diff --git a/pkgs/development/ocaml-modules/bin_prot/default.nix b/pkgs/development/ocaml-modules/bin_prot/default.nix
deleted file mode 100644
index 3aa7cf0ec134..000000000000
--- a/pkgs/development/ocaml-modules/bin_prot/default.nix
+++ /dev/null
@@ -1,28 +0,0 @@
-{ lib, buildOcaml, fetchurl, ocaml, type_conv }:
-
-if lib.versionAtLeast ocaml.version "4.06"
-then throw "bin_prot-112.24.00 is not available for OCaml ${ocaml.version}"
-else
-
-buildOcaml rec {
-  pname = "bin_prot";
-  version = "112.24.00";
-
-  minimumSupportedOcamlVersion = "4.00";
-
-  src = fetchurl {
-    url = "https://github.com/janestreet/bin_prot/archive/${version}.tar.gz";
-    sha256 = "dc0c978a825c7c123990af3317637c218f61079e6f35dc878260651084f1adb4";
-  };
-
-  propagatedBuildInputs = [ type_conv ];
-
-  hasSharedObjects = true;
-
-  meta = with lib; {
-    homepage = "https://github.com/janestreet/bin_prot";
-    description = "Binary protocol generator ";
-    license = licenses.asl20;
-    maintainers = [ maintainers.ericbmerritt ];
-  };
-}
diff --git a/pkgs/development/ocaml-modules/janestreet/bin_prot.nix b/pkgs/development/ocaml-modules/janestreet/bin_prot.nix
deleted file mode 100644
index d90d91cc229e..000000000000
--- a/pkgs/development/ocaml-modules/janestreet/bin_prot.nix
+++ /dev/null
@@ -1,17 +0,0 @@
-{lib, buildOcamlJane, type_conv}:
-
-buildOcamlJane {
-  pname = "bin_prot";
-  version = "113.33.03";
-  minimumSupportedOcamlVersion = "4.02";
-  hash = "0jlarpfby755j0kikz6vnl1l6q0ga09b9zrlw6i84r22zchnqdsh";
-
-  propagatedBuildInputs = [ type_conv ];
-
-  meta = with lib; {
-    homepage = "https://github.com/janestreet/bin_prot";
-    description = "Binary protocol generator ";
-    license = licenses.asl20;
-    maintainers = [ maintainers.maurer maintainers.ericbmerritt ];
-  };
-}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index be9c1232e4cd..d719a965b623 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -135,8 +135,6 @@ let
       then callPackage ../development/ocaml-modules/biniou { }
       else callPackage ../development/ocaml-modules/biniou/1.0.nix { };
 
-    bin_prot_p4 = callPackage ../development/ocaml-modules/bin_prot { };
-
     bisect_ppx = callPackage ../development/ocaml-modules/bisect_ppx { };
 
     ocaml_cairo = callPackage ../development/ocaml-modules/ocaml-cairo { };
@@ -1612,13 +1610,6 @@ let
       then callPackage ../development/ocaml-modules/janestreet/variantslib.nix {}
       else variantslib_p4;
 
-    bin_prot =
-      if lib.versionOlder "4.03" ocaml.version
-      then janeStreet.bin_prot
-      else if lib.versionOlder "4.02" ocaml.version
-      then callPackage ../development/ocaml-modules/janestreet/bin_prot.nix {}
-      else bin_prot_p4;
-
     core_bench =
       if lib.versionOlder "4.03" ocaml.version
       then janeStreet.core_bench else