diff --git a/pkgs/development/ocaml-modules/opam-state/default.nix b/pkgs/development/ocaml-modules/opam-state/default.nix
index d841631dfd07..a0f2332783d7 100644
--- a/pkgs/development/ocaml-modules/opam-state/default.nix
+++ b/pkgs/development/ocaml-modules/opam-state/default.nix
@@ -1,18 +1,15 @@
-{ lib, buildDunePackage, unzip, opam, opam-repository }:
+{ lib, buildDunePackage, opam, opam-repository, spdx_licenses }:
 
 buildDunePackage rec {
   pname = "opam-state";
 
   inherit (opam) src version;
 
-  useDune2 = true;
-
   # get rid of check for curl at configure time
   # opam-state does not call curl at run time
   configureFlags = [ "--disable-checks" ];
 
-  nativeBuildInputs = [ unzip ];
-  propagatedBuildInputs = [ opam-repository ];
+  propagatedBuildInputs = [ opam-repository spdx_licenses ];
 
   meta = opam.meta // {
     description = "OPAM development library handling the ~/.opam hierarchy, repository and switch states";
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 8eb4247c7116..a45a12c0d31f 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1390,9 +1390,7 @@ let
 
     opam-repository = callPackage ../development/ocaml-modules/opam-repository { };
 
-    opam-state = callPackage ../development/ocaml-modules/opam-state {
-      inherit (pkgs) unzip;
-    };
+    opam-state = callPackage ../development/ocaml-modules/opam-state { };
 
     opium = callPackage ../development/ocaml-modules/opium { };