diff --git a/pkgs/development/python-modules/pycategories/default.nix b/pkgs/development/python-modules/pycategories/default.nix
deleted file mode 100644
index 98a8e360d157..000000000000
--- a/pkgs/development/python-modules/pycategories/default.nix
+++ /dev/null
@@ -1,42 +0,0 @@
-{
-  lib,
-  buildPythonPackage,
-  callPackage,
-  fetchPypi,
-  pytestCheckHook,
-  pythonOlder,
-}:
-
-buildPythonPackage rec {
-  pname = "pycategories";
-  version = "1.2.0";
-  format = "setuptools";
-
-  disabled = pythonOlder "3.7";
-
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-vXDstelOdlnlZOoVPwx2cykdw3xSbCRoAPwI1sU3gJk=";
-  };
-
-  postPatch = ''
-    substituteInPlace setup.py \
-      --replace "'pytest-runner'," ""
-    substituteInPlace setup.cfg \
-      --replace "--cov-report term --cov=categories" ""
-  '';
-
-  # Is private because the author states it's unmaintained
-  # and shouldn't be used in production code
-  propagatedBuildInputs = [ (callPackage ./infix.nix { }) ];
-
-  nativeCheckInputs = [ pytestCheckHook ];
-
-  meta = with lib; {
-    description = "Implementation of some concepts from category theory";
-    homepage = "https://gitlab.com/danielhones/pycategories";
-    changelog = "https://gitlab.com/danielhones/pycategories/-/blob/v${version}/CHANGELOG.rst";
-    license = licenses.mit;
-    maintainers = with maintainers; [ dmvianna ];
-  };
-}
diff --git a/pkgs/development/python-modules/pycategories/infix.nix b/pkgs/development/python-modules/pycategories/infix.nix
deleted file mode 100644
index d5959c1a0ec1..000000000000
--- a/pkgs/development/python-modules/pycategories/infix.nix
+++ /dev/null
@@ -1,25 +0,0 @@
-{
-  buildPythonPackage,
-  lib,
-  fetchPypi,
-}:
-
-buildPythonPackage rec {
-  pname = "infix";
-  version = "1.2";
-  format = "setuptools";
-
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "a1bfdcf875bc072f41e426d0673f2e3017750743bb90cc725fffb292eb09648c";
-  };
-
-  # No tests
-  doCheck = false;
-
-  meta = {
-    homepage = "https://github.com/borntyping/python-infix";
-    description = "Decorator that allows functions to be used as infix functions";
-    license = lib.licenses.mit;
-  };
-}
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 6a5f33f02284..6cecf4d22c75 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -309,6 +309,7 @@ mapAliases {
   py-eth-sig-utils = throw "py-eth-sig-utils has been removed because it has been marked as broken since at least November 2024."; # Added 2025-10-04
   py-scrypt = scrypt; # added 2025-08-07
   py_stringmatching = throw "'py_stringmatching' has been renamed to/replaced by 'py-stringmatching'"; # Converted to throw 2025-10-29
+  pycategories = throw "'pycategories' has been removed as it was broken and unmaintained"; # added 2025-11-08
   PyChromecast = throw "'PyChromecast' has been renamed to/replaced by 'pychromecast'"; # Converted to throw 2025-10-29
   pydns = throw "'pydns' has been renamed to/replaced by 'py3dns'"; # Converted to throw 2025-10-29
   pyechonest = throw "pyechonest was removed because it was broken and unmaintained"; # added 2025-08-26
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 7445001618c7..d01e393f4e97 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -12818,8 +12818,6 @@ self: super: with self; {
 
   pycatch22 = callPackage ../development/python-modules/pycatch22 { };
 
-  pycategories = callPackage ../development/python-modules/pycategories { };
-
   pycayennelpp = callPackage ../development/python-modules/pycayennelpp { };
 
   pycddl = callPackage ../development/python-modules/pycddl { };