diff --git a/modules/dev.nix b/modules/dev.nix
index aeac657..e7c9e78 100644
--- a/modules/dev.nix
+++ b/modules/dev.nix
@@ -1,15 +1,9 @@
 { config, pkgs, ... }:
 
 {
-  let
-    my-python-packages = p: with p; [
-      pandas
-      requests
-      # other python packages
-    ];
-  in
-  environment.systemPackages = [
-    (pkgs.python3.withPackages my-python-packages)
-    nodejs
+
+environment.systemPackages = with pkgs; [
+   (python3.withPackages(ps: with ps; [ pandas requests]))
+  nodejs
   ];
 }
diff --git a/modules/plasma.nix b/modules/plasma.nix
index dd899c8..217cc11 100644
--- a/modules/plasma.nix
+++ b/modules/plasma.nix
@@ -5,7 +5,7 @@
   services.xserver.displayManager.sddm.enable = true;
   services.xserver.desktopManager.plasma5.enable = true;
 
-  services.xserver.desktopManager.plasma5.excludePackages = with pkgs.libsForQt5; [
+  environment.plasma5.excludePackages = with pkgs.libsForQt5; [
     khelpcenter
   ];