diff --git a/default.nix b/default.nix
index a29b816..81af081 100644
--- a/default.nix
+++ b/default.nix
@@ -45,6 +45,7 @@ buildDunePackage {
     substituteInPlace direnvrc --replace-fail "@flake_env@" "$out/bin/flake_env"
   '';
   postInstall = ''
+    rm -r $out/lib
     ${bintools}/bin/strip --strip-unneeded $out/bin/flake_env
     ${upx}/bin/upx $out/bin/flake_env
     install -m444 -D direnvrc $out/share/flake_env/direnvrc