diff --git a/nixos/modules/programs/evince.nix b/nixos/modules/programs/evince.nix
index 671a97e5847c..a27e75e6626d 100644
--- a/nixos/modules/programs/evince.nix
+++ b/nixos/modules/programs/evince.nix
@@ -2,8 +2,6 @@
 
 { config, pkgs, lib, ... }:
 
-with lib;
-
 let cfg = config.programs.evince;
 
 in {
@@ -14,9 +12,9 @@ in {
 
     programs.evince = {
 
-      enable = mkEnableOption "Evince, the GNOME document viewer";
+      enable = lib.mkEnableOption "Evince, the GNOME document viewer";
 
-      package = mkPackageOption pkgs "evince" { };
+      package = lib.mkPackageOption pkgs "evince" { };
 
     };
 
@@ -25,7 +23,7 @@ in {
 
   ###### implementation
 
-  config = mkIf config.programs.evince.enable {
+  config = lib.mkIf config.programs.evince.enable {
 
     environment.systemPackages = [ cfg.package ];
 
diff --git a/nixos/modules/programs/file-roller.nix b/nixos/modules/programs/file-roller.nix
index 78e4d9942b61..f64bd732855b 100644
--- a/nixos/modules/programs/file-roller.nix
+++ b/nixos/modules/programs/file-roller.nix
@@ -2,8 +2,6 @@
 
 { config, pkgs, lib, ... }:
 
-with lib;
-
 let cfg = config.programs.file-roller;
 
 in {
@@ -14,9 +12,9 @@ in {
 
     programs.file-roller = {
 
-      enable = mkEnableOption "File Roller, an archive manager for GNOME";
+      enable = lib.mkEnableOption "File Roller, an archive manager for GNOME";
 
-      package = mkPackageOption pkgs [ "gnome" "file-roller" ] { };
+      package = lib.mkPackageOption pkgs [ "gnome" "file-roller" ] { };
 
     };
 
@@ -25,7 +23,7 @@ in {
 
   ###### implementation
 
-  config = mkIf cfg.enable {
+  config = lib.mkIf cfg.enable {
 
     environment.systemPackages = [ cfg.package ];
 
diff --git a/nixos/modules/programs/gnome-disks.nix b/nixos/modules/programs/gnome-disks.nix
index cc29a901432d..954f1fd9bc07 100644
--- a/nixos/modules/programs/gnome-disks.nix
+++ b/nixos/modules/programs/gnome-disks.nix
@@ -2,12 +2,10 @@
 
 { config, pkgs, lib, ... }:
 
-with lib;
-
 {
 
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
@@ -16,8 +14,8 @@ with lib;
 
     programs.gnome-disks = {
 
-      enable = mkOption {
-        type = types.bool;
+      enable = lib.mkOption {
+        type = lib.types.bool;
         default = false;
         description = ''
           Whether to enable GNOME Disks daemon, a program designed to
@@ -32,7 +30,7 @@ with lib;
 
   ###### implementation
 
-  config = mkIf config.programs.gnome-disks.enable {
+  config = lib.mkIf config.programs.gnome-disks.enable {
 
     environment.systemPackages = [ pkgs.gnome.gnome-disk-utility ];
 
diff --git a/nixos/modules/programs/gnome-terminal.nix b/nixos/modules/programs/gnome-terminal.nix
index c1a3589ec968..a5dda83edd11 100644
--- a/nixos/modules/programs/gnome-terminal.nix
+++ b/nixos/modules/programs/gnome-terminal.nix
@@ -2,8 +2,6 @@
 
 { config, pkgs, lib, ... }:
 
-with lib;
-
 let
 
   cfg = config.programs.gnome-terminal;
@@ -13,14 +11,14 @@ in
 {
 
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   options = {
-    programs.gnome-terminal.enable = mkEnableOption "GNOME Terminal";
+    programs.gnome-terminal.enable = lib.mkEnableOption "GNOME Terminal";
   };
 
-  config = mkIf cfg.enable {
+  config = lib.mkIf cfg.enable {
     environment.systemPackages = [ pkgs.gnome.gnome-terminal ];
     services.dbus.packages = [ pkgs.gnome.gnome-terminal ];
     systemd.packages = [ pkgs.gnome.gnome-terminal ];
diff --git a/nixos/modules/programs/gpaste.nix b/nixos/modules/programs/gpaste.nix
index 38dc0488c68a..32b81434bdd9 100644
--- a/nixos/modules/programs/gpaste.nix
+++ b/nixos/modules/programs/gpaste.nix
@@ -1,15 +1,13 @@
 # GPaste.
 { config, lib, pkgs, ... }:
 
-with lib;
-
 {
 
   ###### interface
   options = {
      programs.gpaste = {
-      enable = mkOption {
-        type = types.bool;
+      enable = lib.mkOption {
+        type = lib.types.bool;
         default = false;
         description = ''
           Whether to enable GPaste, a clipboard manager.
@@ -19,7 +17,7 @@ with lib;
   };
 
   ###### implementation
-  config = mkIf config.programs.gpaste.enable {
+  config = lib.mkIf config.programs.gpaste.enable {
     environment.systemPackages = [ pkgs.gnome.gpaste ];
     services.dbus.packages = [ pkgs.gnome.gpaste ];
     systemd.packages = [ pkgs.gnome.gpaste ];
diff --git a/nixos/modules/programs/seahorse.nix b/nixos/modules/programs/seahorse.nix
index b784c340701c..53fff50e0a8b 100644
--- a/nixos/modules/programs/seahorse.nix
+++ b/nixos/modules/programs/seahorse.nix
@@ -2,8 +2,6 @@
 
 { config, pkgs, lib, ... }:
 
-with lib;
-
 {
 
   ###### interface
@@ -12,7 +10,7 @@ with lib;
 
     programs.seahorse = {
 
-      enable = mkEnableOption "Seahorse, a GNOME application for managing encryption keys and passwords in the GNOME Keyring";
+      enable = lib.mkEnableOption "Seahorse, a GNOME application for managing encryption keys and passwords in the GNOME Keyring";
 
     };
 
@@ -21,9 +19,9 @@ with lib;
 
   ###### implementation
 
-  config = mkIf config.programs.seahorse.enable {
+  config = lib.mkIf config.programs.seahorse.enable {
 
-    programs.ssh.askPassword = mkDefault "${pkgs.gnome.seahorse}/libexec/seahorse/ssh-askpass";
+    programs.ssh.askPassword = lib.mkDefault "${pkgs.gnome.seahorse}/libexec/seahorse/ssh-askpass";
 
     environment.systemPackages = [
       pkgs.gnome.seahorse
diff --git a/nixos/modules/services/desktops/gnome/at-spi2-core.nix b/nixos/modules/services/desktops/gnome/at-spi2-core.nix
index a9abc6c2ccab..6ed5b198fe4f 100644
--- a/nixos/modules/services/desktops/gnome/at-spi2-core.nix
+++ b/nixos/modules/services/desktops/gnome/at-spi2-core.nix
@@ -2,12 +2,10 @@
 
 { config, lib, pkgs, ... }:
 
-with lib;
-
 {
 
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
@@ -15,8 +13,8 @@ with lib;
 
     services.gnome.at-spi2-core = {
 
-      enable = mkOption {
-        type = types.bool;
+      enable = lib.mkOption {
+        type = lib.types.bool;
         default = false;
         description = ''
           Whether to enable at-spi2-core, a service for the Assistive Technologies
@@ -34,14 +32,14 @@ with lib;
 
   ###### implementation
 
-  config = mkMerge [
-    (mkIf config.services.gnome.at-spi2-core.enable {
+  config = lib.mkMerge [
+    (lib.mkIf config.services.gnome.at-spi2-core.enable {
       environment.systemPackages = [ pkgs.at-spi2-core ];
       services.dbus.packages = [ pkgs.at-spi2-core ];
       systemd.packages = [ pkgs.at-spi2-core ];
     })
 
-    (mkIf (!config.services.gnome.at-spi2-core.enable) {
+    (lib.mkIf (!config.services.gnome.at-spi2-core.enable) {
       environment.sessionVariables = {
         NO_AT_BRIDGE = "1";
         GTK_A11Y = "none";
diff --git a/nixos/modules/services/desktops/gnome/evolution-data-server.nix b/nixos/modules/services/desktops/gnome/evolution-data-server.nix
index 6239d164c635..a43e8dadb421 100644
--- a/nixos/modules/services/desktops/gnome/evolution-data-server.nix
+++ b/nixos/modules/services/desktops/gnome/evolution-data-server.nix
@@ -2,12 +2,10 @@
 
 { config, lib, pkgs, ... }:
 
-with lib;
-
 {
 
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
@@ -15,19 +13,19 @@ with lib;
   options = {
 
     services.gnome.evolution-data-server = {
-      enable = mkEnableOption "Evolution Data Server, a collection of services for storing addressbooks and calendars";
-      plugins = mkOption {
-        type = types.listOf types.package;
+      enable = lib.mkEnableOption "Evolution Data Server, a collection of services for storing addressbooks and calendars";
+      plugins = lib.mkOption {
+        type = lib.types.listOf lib.types.package;
         default = [ ];
         description = "Plugins for Evolution Data Server.";
       };
     };
     programs.evolution = {
-      enable = mkEnableOption "Evolution, a Personal information management application that provides integrated mail, calendaring and address book functionality";
-      plugins = mkOption {
-        type = types.listOf types.package;
+      enable = lib.mkEnableOption "Evolution, a Personal information management application that provides integrated mail, calendaring and address book functionality";
+      plugins = lib.mkOption {
+        type = lib.types.listOf lib.types.package;
         default = [ ];
-        example = literalExpression "[ pkgs.evolution-ews ]";
+        example = lib.literalExpression "[ pkgs.evolution-ews ]";
         description = "Plugins for Evolution.";
       };
 
@@ -40,15 +38,15 @@ with lib;
     let
       bundle = pkgs.evolutionWithPlugins.override { inherit (config.services.gnome.evolution-data-server) plugins; };
     in
-    mkMerge [
-      (mkIf config.services.gnome.evolution-data-server.enable {
+    lib.mkMerge [
+      (lib.mkIf config.services.gnome.evolution-data-server.enable {
         environment.systemPackages = [ bundle ];
 
         services.dbus.packages = [ bundle ];
 
         systemd.packages = [ bundle ];
       })
-      (mkIf config.programs.evolution.enable {
+      (lib.mkIf config.programs.evolution.enable {
         services.gnome.evolution-data-server = {
           enable = true;
           plugins = [ pkgs.evolution ] ++ config.programs.evolution.plugins;
diff --git a/nixos/modules/services/desktops/gnome/glib-networking.nix b/nixos/modules/services/desktops/gnome/glib-networking.nix
index ab2d688567a5..905901f47084 100644
--- a/nixos/modules/services/desktops/gnome/glib-networking.nix
+++ b/nixos/modules/services/desktops/gnome/glib-networking.nix
@@ -2,12 +2,10 @@
 
 { config, pkgs, lib, ... }:
 
-with lib;
-
 {
 
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
@@ -16,7 +14,7 @@ with lib;
 
     services.gnome.glib-networking = {
 
-      enable = mkEnableOption "network extensions for GLib";
+      enable = lib.mkEnableOption "network extensions for GLib";
 
     };
 
@@ -24,7 +22,7 @@ with lib;
 
   ###### implementation
 
-  config = mkIf config.services.gnome.glib-networking.enable {
+  config = lib.mkIf config.services.gnome.glib-networking.enable {
 
     services.dbus.packages = [ pkgs.glib-networking ];
 
diff --git a/nixos/modules/services/desktops/gnome/gnome-initial-setup.nix b/nixos/modules/services/desktops/gnome/gnome-initial-setup.nix
index 085f5b3d57f6..8deb12ec18bf 100644
--- a/nixos/modules/services/desktops/gnome/gnome-initial-setup.nix
+++ b/nixos/modules/services/desktops/gnome/gnome-initial-setup.nix
@@ -2,8 +2,6 @@
 
 { config, pkgs, lib, ... }:
 
-with lib;
-
 let
 
   # GNOME initial setup's run is conditioned on whether
@@ -45,7 +43,7 @@ in
 {
 
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
@@ -54,7 +52,7 @@ in
 
     services.gnome.gnome-initial-setup = {
 
-      enable = mkEnableOption "GNOME Initial Setup, a Simple, easy, and safe way to prepare a new system";
+      enable = lib.mkEnableOption "GNOME Initial Setup, a Simple, easy, and safe way to prepare a new system";
 
     };
 
@@ -63,12 +61,12 @@ in
 
   ###### implementation
 
-  config = mkIf config.services.gnome.gnome-initial-setup.enable {
+  config = lib.mkIf config.services.gnome.gnome-initial-setup.enable {
 
     environment.systemPackages = [
       pkgs.gnome.gnome-initial-setup
     ]
-    ++ optional (versionOlder config.system.stateVersion "20.03") createGisStampFilesAutostart
+    ++ lib.optional (lib.versionOlder config.system.stateVersion "20.03") createGisStampFilesAutostart
     ;
 
     systemd.packages = [
diff --git a/nixos/modules/services/desktops/gnome/gnome-keyring.nix b/nixos/modules/services/desktops/gnome/gnome-keyring.nix
index 049f33475e19..79bce0ade2fc 100644
--- a/nixos/modules/services/desktops/gnome/gnome-keyring.nix
+++ b/nixos/modules/services/desktops/gnome/gnome-keyring.nix
@@ -2,12 +2,10 @@
 
 { config, pkgs, lib, ... }:
 
-with lib;
-
 {
 
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
@@ -16,8 +14,8 @@ with lib;
 
     services.gnome.gnome-keyring = {
 
-      enable = mkOption {
-        type = types.bool;
+      enable = lib.mkOption {
+        type = lib.types.bool;
         default = false;
         description = ''
           Whether to enable GNOME Keyring daemon, a service designed to
@@ -33,7 +31,7 @@ with lib;
 
   ###### implementation
 
-  config = mkIf config.services.gnome.gnome-keyring.enable {
+  config = lib.mkIf config.services.gnome.gnome-keyring.enable {
 
     environment.systemPackages = [ pkgs.gnome.gnome-keyring ];
 
diff --git a/nixos/modules/services/desktops/gnome/gnome-online-accounts.nix b/nixos/modules/services/desktops/gnome/gnome-online-accounts.nix
index 1fa0b4f4b90f..de3c3789594a 100644
--- a/nixos/modules/services/desktops/gnome/gnome-online-accounts.nix
+++ b/nixos/modules/services/desktops/gnome/gnome-online-accounts.nix
@@ -2,12 +2,10 @@
 
 { config, pkgs, lib, ... }:
 
-with lib;
-
 {
 
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
@@ -16,8 +14,8 @@ with lib;
 
     services.gnome.gnome-online-accounts = {
 
-      enable = mkOption {
-        type = types.bool;
+      enable = lib.mkOption {
+        type = lib.types.bool;
         default = false;
         description = ''
           Whether to enable GNOME Online Accounts daemon, a service that provides
@@ -32,7 +30,7 @@ with lib;
 
   ###### implementation
 
-  config = mkIf config.services.gnome.gnome-online-accounts.enable {
+  config = lib.mkIf config.services.gnome.gnome-online-accounts.enable {
 
     environment.systemPackages = [ pkgs.gnome-online-accounts ];
 
diff --git a/nixos/modules/services/desktops/gnome/gnome-online-miners.nix b/nixos/modules/services/desktops/gnome/gnome-online-miners.nix
index 6f7f1992f15e..9496752ed3a2 100644
--- a/nixos/modules/services/desktops/gnome/gnome-online-miners.nix
+++ b/nixos/modules/services/desktops/gnome/gnome-online-miners.nix
@@ -2,12 +2,10 @@
 
 { config, pkgs, lib, ... }:
 
-with lib;
-
 {
 
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
@@ -16,8 +14,8 @@ with lib;
 
     services.gnome.gnome-online-miners = {
 
-      enable = mkOption {
-        type = types.bool;
+      enable = lib.mkOption {
+        type = lib.types.bool;
         default = false;
         description = ''
           Whether to enable GNOME Online Miners, a service that
@@ -32,7 +30,7 @@ with lib;
 
   ###### implementation
 
-  config = mkIf config.services.gnome.gnome-online-miners.enable {
+  config = lib.mkIf config.services.gnome.gnome-online-miners.enable {
 
     environment.systemPackages = [ pkgs.gnome.gnome-online-miners ];
 
diff --git a/nixos/modules/services/desktops/gnome/gnome-remote-desktop.nix b/nixos/modules/services/desktops/gnome/gnome-remote-desktop.nix
index cd6cb4530500..b56027b6eb4b 100644
--- a/nixos/modules/services/desktops/gnome/gnome-remote-desktop.nix
+++ b/nixos/modules/services/desktops/gnome/gnome-remote-desktop.nix
@@ -1,22 +1,20 @@
 # Remote desktop daemon using Pipewire.
 { config, lib, pkgs, ... }:
 
-with lib;
-
 {
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
   options = {
     services.gnome.gnome-remote-desktop = {
-      enable = mkEnableOption "Remote Desktop support using Pipewire";
+      enable = lib.mkEnableOption "Remote Desktop support using Pipewire";
     };
   };
 
   ###### implementation
-  config = mkIf config.services.gnome.gnome-remote-desktop.enable {
+  config = lib.mkIf config.services.gnome.gnome-remote-desktop.enable {
     services.pipewire.enable = true;
 
     systemd.packages = [ pkgs.gnome.gnome-remote-desktop ];
diff --git a/nixos/modules/services/desktops/gnome/gnome-settings-daemon.nix b/nixos/modules/services/desktops/gnome/gnome-settings-daemon.nix
index d98c1d4e3c15..30b35f669092 100644
--- a/nixos/modules/services/desktops/gnome/gnome-settings-daemon.nix
+++ b/nixos/modules/services/desktops/gnome/gnome-settings-daemon.nix
@@ -2,8 +2,6 @@
 
 { config, lib, pkgs, ... }:
 
-with lib;
-
 let
 
   cfg = config.services.gnome.gnome-settings-daemon;
@@ -13,7 +11,7 @@ in
 {
 
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
@@ -22,7 +20,7 @@ in
 
     services.gnome.gnome-settings-daemon = {
 
-      enable = mkEnableOption "GNOME Settings Daemon";
+      enable = lib.mkEnableOption "GNOME Settings Daemon";
 
     };
 
@@ -31,7 +29,7 @@ in
 
   ###### implementation
 
-  config = mkIf cfg.enable {
+  config = lib.mkIf cfg.enable {
 
     environment.systemPackages = [
       pkgs.gnome.gnome-settings-daemon
diff --git a/nixos/modules/services/desktops/gnome/gnome-user-share.nix b/nixos/modules/services/desktops/gnome/gnome-user-share.nix
index a4895e0d7095..2c6d94b7bdfc 100644
--- a/nixos/modules/services/desktops/gnome/gnome-user-share.nix
+++ b/nixos/modules/services/desktops/gnome/gnome-user-share.nix
@@ -2,12 +2,10 @@
 
 { config, pkgs, lib, ... }:
 
-with lib;
-
 {
 
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
@@ -16,7 +14,7 @@ with lib;
 
     services.gnome.gnome-user-share = {
 
-      enable = mkEnableOption "GNOME User Share, a user-level file sharing service for GNOME";
+      enable = lib.mkEnableOption "GNOME User Share, a user-level file sharing service for GNOME";
 
     };
 
@@ -25,7 +23,7 @@ with lib;
 
   ###### implementation
 
-  config = mkIf config.services.gnome.gnome-user-share.enable {
+  config = lib.mkIf config.services.gnome.gnome-user-share.enable {
 
     environment.systemPackages = [
       pkgs.gnome.gnome-user-share
diff --git a/nixos/modules/services/desktops/gnome/rygel.nix b/nixos/modules/services/desktops/gnome/rygel.nix
index 9a2bd76b1760..c980b239d521 100644
--- a/nixos/modules/services/desktops/gnome/rygel.nix
+++ b/nixos/modules/services/desktops/gnome/rygel.nix
@@ -1,30 +1,28 @@
 # rygel service.
 { config, lib, pkgs, ... }:
 
-with lib;
-
 {
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
   options = {
     services.gnome.rygel = {
-      enable = mkOption {
+      enable = lib.mkOption {
         default = false;
         description = ''
           Whether to enable Rygel UPnP Mediaserver.
 
           You will need to also allow UPnP connections in firewall, see the following [comment](https://github.com/NixOS/nixpkgs/pull/45045#issuecomment-416030795).
         '';
-        type = types.bool;
+        type = lib.types.bool;
       };
     };
   };
 
   ###### implementation
-  config = mkIf config.services.gnome.rygel.enable {
+  config = lib.mkIf config.services.gnome.rygel.enable {
     environment.systemPackages = [ pkgs.gnome.rygel ];
 
     services.dbus.packages = [ pkgs.gnome.rygel ];
diff --git a/nixos/modules/services/desktops/gnome/sushi.nix b/nixos/modules/services/desktops/gnome/sushi.nix
index 7a31546c5550..946030e4bb22 100644
--- a/nixos/modules/services/desktops/gnome/sushi.nix
+++ b/nixos/modules/services/desktops/gnome/sushi.nix
@@ -2,12 +2,10 @@
 
 { config, lib, pkgs, ... }:
 
-with lib;
-
 {
 
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
@@ -16,8 +14,8 @@ with lib;
 
     services.gnome.sushi = {
 
-      enable = mkOption {
-        type = types.bool;
+      enable = lib.mkOption {
+        type = lib.types.bool;
         default = false;
         description = ''
           Whether to enable Sushi, a quick previewer for nautilus.
@@ -31,7 +29,7 @@ with lib;
 
   ###### implementation
 
-  config = mkIf config.services.gnome.sushi.enable {
+  config = lib.mkIf config.services.gnome.sushi.enable {
 
     environment.systemPackages = [ pkgs.gnome.sushi ];
 
diff --git a/nixos/modules/services/desktops/gnome/tracker-miners.nix b/nixos/modules/services/desktops/gnome/tracker-miners.nix
index fa152f1fa686..d5d42cee9f8b 100644
--- a/nixos/modules/services/desktops/gnome/tracker-miners.nix
+++ b/nixos/modules/services/desktops/gnome/tracker-miners.nix
@@ -2,12 +2,10 @@
 
 { config, pkgs, lib, ... }:
 
-with lib;
-
 {
 
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
@@ -16,8 +14,8 @@ with lib;
 
     services.gnome.tracker-miners = {
 
-      enable = mkOption {
-        type = types.bool;
+      enable = lib.mkOption {
+        type = lib.types.bool;
         default = false;
         description = ''
           Whether to enable Tracker miners, indexing services for Tracker
@@ -31,7 +29,7 @@ with lib;
 
   ###### implementation
 
-  config = mkIf config.services.gnome.tracker-miners.enable {
+  config = lib.mkIf config.services.gnome.tracker-miners.enable {
 
     environment.systemPackages = [ pkgs.tracker-miners ];
 
diff --git a/nixos/modules/services/desktops/gnome/tracker.nix b/nixos/modules/services/desktops/gnome/tracker.nix
index bd71851a52f9..45b679571c70 100644
--- a/nixos/modules/services/desktops/gnome/tracker.nix
+++ b/nixos/modules/services/desktops/gnome/tracker.nix
@@ -2,15 +2,13 @@
 
 { config, pkgs, lib, ... }:
 
-with lib;
-
 let
   cfg = config.services.gnome.tracker;
 in
 {
 
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
@@ -19,8 +17,8 @@ in
 
     services.gnome.tracker = {
 
-      enable = mkOption {
-        type = types.bool;
+      enable = lib.mkOption {
+        type = lib.types.bool;
         default = false;
         description = ''
           Whether to enable Tracker services, a search engine,
@@ -28,8 +26,8 @@ in
         '';
       };
 
-      subcommandPackages = mkOption {
-        type = types.listOf types.package;
+      subcommandPackages = lib.mkOption {
+        type = lib.types.listOf lib.types.package;
         default = [ ];
         internal = true;
         description = ''
@@ -44,7 +42,7 @@ in
 
   ###### implementation
 
-  config = mkIf cfg.enable {
+  config = lib.mkIf cfg.enable {
 
     environment.systemPackages = [ pkgs.tracker ];
 
diff --git a/nixos/modules/services/desktops/gvfs.nix b/nixos/modules/services/desktops/gvfs.nix
index ac139f186798..8a02cdd4a650 100644
--- a/nixos/modules/services/desktops/gvfs.nix
+++ b/nixos/modules/services/desktops/gvfs.nix
@@ -2,8 +2,6 @@
 
 { config, lib, pkgs, ... }:
 
-with lib;
-
 let
 
   cfg = config.services.gvfs;
@@ -13,7 +11,7 @@ in
 {
 
   meta = {
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   ###### interface
@@ -22,10 +20,10 @@ in
 
     services.gvfs = {
 
-      enable = mkEnableOption "GVfs, a userspace virtual filesystem";
+      enable = lib.mkEnableOption "GVfs, a userspace virtual filesystem";
 
       # gvfs can be built with multiple configurations
-      package = mkPackageOption pkgs [ "gnome" "gvfs" ] { };
+      package = lib.mkPackageOption pkgs [ "gnome" "gvfs" ] { };
 
     };
 
@@ -34,7 +32,7 @@ in
 
   ###### implementation
 
-  config = mkIf cfg.enable {
+  config = lib.mkIf cfg.enable {
 
     environment.systemPackages = [ cfg.package ];
 
diff --git a/nixos/modules/services/x11/desktop-managers/gnome.nix b/nixos/modules/services/x11/desktop-managers/gnome.nix
index 8bf0bb0c0793..ce300431d47c 100644
--- a/nixos/modules/services/x11/desktop-managers/gnome.nix
+++ b/nixos/modules/services/x11/desktop-managers/gnome.nix
@@ -1,8 +1,7 @@
 { config, lib, pkgs, utils, ... }:
 
-with lib;
-
 let
+  inherit (lib) mkOption types mkDefault mkEnableOption literalExpression;
 
   cfg = config.services.xserver.desktopManager.gnome;
   serviceCfg = config.services.gnome;
@@ -51,8 +50,8 @@ let
     destination = "/share/gnome-background-properties/nixos.xml";
   };
 
-  flashbackEnabled = cfg.flashback.enableMetacity || length cfg.flashback.customSessions > 0;
-  flashbackWms = optional cfg.flashback.enableMetacity {
+  flashbackEnabled = cfg.flashback.enableMetacity || lib.length cfg.flashback.customSessions > 0;
+  flashbackWms = lib.optional cfg.flashback.enableMetacity {
     wmName = "metacity";
     wmLabel = "Metacity";
     wmCommand = "${pkgs.gnome.metacity}/bin/metacity";
@@ -67,7 +66,7 @@ in
 
   meta = {
     doc = ./gnome.md;
-    maintainers = teams.gnome.members;
+    maintainers = lib.teams.gnome.members;
   };
 
   options = {
@@ -184,8 +183,8 @@ in
 
   };
 
-  config = mkMerge [
-    (mkIf (cfg.enable || flashbackEnabled) {
+  config = lib.mkMerge [
+    (lib.mkIf (cfg.enable || flashbackEnabled) {
       # Seed our configuration into nixos-generate-config
       system.nixos-generate-config.desktopConfiguration = [''
         # Enable the GNOME Desktop Environment.
@@ -200,7 +199,7 @@ in
       services.displayManager.sessionPackages = [ pkgs.gnome.gnome-session.sessions ];
 
       environment.extraInit = ''
-        ${concatMapStrings (p: ''
+        ${lib.concatMapStrings (p: ''
           if [ -d "${p}/share/gsettings-schemas/${p.name}" ]; then
             export XDG_DATA_DIRS=$XDG_DATA_DIRS''${XDG_DATA_DIRS:+:}${p}/share/gsettings-schemas/${p.name}
           fi
@@ -214,19 +213,19 @@ in
 
       environment.systemPackages = cfg.sessionPath;
 
-      environment.sessionVariables.GNOME_SESSION_DEBUG = mkIf cfg.debug "1";
+      environment.sessionVariables.GNOME_SESSION_DEBUG = lib.mkIf cfg.debug "1";
 
       # Override GSettings schemas
       environment.sessionVariables.NIX_GSETTINGS_OVERRIDES_DIR = "${nixos-gsettings-desktop-schemas}/share/gsettings-schemas/nixos-gsettings-overrides/glib-2.0/schemas";
     })
 
-    (mkIf flashbackEnabled {
+    (lib.mkIf flashbackEnabled {
       services.displayManager.sessionPackages =
         let
           wmNames = map (wm: wm.wmName) flashbackWms;
           namesAreUnique = lib.unique wmNames == wmNames;
         in
-          assert (assertMsg namesAreUnique "Flashback WM names must be unique.");
+          assert (lib.assertMsg namesAreUnique "Flashback WM names must be unique.");
           map
             (wm:
               pkgs.gnome.gnome-flashback.mkSessionForWm {
@@ -254,7 +253,7 @@ in
       ++ (map (wm: gnome-flashback.mkGnomeSession { inherit (wm) wmName wmLabel enableGnomePanel; }) flashbackWms);
     })
 
-    (mkIf serviceCfg.core-os-services.enable {
+    (lib.mkIf serviceCfg.core-os-services.enable {
       hardware.bluetooth.enable = mkDefault true;
       hardware.pulseaudio.enable = mkDefault true;
       programs.dconf.enable = true;
@@ -307,7 +306,7 @@ in
       ];
     })
 
-    (mkIf serviceCfg.core-shell.enable {
+    (lib.mkIf serviceCfg.core-shell.enable {
       services.xserver.desktopManager.gnome.sessionPath =
         let
           mandatoryPackages = [
@@ -329,7 +328,7 @@ in
       services.gnome.gnome-user-share.enable = mkDefault true;
       services.gnome.rygel.enable = mkDefault true;
       services.gvfs.enable = true;
-      services.system-config-printer.enable = (mkIf config.services.printing.enable (mkDefault true));
+      services.system-config-printer.enable = (lib.mkIf config.services.printing.enable (mkDefault true));
 
       systemd.packages = with pkgs.gnome; [
         gnome-session
@@ -399,7 +398,7 @@ in
     })
 
     # Adapt from https://gitlab.gnome.org/GNOME/gnome-build-meta/-/blob/gnome-45/elements/core/meta-gnome-core-utilities.bst
-    (mkIf serviceCfg.core-utilities.enable {
+    (lib.mkIf serviceCfg.core-utilities.enable {
       environment.systemPackages =
         with pkgs.gnome;
         utils.removePackagesByName
@@ -460,7 +459,7 @@ in
       ];
     })
 
-    (mkIf serviceCfg.games.enable {
+    (lib.mkIf serviceCfg.games.enable {
       environment.systemPackages = with pkgs.gnome; utils.removePackagesByName [
         aisleriot
         atomix
@@ -486,7 +485,7 @@ in
     })
 
     # Adapt from https://gitlab.gnome.org/GNOME/gnome-build-meta/-/blob/3.38.0/elements/core/meta-gnome-core-developer-tools.bst
-    (mkIf serviceCfg.core-developer-tools.enable {
+    (lib.mkIf serviceCfg.core-developer-tools.enable {
       environment.systemPackages = with pkgs.gnome; utils.removePackagesByName [
         dconf-editor
         devhelp