Use packages from stable which were from unstable before

flake.nix

@@ -2,7 +2,7 @@
   description = "NixOS configuration of Julius Freudenberger";
 
   inputs = {
-    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
+    #nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
     nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
     nixos-hardware.url = "github:NixOS/nixos-hardware/master";
     home-manager = {
@@ -20,7 +20,7 @@
   outputs = {
     self,
     nixpkgs,
-    nixpkgs-unstable,
+    #nixpkgs-unstable,
     nixos-hardware,
     home-manager,
     auto-cpufreq,
@@ -50,10 +50,10 @@
         system = "x86_64-linux";
 
         specialArgs = {
-          pkgs-unstable = import nixpkgs-unstable {
+          #pkgs-unstable = import nixpkgs-unstable {
-            inherit system;
+          #  inherit system;
-            config.allowUnfree = true;
+          #  config.allowUnfree = true;
-          };
+          #};
 	  inherit inputs outputs username;
         };
 

modules/internet.nix

@@ -1,6 +1,5 @@
 {
   pkgs,
-  pkgs-unstable,
   lib,
   ...
 }: {
@@ -8,7 +7,7 @@
     transmission_4
     filezilla
 
-    pkgs-unstable.element-desktop
+    element-desktop
   ];
 
   programs = {

modules/security.nix

@@ -1,11 +1,10 @@
 {
   pkgs,
-  pkgs-unstable,
   lib,
   ...
 }: {
   environment.systemPackages = with pkgs; [
-    pkgs-unstable.cryptomator
+    cryptomator
 
     keepassxc
   ];