diff --git a/flake.nix b/flake.nix
index 8f93127f7..792387da4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -152,8 +152,6 @@
         }
       );
 
-      binaryTarball = nix: pkgs: pkgs.callPackage ./nix-support/binary-tarball.nix { inherit nix; };
-
       overlayFor =
         getStdenv: final: prev:
         let
@@ -236,13 +234,11 @@
         );
 
         # Perl bindings for various platforms.
-        perlBindings = forAllSystems (system: nixpkgsFor.${system}.native.nix.perl-bindings);
+        perlBindings = forAllSystems (system: nixpkgsFor.${system}.native.nix.passthru.perl-bindings);
 
         # Binary tarball for various platforms, containing a Nix store
         # with the closure of 'nix' package.
-        binaryTarball = forAllSystems (
-          system: binaryTarball nixpkgsFor.${system}.native.nix nixpkgsFor.${system}.native
-        );
+        binaryTarball = forAllSystems (system: nixpkgsFor.${system}.native.nix.passthru.binaryTarball);
 
         # docker image with Lix inside
         dockerImage = lib.genAttrs linux64BitSystems (system: self.packages.${system}.dockerImage);
diff --git a/package.nix b/package.nix
index f65611ea6..ef6f317e8 100644
--- a/package.nix
+++ b/package.nix
@@ -376,8 +376,6 @@ stdenv.mkDerivation (finalAttrs: {
     platforms = lib.platforms.unix;
   };
 
-  passthru.perl-bindings = pkgs.callPackage ./perl { inherit fileset stdenv; };
-
   # Export the patched version of boehmgc.
   # flake.nix exports that into its overlay.
   passthru = {
@@ -509,5 +507,11 @@ stdenv.mkDerivation (finalAttrs: {
           '';
         }
       );
+
+    perl-bindings = pkgs.callPackage ./perl { inherit fileset stdenv; };
+
+    binaryTarball = pkgs.callPackage ./nix-support/binary-tarball.nix {
+      nix = finalAttrs.finalPackage;
+    };
   };
 })