diff --git a/pkgs/development/ocaml-modules/prof_spacetime/default.nix b/pkgs/development/ocaml-modules/prof_spacetime/default.nix
deleted file mode 100644
index 3df59e329aaf..000000000000
--- a/pkgs/development/ocaml-modules/prof_spacetime/default.nix
+++ /dev/null
@@ -1,45 +0,0 @@
-{ buildDunePackage
-, lib
-, fetchFromGitHub
-, ocaml
-, cmdliner
-, spacetime_lib
-, yojson
-, cohttp
-, ocaml_lwt
-, cohttp-lwt-unix
-, lambda-term
-, stdlib-shims
-}:
-
-buildDunePackage rec {
-  pname = "prof_spacetime";
-  version = "0.3.0";
-  useDune2 = true;
-
-  src = fetchFromGitHub {
-    owner = "lpw25";
-    repo = pname;
-    rev = version;
-    sha256 = "1s88gf6x5almmyi58zx4q23w89mvahfjwhvyfg29ya5s1pjbc9hi";
-  };
-
-  buildInputs = [
-    cmdliner
-    spacetime_lib
-    yojson
-    cohttp
-    ocaml_lwt
-    cohttp-lwt-unix
-    lambda-term
-    stdlib-shims
-  ];
-
-  meta = {
-    description = "A viewer for OCaml spacetime profiles";
-    license = lib.licenses.mit;
-    maintainers = [ lib.maintainers.symphorien ];
-    broken = true; # 2022-10-20, doesn't work with updated lambda-term
-    inherit (src.meta) homepage;
-  };
-}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index d8250fc8aa80..57de939a5f87 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1326,8 +1326,6 @@ let
 
     process = callPackage ../development/ocaml-modules/process { };
 
-    prof_spacetime = callPackage ../development/ocaml-modules/prof_spacetime { };
-
     progress = callPackage ../development/ocaml-modules/progress { };
 
     promise_jsoo = callPackage ../development/ocaml-modules/promise_jsoo { };