diff --git a/flake.nix b/flake.nix
index 8783e4e..74bed25 100644
--- a/flake.nix
+++ b/flake.nix
@@ -14,7 +14,6 @@
           value = localPackages.stdenvNoCC.mkDerivation {
             pname = name;
             inherit (value) version;
-            outputs = [ "out" "manifest" ];
             preferLocalBuild = true;
             src = localPackages.fetchurl {
               url = "${baseUrl}${name}/${value.version}.tar.xz";
@@ -24,18 +23,8 @@
             dontBuild = true;
             installPhase = ''
               find . -type f | while read FILE; do
-                case $FILE in
-                  *.a | *.o) install -Dm444 -t $out/lib $FILE;;
-                  *.so) install -Dm555 -t $out/lib $FILE;;
-                  *.tar) install -Dm444 -t $out/tar $FILE;;
-                  *) install -Dm555 -t $out/bin $FILE;;
-                esac
+                install -Dm444 -t $out $FILE
               done
-
-              local drv=$out
-              echo -n '[' >> $manifest
-              find $out/ -type f -printf ',{mapKey= "%f",mapValue="%p"}' >> $manifest
-              echo -n ']' >> $manifest
             '';
             meta = {
               license = [ "LicenseRef-Genode" ];