644
--- a/users/default.nix
+++ b/users/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ ... }:
 
 {
   imports = [ ./walkah.nix ];
diff --git a/users/walkah.nix b/users/walkah.nix
index c5c24fd..2bc52bf 100644
--- a/users/walkah.nix
+++ b/users/walkah.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, dotfiles, ... }:
+{ pkgs, dotfiles, ... }:
 
 {
   users.users.walkah = {