diff --git a/pkgs/development/ocaml-modules/janestreet/buildOcamlJane.nix b/pkgs/development/ocaml-modules/janestreet/buildOcamlJane.nix
deleted file mode 100644
index 13fcdff39239..000000000000
--- a/pkgs/development/ocaml-modules/janestreet/buildOcamlJane.nix
+++ /dev/null
@@ -1,35 +0,0 @@
-{ buildOcaml, opaline, js_build_tools, ocaml_oasis, fetchurl } :
-
-{ pname, version ? "113.33.03", buildInputs ? [],
-  hash ? "",
-  minimumSupportedOcamlVersion ? "4.02", ...
-}@args:
-
-buildOcaml (args // {
-  inherit pname version minimumSupportedOcamlVersion;
-  src = fetchurl {
-    url = "https://github.com/janestreet/${pname}/archive/${version}.tar.gz";
-    sha256 = hash;
-  };
-
-  hasSharedObjects = true;
-
-  buildInputs = [ ocaml_oasis js_build_tools opaline ] ++ buildInputs;
-
-  dontAddPrefix = true;
-  dontAddStaticConfigureFlags = true;
-  configurePlatforms = [];
-
-  configurePhase = ''
-    ./configure --prefix $out
-  '';
-
-  buildPhase = ''
-    OCAML_TOPLEVEL_PATH=`ocamlfind query findlib`/.. make
-  '';
-
-  installPhase = ''
-    opaline -prefix $prefix -libdir $OCAMLFIND_DESTDIR ${pname}.install
-  '';
-
-})
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 4942a5b50596..2cff6972fd7f 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1477,8 +1477,6 @@ let
 
     js_build_tools = callPackage ../development/ocaml-modules/janestreet/js-build-tools.nix {};
 
-    buildOcamlJane = callPackage ../development/ocaml-modules/janestreet/buildOcamlJane.nix {};
-
     # Apps / from all-packages
 
     ocamlnat = callPackage  ../development/ocaml-modules/ocamlnat { };