diff --git a/workstation/configuration.nix b/workstation/configuration.nix
index c7403ae..63240c7 100644
--- a/workstation/configuration.nix
+++ b/workstation/configuration.nix
@@ -150,9 +150,6 @@
   };
 
 
-  nixpkgs.config.permittedInsecurePackages = [
-        "dotnet-core-combined"
-  ];
   
   # ld
   programs.nix-ld.enable = true;
@@ -188,7 +185,6 @@
      nodejs
      dotnet-sdk
      dotnet-runtime
-     dotnet-core-combined
 
      # language servers
      csharp-ls