diff --git a/flake.nix b/flake.nix
index 2e5fb36cb..03765d42a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -38,7 +38,6 @@
         };
         release = pkgs.callPackage ./nix/shell.nix {
           reason = self.packages.${pkgs.stdenv.hostPlatform.system}.default;
-          dune-release = pkgs.ocaml-ng.ocamlPackages_5_5.dune-release;
           release-mode = true;
         };
       });
diff --git a/nix/shell.nix b/nix/shell.nix
index c52afc77c..0c15dbd22 100644
--- a/nix/shell.nix
+++ b/nix/shell.nix
@@ -5,7 +5,6 @@
   cacert,
   curl,
   git,
-  dune-release ? ocamlPackages.dune-release,
   release-mode ? false,
 }: