diff --git a/lass/1systems/yellow/config.nix b/lass/1systems/yellow/config.nix
index f5071c4b7..52d7a0f1f 100644
--- a/lass/1systems/yellow/config.nix
+++ b/lass/1systems/yellow/config.nix
@@ -136,7 +136,15 @@ with import <stockholm/lib>;
     };
   };
 
-  systemd.services.bruellwuerfel = {
+  systemd.services.bruellwuerfel =
+  let
+    bruellwuerfelSrc = pkgs.fetchFromGitHub {
+      owner = "krebs";
+      repo = "bruellwuerfel";
+      rev = "dc73adf69249fb63a4b024f1f3fbc9e541b27015";
+      sha256 = "078jp1gbavdp8lnwa09xa5m6bbbd05fi4x5ldkkgin5z04hwlhmd";
+    };
+  in {
     wantedBy = [ "multi-user.target" ];
     environment = {
       IRC_CHANNEL = "#flix";
@@ -145,7 +153,7 @@ with import <stockholm/lib>;
       IRC_HISTORY_FILE = "/tmp/bruelli.history";
     };
     serviceConfig = {
-      ExecStart = "${pkgs.bruellwuerfel}/bin/bruellwuerfel";
+      ExecStart = "${pkgs.deno}/bin/deno run -A ${bruellwuerfelSrc}/src/index.ts";
     };
   };
 
diff --git a/lass/5pkgs/bruellwuerfel/default.nix b/lass/5pkgs/bruellwuerfel/default.nix
deleted file mode 100644
index cb8f08fa8..000000000
--- a/lass/5pkgs/bruellwuerfel/default.nix
+++ /dev/null
@@ -1,26 +0,0 @@
-{ yarn2nix-moretea, fetchFromGitHub, nodePackages, nodejs }: let
-  #src = ~/src/bruellwuerfel;
-  src = fetchFromGitHub {
-    owner = "krebs";
-    repo = "bruellwuerfel";
-    rev = "57e20e630f732ce4e15b495ec5f9bf72a121b959";
-    sha256 = "08zwwl24sq21r497a03lqpy2x10az8frrsh6d38xm92snd1yf85b";
-  };
-
-in yarn2nix-moretea.mkYarnModules rec {
-  pname = "bruellwuerfel";
-  version = "1.0";
-  name = "${pname}-${version}";
-  packageJSON = "${src}/package.json";
-  yarnLock = "${src}/yarn.lock";
-  postBuild = ''
-    cp -r ${src}/{src,tsconfig.json} $out/
-    cd $out
-    ${nodePackages.typescript}/bin/tsc || :
-    mkdir -p $out/bin
-    echo '#!/bin/sh' > $out/bin/bruellwuerfel
-    echo "export NODE_PATH=$out/dist" >> $out/bin/bruellwuerfel
-    echo "${nodejs}/bin/node $out/dist/index.js" >> $out/bin/bruellwuerfel
-    chmod +x $out/bin/bruellwuerfel
-  '';
-}