diff --git a/pkgs/development/ocaml-modules/pipebang/default.nix b/pkgs/development/ocaml-modules/pipebang/default.nix
deleted file mode 100644
index e2bd4d3ec5c8..000000000000
--- a/pkgs/development/ocaml-modules/pipebang/default.nix
+++ /dev/null
@@ -1,26 +0,0 @@
-{ lib, buildOcaml, fetchFromGitHub, camlp4 }:
-
-buildOcaml rec {
-  pname = "pipebang";
-  version = "113.00.00";
-
-  minimumSupportedOcamlVersion = "4.00";
-
-  src = fetchFromGitHub {
-    owner = "janestreet";
-    repo = "pipebang";
-    rev = version;
-    sha256 = "sha256-9A3X/ciL5HtuKQ5awS+hDDBLL5ytOr12wHsmJLNRn+Q=";
-  };
-
-  strictDeps = true;
-
-  propagatedBuildInputs = [ camlp4 ];
-
-  meta = with lib; {
-    homepage = "https://github.com/janestreet/pipebang";
-    description = "Syntax extension to transform x |! f into f x";
-    license = licenses.asl20;
-    maintainers = [ maintainers.ericbmerritt ];
-  };
-}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index f4674f9fb4b8..6547130861c5 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1274,8 +1274,6 @@ let
 
     parany = callPackage ../development/ocaml-modules/parany { };
 
-    pipebang = callPackage ../development/ocaml-modules/pipebang { };
-
     portaudio = callPackage ../development/ocaml-modules/portaudio {
       inherit (pkgs) portaudio;
     };