diff --git a/pkgs/development/ocaml-modules/headache/default.nix b/pkgs/development/tools/headache/default.nix
similarity index 89%
rename from pkgs/development/ocaml-modules/headache/default.nix
rename to pkgs/development/tools/headache/default.nix
index cb36d87f87f0..f156c5950b04 100644
--- a/pkgs/development/ocaml-modules/headache/default.nix
+++ b/pkgs/development/tools/headache/default.nix
@@ -1,4 +1,6 @@
-{ lib, buildDunePackage, fetchFromGitHub, camomile }:
+{ lib, fetchFromGitHub, ocamlPackages }:
+
+with ocamlPackages;
 
 buildDunePackage rec {
   pname = "headache";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0a1411e6224c..425d36fa3f55 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5199,6 +5199,8 @@ with pkgs;
 
   hdate = callPackage ../applications/misc/hdate { };
 
+  headache = callPackage ../development/tools/headache { };
+
   heatseeker = callPackage ../tools/misc/heatseeker { };
 
   hebcal = callPackage ../tools/misc/hebcal { };
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 124bf9f4cc53..d8c4a51505fc 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -628,8 +628,6 @@ let
 
     hashcons = callPackage ../development/ocaml-modules/hashcons { };
 
-    headache = callPackage ../development/ocaml-modules/headache { };
-
     hex = callPackage ../development/ocaml-modules/hex { };
 
     hidapi = callPackage ../development/ocaml-modules/hidapi { };