diff --git a/templates/dotnet.nix b/templates/dotnet.nix
index 2a88bd1..27e469a 100644
--- a/templates/dotnet.nix
+++ b/templates/dotnet.nix
@@ -2,21 +2,6 @@
 
 with pkgs;
 let
-  # preview
-  # buildDotnet = attrs: callPackage (import <nixpkgs/pkgs/development/compilers/dotnet/build-dotnet.nix> attrs) {};
-  # buildAspNetCore = attrs: buildDotnet (attrs // { type = "aspnetcore"; });
-  # buildNetCore = attrs: buildDotnet (attrs // { type = "netcore"; });
-  # buildNetCoreSdk = attrs: buildDotnet (attrs // { type = "sdk"; });
-
-  # sdk_5_0_rc_1 = buildNetCoreSdk {
-  #   version = "5.0.100-rc.1.20452.10";
-  #   sha512 = {
-  #     x86_64-linux = "d7e709dacc4bb188c2380060d24bfb5b791240dc33af8499fb4a31e1885a9377dad1d1ebc76847432ea67d5e4ac832a31679dc293e09fa6dade28f5fbbe4db9b";
-  #     aarch64-linux = "2d04890c71e845d1eb08f5dfbbb9c93024d7a52fb1cc3fd50bd51bc6bd44e455c5c82abc8f04eef23bd012984ae5f86143c600ceb49c4c733935d95d5b68785f";
-  #     x86_64-darwin = "06bb40273071f3dd1e84ebf58abc7798795d5f1ac298f24bf7109d1597fd52ff31bcbf2b81f86d91d37ae293678d07f8da0469d7cbd318d19a8d718b6629dcac";
-  #   };
-  # };
-
   dotnet-combined = with dotnetCorePackages; combinePackages [ sdk_3_1 ];
   dotnetRoot = "${dotnet-combined}";
   dotnetSdk = "${dotnet-combined}/sdk";