diff --git a/modules/core/default.nix b/modules/core/default.nix
index 37b048a..64d4c76 100644
--- a/modules/core/default.nix
+++ b/modules/core/default.nix
@@ -13,25 +13,29 @@
     ./users.nix
   ];
 
-  options.pub-solar-os = with lib; {
-    adminEmail = mkOption {
-      description = "Email address to use for administrative stuff like ACME";
-      type = types.str;
-      default = "admins@pub.solar";
-    };
+  options.pub-solar-os =
+    let
+      inherit (lib) mkOption types;
+    in
+    {
+      adminEmail = mkOption {
+        description = "Email address to use for administrative stuff like ACME";
+        type = types.str;
+        default = "admins@pub.solar";
+      };
 
-    privacyPolicyUrl = mkOption {
-      description = "URL of the privacy policy. Used to link there from applications";
-      type = types.str;
-      default = "https://pub.solar/privacy";
-    };
+      privacyPolicyUrl = mkOption {
+        description = "URL of the privacy policy. Used to link there from applications";
+        type = types.str;
+        default = "https://pub.solar/privacy";
+      };
 
-    imprintUrl = mkOption {
-      description = "URL of the imprint. Used to link there from applications";
-      type = types.str;
-      default = "https://pub.solar/about";
+      imprintUrl = mkOption {
+        description = "URL of the imprint. Used to link there from applications";
+        type = types.str;
+        default = "https://pub.solar/about";
+      };
     };
-  };
 
   config = {
     environment = {
diff --git a/modules/core/networking.nix b/modules/core/networking.nix
index 5351c30..765fdd4 100644
--- a/modules/core/networking.nix
+++ b/modules/core/networking.nix
@@ -5,18 +5,22 @@
   ...
 }:
 {
-  options.pub-solar-os.networking = with lib; {
-    domain = mkOption {
-      description = "domain on which all services should run. This defaults to pub.solar";
-      type = types.str;
-      default = "pub.solar";
-    };
+  options.pub-solar-os.networking =
+    let
+      inherit (lib) mkOption types;
+    in
+    {
+      domain = mkOption {
+        description = "domain on which all services should run. This defaults to pub.solar";
+        type = types.str;
+        default = "pub.solar";
+      };
 
-    defaultInterface = mkOption {
-      description = "Network interface which should be used as the default internet-connected one";
-      type = types.nullOr types.str;
+      defaultInterface = mkOption {
+        description = "Network interface which should be used as the default internet-connected one";
+        type = types.nullOr types.str;
+      };
     };
-  };
 
   config = {
 
@@ -41,7 +45,7 @@
         # This breaks compatibilty with clients that do not offer these MACs. For
         # compatibility reasons, we add back the old defaults.
         # See: https://github.com/NixOS/nixpkgs/pull/231165
-        # 
+        #
         # https://blog.stribik.technology/2015/01/04/secure-secure-shell.html
         # https://infosec.mozilla.org/guidelines/openssh#modern-openssh-67
         Macs = [
diff --git a/modules/core/users.nix b/modules/core/users.nix
index 1ade4eb..5ff7945 100644
--- a/modules/core/users.nix
+++ b/modules/core/users.nix
@@ -6,37 +6,41 @@
   ...
 }:
 {
-  options.pub-solar-os.authentication = with lib; {
-    username = mkOption {
-      description = "Username for the adminstrative user";
-      type = types.str;
-      default = flake.self.username;
-    };
+  options.pub-solar-os.authentication =
+    let
+      inherit (lib) mkOption types;
+    in
+    {
+      username = mkOption {
+        description = "Username for the adminstrative user";
+        type = types.str;
+        default = flake.self.username;
+      };
 
-    sshPubKeys = mkOption {
-      description = "SSH Keys that should have administrative root access";
-      type = types.listOf types.str;
-      default = flake.self.logins.admins.sshPubKeys;
-    };
+      sshPubKeys = mkOption {
+        description = "SSH Keys that should have administrative root access";
+        type = types.listOf types.str;
+        default = flake.self.logins.admins.sshPubKeys;
+      };
 
-    root.initialHashedPassword = mkOption {
-      description = "Hashed password of the root account";
-      type = types.str;
-      default = "$y$j9T$bIN6GjQkmPMllOcQsq52K0$q0Z5B5.KW/uxXK9fItB8H6HO79RYAcI/ZZdB0Djke32";
-    };
+      root.initialHashedPassword = mkOption {
+        description = "Hashed password of the root account";
+        type = types.str;
+        default = "$y$j9T$bIN6GjQkmPMllOcQsq52K0$q0Z5B5.KW/uxXK9fItB8H6HO79RYAcI/ZZdB0Djke32";
+      };
 
-    robot.username = mkOption {
-      description = "username for the robot user";
-      type = types.str;
-      default = "hakkonaut";
-    };
+      robot.username = mkOption {
+        description = "username for the robot user";
+        type = types.str;
+        default = "hakkonaut";
+      };
 
-    robot.sshPubKeys = mkOption {
-      description = "SSH Keys to use for the robot user";
-      type = types.listOf types.str;
-      default = flake.self.logins.robots.sshPubKeys;
+      robot.sshPubKeys = mkOption {
+        description = "SSH Keys to use for the robot user";
+        type = types.listOf types.str;
+        default = flake.self.logins.robots.sshPubKeys;
+      };
     };
-  };
 
   config = {
     users.users.${config.pub-solar-os.authentication.username} = {
diff --git a/modules/keycloak/default.nix b/modules/keycloak/default.nix
index bae4a91..d3a5f1e 100644
--- a/modules/keycloak/default.nix
+++ b/modules/keycloak/default.nix
@@ -6,12 +6,12 @@
   ...
 }:
 {
-  options.pub-solar-os.auth = with lib; {
-    enable = mkEnableOption "Enable keycloak to run on the node";
+  options.pub-solar-os.auth = {
+    enable = lib.mkEnableOption "Enable keycloak to run on the node";
 
-    realm = mkOption {
+    realm = lib.mkOption {
       description = "Name of the realm";
-      type = types.str;
+      type = lib.types.str;
       default = config.pub-solar-os.networking.domain;
     };
   };