diff --git a/README.md b/README.md
index 6166feb..5baf86d 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,6 @@
 To install it 
 1. first add the module to the nixOS system connfiguration
 2. set `config-manager.flakePath = <path to this flake>`
-3. set `config-manager.system = <system type for the machine>`
 4. run `nixos-rebuild switch --flake .#<configuration>`
 after that `cm` will be available on `$PATH`.
 
diff --git a/config-manager/default.nix b/config-manager/default.nix
index e5943e2..f0ecdde 100644
--- a/config-manager/default.nix
+++ b/config-manager/default.nix
@@ -2,17 +2,14 @@
 let
   flakePath = config.config-manager.flakePath;
   nixosConfiguration = config.config-manager.nixosConfiguration;
-  system = config.config-manager.system;
 
-  nh = inputs.nh.packages."${system}".default;
+  nh = inputs.nh.packages."${pkgs.system}".default;
 
   config-manager =
     if flakePath == "" then
       throw "'config-manager.flakePath' cannot be empty"
     else if nixosConfiguration == "" then
       throw "'config-manager.nixosConfiguration' cannot be empty"
-    else if system == "" then
-      throw "'config-manager.system' cannot be empty"
     else
       pkgs.writeShellScriptBin "cm" ''
         help() {
@@ -60,12 +57,6 @@ in
         default = config.networking.hostName;
         description = "what nixosConfiguration to use";
       };
-
-      system = lib.mkOption {
-        type = lib.types.str;
-        default = "";
-        description = "what system the host is (x86_64-linux, aarch64-linux)";
-      };
     };
   };
 
diff --git a/hosts/pinwheel/configuration.nix b/hosts/pinwheel/configuration.nix
index a874864..69cb3b5 100644
--- a/hosts/pinwheel/configuration.nix
+++ b/hosts/pinwheel/configuration.nix
@@ -71,7 +71,6 @@
 
   config-manager = {
     flakePath = "/home/alex/config";
-    system=pkgs.system;
   };
 
   mod = {
diff --git a/hosts/pinwheel/modules/age/default.nix b/hosts/pinwheel/modules/age/default.nix
index c82a11e..6c70fbb 100644
--- a/hosts/pinwheel/modules/age/default.nix
+++ b/hosts/pinwheel/modules/age/default.nix
@@ -1,7 +1,4 @@
-{ inputs, config, ... }:
-let
-  system = config.config-manager.system;
-in
+{ inputs, pkgs, ... }:
 {
   age = {
     identityPaths = [
@@ -11,6 +8,6 @@ in
   };
 
   environment.systemPackages = [
-    inputs.agenix.packages."${system}".default
+    inputs.agenix.packages."${pkgs.system}".default
   ];
 }
diff --git a/hosts/pinwheel/modules/screenshot/default.nix b/hosts/pinwheel/modules/screenshot/default.nix
index fa8dae1..08a9f8b 100644
--- a/hosts/pinwheel/modules/screenshot/default.nix
+++ b/hosts/pinwheel/modules/screenshot/default.nix
@@ -1,10 +1,8 @@
 { inputs, pkgs, lib, config, ...}:
 let
-  system = config.config-manager.system;
-
   hyprlandEnabled = config.mod.hyprland.enable;
 
-  grimblast = inputs.hyprland-contrib.packages.${system}.grimblast;
+  grimblast = inputs.hyprland-contrib.packages.${pkgs.system}.grimblast;
   area = "${pkgs.libnotify}/bin/notify-send 'ps: selected area' && ${grimblast}/bin/grimblast copy area";
   screen = "${pkgs.libnotify}/bin/notify-send 'ps: selected screen' &&${grimblast}/bin/grimblast copy output";
 in
diff --git a/hosts/sombrero/configuration.nix b/hosts/sombrero/configuration.nix
index e9b1d71..caad42f 100644
--- a/hosts/sombrero/configuration.nix
+++ b/hosts/sombrero/configuration.nix
@@ -76,7 +76,6 @@
 
   config-manager = {
     flakePath = "/home/alex/config";
-    system = pkgs.system;
   };
 
   mod = {
diff --git a/hosts/sombrero/modules/age/default.nix b/hosts/sombrero/modules/age/default.nix
index 91137d1..18ae1bd 100644
--- a/hosts/sombrero/modules/age/default.nix
+++ b/hosts/sombrero/modules/age/default.nix
@@ -1,13 +1,10 @@
-{ inputs, config, ... }:
-let
-  system = config.config-manager.system;
-in
+{ inputs, pkgs, ... }:
 {
   age = {
     identityPaths = [ "/etc/ssh/sombrero" ];
   };
 
   environment.systemPackages = [
-    inputs.agenix.packages."${system}".default
+    inputs.agenix.packages."${pkgs.system}".default
   ];
 }