diff --git a/overlays/default.nix b/overlays/default.nix
index abf8d917..dcbe3de1 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -76,16 +76,12 @@ with final; {
 
   oxigraph = callPackage ./oxigraph.nix { };
 
-  pile = callPackage ./pile.nix { };
-
   pi-sensors = callPackage ./pi-sensors { };
 
   plume = callPackage ./plume { };
 
   readsb = callPackage ./readsb.nix { };
 
-  simpleygggen-cpp = callPackage ./simpleygggen.nix { };
-
   telme10 = callPackage ./telme10.nix { };
 
   tracer-game =
diff --git a/overlays/pile.nix b/overlays/pile.nix
deleted file mode 100644
index fbaf404a..00000000
--- a/overlays/pile.nix
+++ /dev/null
@@ -1,28 +0,0 @@
-{ fetchgit, rustPlatform }:
-
-let
-  pile = fetchgit {
-    url = "https://github.com/astro/pile.git";
-    sha256 = "sha256-z4xNUGmP35ZBZUpgozQHANZniADfmwEoclnEwNlvAC4=";
-  };
-in
-rustPlatform.buildRustPackage {
-  name = "ledball";
-  version = "0.0.0";
-
-  src = "${pile}/ledball";
-
-  cargoSha256 = "0zyfbf3gph8gqab07fmm5a7x5slapsqn8ck6isp53fsa7ljnagjy";
-
-  cargoBuildFlags = [ "--examples" ];
-
-  postInstall = ''
-    mkdir -p $out/bin
-
-    for f in target/*/release/examples/*; do
-      if [ -f $f ] && [ -x $f ]; then
-        cp $f $out/bin/
-      fi
-    done
-  '';
-}
diff --git a/overlays/simpleygggen.nix b/overlays/simpleygggen.nix
deleted file mode 100644
index dac1defd..00000000
--- a/overlays/simpleygggen.nix
+++ /dev/null
@@ -1,21 +0,0 @@
-{ lib, stdenv, fetchurl, cmake, libsodium, }:
-
-stdenv.mkDerivation rec {
-  pname = "SimpleYggGen-CPP";
-  version = "5.1";
-
-  src = fetchurl {
-    url = "https://notabug.org/acetone/${pname}/archive/${version}.tar.gz";
-    hash = "sha256-z5Wtmw2vq3qRjNSOJ0xlxdmB5g2Oa+UQn1Awt7+R/XY=";
-  };
-
-  nativeBuildInputs = [ cmake ];
-
-  buildInputs = [ libsodium ];
-
-  installPhase = ''
-    install -D src/sygcpp $out/bin/$pname
-  '';
-
-  meta.maintainers = [ lib.maintainers.ehmry ];
-}