diff --git a/pkgs/development/python-modules/aiosenz/default.nix b/pkgs/development/python-modules/aiosenz/default.nix
deleted file mode 100644
index c2870b79b0cc..000000000000
--- a/pkgs/development/python-modules/aiosenz/default.nix
+++ /dev/null
@@ -1,43 +0,0 @@
-{
-  lib,
-  authlib,
-  buildPythonPackage,
-  fetchFromGitHub,
-  httpx,
-  pythonOlder,
-  setuptools,
-}:
-
-buildPythonPackage rec {
-  pname = "aiosenz";
-  version = "1.0.0";
-  format = "pyproject";
-
-  disabled = pythonOlder "3.8";
-
-  src = fetchFromGitHub {
-    owner = "milanmeu";
-    repo = "aiosenz";
-    rev = version;
-    hash = "sha256-ODdWPS14zzptxuS6mff51f0s1SYnIqjF40DmvT0sL0w=";
-  };
-
-  nativeBuildInputs = [ setuptools ];
-
-  propagatedBuildInputs = [
-    httpx
-    authlib
-  ];
-
-  # Project has no tests
-  doCheck = false;
-
-  pythonImportsCheck = [ "aiosenz" ];
-
-  meta = {
-    description = "Python wrapper for the nVent Raychem SENZ RestAPI";
-    homepage = "https://github.com/milanmeu/aiosenz";
-    license = with lib.licenses; [ lgpl3Plus ];
-    maintainers = with lib.maintainers; [ fab ];
-  };
-}
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 3db7d70f6b3a..6d7646476f0c 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -58,6 +58,7 @@ mapAliases {
 
   # keep-sorted start case=no numeric=yes
   abodepy = throw "'abodepy' has been renamed to/replaced by 'jaraco-abode'"; # Converted to throw 2025-10-29
+  aiosenz = throw "aiosenz was removed because Home Assistant switched to pysenz"; # added 2025-12-29
   amazon-kclpy = throw "amazon-kclpy has been removed because it has been marked as broken since at least November 2024."; # Added 2025-10-03
   amazon_kclpy = throw "'amazon_kclpy' has been renamed to/replaced by 'amazon-kclpy'"; # Converted to throw 2025-10-29
   amqplib = throw "amqplib has been removed as it was unmaintained upstream"; # Added 2025-11-22
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 647491c04be9..91ce80ca2b7e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -482,8 +482,6 @@ self: super: with self; {
 
   aiosendspin = callPackage ../development/python-modules/aiosendspin { };
 
-  aiosenz = callPackage ../development/python-modules/aiosenz { };
-
   aioserial = callPackage ../development/python-modules/aioserial { };
 
   aioshelly = callPackage ../development/python-modules/aioshelly { };