diff --git a/modules/core/podman.nix b/modules/core/podman.nix
index 625d25b..9927a43 100644
--- a/modules/core/podman.nix
+++ b/modules/core/podman.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ pkgs, ... }:
 {
   # From: https://nixos.wiki/wiki/Podman
   virtualisation.containers.enable = true;
diff --git a/modules/decisions.nix b/modules/decisions.nix
index c3e0c2e..c19085d 100644
--- a/modules/decisions.nix
+++ b/modules/decisions.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ config, ... }:
 let
   domain = "decisions.${config.networking.domain}";
 in
diff --git a/modules/keycloak/default.nix b/modules/keycloak/default.nix
index f3b88ce..398c851 100644
--- a/modules/keycloak/default.nix
+++ b/modules/keycloak/default.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, lib, ... }:
+{ config, pkgs, ... }:
 let
   domain = "sso.${config.networking.domain}";
 in
diff --git a/modules/ldap/default.nix b/modules/ldap/default.nix
index 85ba359..9b725c7 100644
--- a/modules/ldap/default.nix
+++ b/modules/ldap/default.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, system, ... }:
+{ config, pkgs, ... }:
 let
   domain = "auth.${config.networking.domain}";
   seedSettings = {
diff --git a/modules/web/hyperilo.nix b/modules/web/hyperilo.nix
index d0c705c..7e73f27 100644
--- a/modules/web/hyperilo.nix
+++ b/modules/web/hyperilo.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ ... }:
 
 {
   # provide access to iLO of colocated server
diff --git a/overlays/default.nix b/overlays/default.nix
index d045017..9ee0bf2 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -1,7 +1,6 @@
 _final: prev:
 let
   inherit (prev) fetchurl;
-  inherit (prev) fetchFromGitHub;
   inherit (prev) callPackage;
 in
 {
@@ -29,8 +28,8 @@ in
   # https://gitlab.com/mailman/mailman/-/issues/1137
   # https://github.com/NixOS/nixpkgs/pull/321136
   pythonPackagesExtensions = prev.pythonPackagesExtensions ++ [
-    (python-final: python-prev: {
-      readme-renderer = python-prev.readme-renderer.overridePythonAttrs (oldAttrs: {
+    (_python-final: python-prev: {
+      readme-renderer = python-prev.readme-renderer.overridePythonAttrs (_oldAttrs: {
         propagatedBuildInputs = [ python-prev.cmarkgfm ];
       });
     })