diff --git a/pkgs/development/libraries/smesh/default.nix b/pkgs/development/libraries/smesh/default.nix
deleted file mode 100644
index 478237f866cb..000000000000
--- a/pkgs/development/libraries/smesh/default.nix
+++ /dev/null
@@ -1,35 +0,0 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, cmake, ninja, opencascade
-, Cocoa }:
-
-stdenv.mkDerivation rec {
-  pname = "smesh";
-  version = "6.7.6";
-
-  src = fetchFromGitHub {
-    owner = "tpaviot";
-    repo = "smesh";
-    rev = version;
-    sha256 = "1b07j3bw3lnxk8dk3x1kkl2mbsmfwi98si84054038lflaaijzi0";
-  };
-
-  patches = [
-    (fetchpatch {
-      name = "fix-build-with-clang.patch";
-      url = "https://github.com/tpaviot/smesh/commit/e32c430f526f1637ec5973c9723acbc5be571ae3.patch";
-      sha256 = "0s4j5rb70g3jvvkgfbrxv7q52wk6yjyjiaya61gy2j64khplcjlb";
-    })
-  ];
-
-  nativeBuildInputs = [ cmake ninja ];
-  buildInputs = [ opencascade ] ++ lib.optionals stdenv.isDarwin [ Cocoa ];
-
-  env.NIX_CFLAGS_COMPILE = toString [ "-std=c++11" ];
-
-  meta = with lib; {
-    description = "Extension to OCE providing advanced meshing features";
-    homepage = "https://github.com/tpaviot/smesh";
-    license = licenses.lgpl21;
-    platforms = platforms.unix;
-    maintainers = with maintainers; [ gebner ];
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 5bd2366c1bbe..1d09af8ba2c3 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1646,6 +1646,7 @@ mapAliases ({
   slurm-llnl = slurm; # renamed July 2017
   slurm-llnl-full = slurm-full; # renamed July 2017
   smbclient = throw "'smbclient' has been renamed to/replaced by 'samba'"; # Converted to throw 2022-02-22
+  smesh = throw "'smesh' has been removed as it's unmaintained and depends on opencascade-oce, which is also unmaintained"; # Added 2023-09-18
   smugline = throw "smugline has been removed from nixpkgs, as it's unmaintained and depends on deprecated libraries"; # Added 2020-11-04
   snack = throw "snack has been removed: broken for 5+ years"; # Added 2022-04-21
   soldat-unstable = opensoldat; # Added 2022-07-02
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3483d061f889..f7b49d47611d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13266,10 +13266,6 @@ with pkgs;
 
   smenu = callPackage ../tools/misc/smenu { };
 
-  smesh = callPackage ../development/libraries/smesh {
-    inherit (darwin.apple_sdk.frameworks) Cocoa;
-  };
-
   boost-sml = callPackage ../development/libraries/boost-ext/boost-sml { };
 
   smu = callPackage ../tools/text/smu { };