diff --git a/modules/common/home-manager.nix b/modules/common/home-manager.nix
index 0302853..3c068ef 100644
--- a/modules/common/home-manager.nix
+++ b/modules/common/home-manager.nix
@@ -1,30 +1,19 @@
-{
-  inputs,
-  lib,
-  os,
-  ...
-}:
+{ inputs, lib, os, ... }:
 let
   isDarwin = os == "darwin";
   isLinux = os == "linux";
-in
-{
+in {
   imports =
     lib.optional isDarwin inputs.home-manager.darwinModules.home-manager
     ++ lib.optional isLinux inputs.home-manager.nixosModules.home-manager;
 
   home-manager = {
-    useGlobalPkgs = true;
+    useGlobalPkgs   = true;
     useUserPackages = true;
     backupFileExtension = lib.mkDefault "home.bak";
   };
 
-  home-manager.sharedModules = [
-    {
-      programs = {
-        home-manager.enable = true;
-        man.generateCaches = isLinux;
-      };
-    }
-  ];
+  home-manager.sharedModules = [{
+    programs.home-manager.enable = true;
+  }];
 }
diff --git a/modules/darwin/karabiner.nix b/modules/darwin/karabiner.nix
index 3edc55b..102ccac 100644
--- a/modules/darwin/karabiner.nix
+++ b/modules/darwin/karabiner.nix
@@ -86,7 +86,7 @@ let
     is_keyboard = true;
   };
 
-  # Swap the G213's Windows/Alt modifiers and map Application to Fn.
+  # Swap the G213's Windows/Alt modifiers.
   logitechG213SimpleModifications = [
     {
       from.key_code = "left_command";
@@ -96,10 +96,6 @@ let
       from.key_code = "left_option";
       to = [ { key_code = "left_command"; } ];
     }
-    {
-      from.key_code = "application";
-      to = [ { apple_vendor_top_case_key_code = "keyboard_fn"; } ];
-    }
   ];
 
   logitechMouseIdentifiers = {
@@ -108,8 +104,12 @@ let
     is_pointing_device = true;
   };
 
-  # Side buttons navigate back and forward.
+  # Middle click sends Fn; side buttons navigate back and forward.
   logitechMouseSimpleModifications = [
+    {
+      from.pointing_button = "button3";
+      to = [ { apple_vendor_top_case_key_code = "keyboard_fn"; } ];
+    }
     {
       from.pointing_button = "button4";
       to = [
@@ -133,172 +133,6 @@ let
   complex_modifications = {
     name = "Complex Modifications";
     rules = [
-      {
-        description = "Logitech mouse Button3 sends Fn, or middle click with Hyper, Shift, Button1, or Button2";
-        manipulators = [
-          # Keep the forwarded button as the only `to` event so Karabiner
-          # preserves its down state. A variable in the same `to` sequence
-          # either releases the button immediately or resets too early, so
-          # detect Button3 through `to_if_other_key_pressed` instead.
-          {
-            from.pointing_button = "button1";
-            to = [ { from_event = true; } ];
-            to_if_other_key_pressed = [
-              {
-                other_keys = [
-                  {
-                    pointing_button = "button3";
-                    modifiers.optional = [ "any" ];
-                  }
-                ];
-                to = [
-                  {
-                    set_variable = {
-                      name = "logitech_mouse_button1_held";
-                      value = 1;
-                    };
-                  }
-                ];
-              }
-            ];
-            to_after_key_up = [
-              {
-                set_variable = {
-                  name = "logitech_mouse_button1_held";
-                  value = 0;
-                };
-              }
-            ];
-            conditions = [
-              {
-                type = "device_if";
-                identifiers = [ logitechMouseIdentifiers ];
-              }
-            ];
-            type = "basic";
-          }
-          {
-            from.pointing_button = "button2";
-            to = [ { from_event = true; } ];
-            to_if_other_key_pressed = [
-              {
-                other_keys = [
-                  {
-                    pointing_button = "button3";
-                    modifiers.optional = [ "any" ];
-                  }
-                ];
-                to = [
-                  {
-                    set_variable = {
-                      name = "logitech_mouse_button2_held";
-                      value = 1;
-                    };
-                  }
-                ];
-              }
-            ];
-            to_after_key_up = [
-              {
-                set_variable = {
-                  name = "logitech_mouse_button2_held";
-                  value = 0;
-                };
-              }
-            ];
-            conditions = [
-              {
-                type = "device_if";
-                identifiers = [ logitechMouseIdentifiers ];
-              }
-            ];
-            type = "basic";
-          }
-          {
-            from = {
-              pointing_button = "button3";
-              modifiers.optional = [ "any" ];
-            };
-            to = [ { pointing_button = "button3"; } ];
-            conditions = [
-              {
-                type = "device_if";
-                identifiers = [ logitechMouseIdentifiers ];
-              }
-              {
-                type = "variable_if";
-                name = "logitech_mouse_button1_held";
-                value = 1;
-              }
-            ];
-            type = "basic";
-          }
-          {
-            from = {
-              pointing_button = "button3";
-              modifiers.mandatory = hyperModifiers;
-            };
-            to = [ { pointing_button = "button3"; } ];
-            conditions = [
-              {
-                type = "device_if";
-                identifiers = [ logitechMouseIdentifiers ];
-              }
-            ];
-            type = "basic";
-          }
-          {
-            from = {
-              pointing_button = "button3";
-              modifiers = {
-                mandatory = [ "shift" ];
-                optional = [ "any" ];
-              };
-            };
-            to = [ { pointing_button = "button3"; } ];
-            conditions = [
-              {
-                type = "device_if";
-                identifiers = [ logitechMouseIdentifiers ];
-              }
-            ];
-            type = "basic";
-          }
-          {
-            from = {
-              pointing_button = "button3";
-              modifiers.optional = [ "any" ];
-            };
-            to = [ { pointing_button = "button3"; } ];
-            conditions = [
-              {
-                type = "device_if";
-                identifiers = [ logitechMouseIdentifiers ];
-              }
-              {
-                type = "variable_if";
-                name = "logitech_mouse_button2_held";
-                value = 1;
-              }
-            ];
-            type = "basic";
-          }
-          {
-            from = {
-              pointing_button = "button3";
-              modifiers.optional = [ "any" ];
-            };
-            to = [ { apple_vendor_top_case_key_code = "keyboard_fn"; } ];
-            conditions = [
-              {
-                type = "device_if";
-                identifiers = [ logitechMouseIdentifiers ];
-              }
-            ];
-            type = "basic";
-          }
-        ];
-      }
       # {
       #   description = "Change numbers to symbols and vice versa";
       #   manipulators = manipulators;
@@ -309,9 +143,7 @@ let
           {
             from = {
               key_code = "caps_lock";
-              modifiers = {
-                optional = [ "any" ];
-              };
+              modifiers = { optional = [ "any" ]; };
             };
             to = [
               {