diff --git a/modules/security/mitigations.nix b/modules/security/mitigations.nix
index 9a5766d9..33e8b13e 100644
--- a/modules/security/mitigations.nix
+++ b/modules/security/mitigations.nix
@@ -1,4 +1,4 @@
-{ config, lib, options, ... }:
+{ config, lib, ... }:
 with lib;
 let
   inherit (builtins) readFile fetchurl;
diff --git a/modules/services/games/gamemode.nix b/modules/services/games/gamemode.nix
index 90d9bcf9..7a47348b 100644
--- a/modules/services/games/gamemode.nix
+++ b/modules/services/games/gamemode.nix
@@ -1,4 +1,4 @@
-{ config, lib, options, pkgs, ... }:
+{ config, lib, pkgs, ... }:
 
 with lib;
 
diff --git a/overlays/pcsx2.nix b/overlays/pcsx2.nix
index 2af77604..a8bace87 100644
--- a/overlays/pcsx2.nix
+++ b/overlays/pcsx2.nix
@@ -1,6 +1,7 @@
-final: prev: {
-  pcsx2 = prev.pcsx2.overrideAttrs (o: rec {
-    version = "1.6.0";
+let version = "1.6.0";
+in final: prev: {
+  pcsx2 = prev.pcsx2.overrideAttrs (o: {
+    inherit version;
     src = prev.fetchFromGitHub {
       owner = "PCSX2";
       repo = "pcsx2";
diff --git a/overlays/retroarch.nix b/overlays/retroarch.nix
index 378b0660..b69b4ede 100644
--- a/overlays/retroarch.nix
+++ b/overlays/retroarch.nix
@@ -1,6 +1,7 @@
-final: prev: {
-  retroarchBare = prev.retroarchBare.overrideAttrs (o: rec {
-    version = "1.8.9";
+let version = "1.8.9";
+in final: prev: {
+  retroarchBare = prev.retroarchBare.overrideAttrs (o: {
+    inherit version;
 
     src = prev.fetchFromGitHub {
       owner = "libretro";
diff --git a/pkgs/applications/display-managers/sddm/themes/chili/default.nix b/pkgs/applications/display-managers/sddm/themes/chili/default.nix
index e013bcf0..7b35990b 100644
--- a/pkgs/applications/display-managers/sddm/themes/chili/default.nix
+++ b/pkgs/applications/display-managers/sddm/themes/chili/default.nix
@@ -1,7 +1,8 @@
 { stdenv, fetchFromGitHub, ... }:
-stdenv.mkDerivation rec {
+let version = "0.1.5";
+in stdenv.mkDerivation {
   pname = "sddm-chili";
-  version = "0.1.5";
+  inherit version;
 
   src = fetchFromGitHub {
     owner = "MarianArlt";
diff --git a/pkgs/data/fonts/dejavu-nerdfont/default.nix b/pkgs/data/fonts/dejavu-nerdfont/default.nix
index ad0e4b9e..9e36e001 100644
--- a/pkgs/data/fonts/dejavu-nerdfont/default.nix
+++ b/pkgs/data/fonts/dejavu-nerdfont/default.nix
@@ -1,8 +1,9 @@
-{ stdenv, fetchzip }:
+let version = "2.0.0";
+in { stdenv, fetchzip }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   pname = "dejavu-nerdfont";
-  version = "2.0.0";
+  inherit version;
 
   src = fetchzip {
     url =
diff --git a/pkgs/development/libraries/libinih/default.nix b/pkgs/development/libraries/libinih/default.nix
index 19b12e07..5e4789a4 100644
--- a/pkgs/development/libraries/libinih/default.nix
+++ b/pkgs/development/libraries/libinih/default.nix
@@ -1,8 +1,8 @@
 { stdenv, meson, ninja, fetchFromGitHub, ... }:
-
-stdenv.mkDerivation rec {
+let version = "r50";
+in stdenv.mkDerivation {
   pname = "libinih";
-  version = "r50";
+  inherit version;
 
   src = fetchFromGitHub {
     owner = "benhoyt";
diff --git a/pkgs/os-specific/linux/gamemode/default.nix b/pkgs/os-specific/linux/gamemode/default.nix
index daf718b4..547af854 100644
--- a/pkgs/os-specific/linux/gamemode/default.nix
+++ b/pkgs/os-specific/linux/gamemode/default.nix
@@ -1,9 +1,10 @@
-{ stdenv, appstream, meson, ninja, pkgsi686Linux, polkit, pkgconfig, systemd
-, dbus, libinih, fetchFromGitHub, ... }:
+let version = "1.5.1";
+in { stdenv, meson, ninja, polkit, pkgconfig, systemd, dbus, libinih
+, fetchFromGitHub, ... }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   pname = "gamemode";
-  version = "1.5.1";
+  inherit version;
 
   src = fetchFromGitHub {
     owner = "FeralInteractive";
diff --git a/pkgs/shells/zsh/pure/default.nix b/pkgs/shells/zsh/pure/default.nix
index 458f9c00..f7139753 100644
--- a/pkgs/shells/zsh/pure/default.nix
+++ b/pkgs/shells/zsh/pure/default.nix
@@ -1,8 +1,8 @@
-{ stdenv, fetchFromGitHub, openssl, pkgconfig, rustPlatform }:
-
-stdenv.mkDerivation rec {
+{ stdenv, fetchFromGitHub }:
+let version = "0e87bd8";
+in stdenv.mkDerivation {
   pname = "pure";
-  version = "0e87bd8";
+  inherit version;
 
   srcs = fetchFromGitHub {
     owner = "sindresorhus";
diff --git a/profiles/core.nix b/profiles/core.nix
index 4bbd3bed..70fbaa5d 100644
--- a/profiles/core.nix
+++ b/profiles/core.nix
@@ -37,7 +37,7 @@ in {
     '';
 
     shellAliases =
-      let ifSudo = string: lib.mkIf config.security.sudo.enable string;
+      let ifSudo = lib.mkIf config.security.sudo.enable;
       in {
         # quick cd
         ".." = "cd ..";
diff --git a/profiles/graphical/default.nix b/profiles/graphical/default.nix
index 586afcc6..67486cdf 100644
--- a/profiles/graphical/default.nix
+++ b/profiles/graphical/default.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ pkgs, ... }:
 let inherit (builtins) readFile;
 in {
   imports = [ ./sway ../develop ./xmonad ../networkmanager ../im ];
diff --git a/profiles/graphical/xmonad/_xmonad.nix b/profiles/graphical/xmonad/_xmonad.nix
index 7d6ab1a3..5e28115c 100644
--- a/profiles/graphical/xmonad/_xmonad.nix
+++ b/profiles/graphical/xmonad/_xmonad.nix
@@ -1,4 +1,4 @@
-{ autostart, screenshots, touchtoggle, pkgs, stoggle, volnoti }:
+{ autostart, screenshots, pkgs, stoggle, volnoti }:
 let inherit (pkgs) alsaUtils;
 in ''
   -- Function for fullscreen toggle
diff --git a/profiles/misc/stubby.nix b/profiles/misc/stubby.nix
index 81a4b1d9..4f7de051 100644
--- a/profiles/misc/stubby.nix
+++ b/profiles/misc/stubby.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }: {
+{ ... }: {
   services.stubby = {
     enable = true;
     upstreamServers = ''
diff --git a/profiles/postgres/default.nix b/profiles/postgres/default.nix
index fb9f8774..8f9c7fed 100644
--- a/profiles/postgres/default.nix
+++ b/profiles/postgres/default.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, ... }: {
+{ pkgs, ... }: {
   services.postgresql = {
     enable = true;
     dataDir = "/srv/postgres";
diff --git a/profiles/virt/default.nix b/profiles/virt/default.nix
index f6d7f9ce..f8c7f1c2 100644
--- a/profiles/virt/default.nix
+++ b/profiles/virt/default.nix
@@ -14,7 +14,7 @@
       libvirt = if prev.libvirt.version <= "5.4.0" && prev.ebtables.version
       > "2.0.10-4" then
         prev.libvirt.overrideAttrs
-        (oldAttrs: { EBTABLES_PATH = "${final.ebtables}/bin/ebtables-legacy"; })
+        (o: { EBTABLES_PATH = "${final.ebtables}/bin/ebtables-legacy"; })
       else
         prev.libvirt;
     };