diff --git a/pkgs/development/python-modules/backports-shutil-which/default.nix b/pkgs/development/python-modules/backports-shutil-which/default.nix
deleted file mode 100644
index 07335b5bf6b1..000000000000
--- a/pkgs/development/python-modules/backports-shutil-which/default.nix
+++ /dev/null
@@ -1,30 +0,0 @@
-{
-  lib,
-  fetchPypi,
-  buildPythonPackage,
-  pytest,
-}:
-
-buildPythonPackage rec {
-  pname = "backports-shutil-which";
-  version = "3.5.2";
-
-  src = fetchPypi {
-    pname = "backports.shutil_which";
-    inherit version;
-    sha256 = "fe39f567cbe4fad89e8ac4dbeb23f87ef80f7fe8e829669d0221ecdb0437c133";
-  };
-
-  nativeCheckInputs = [ pytest ];
-
-  checkPhase = ''
-    py.test test
-  '';
-
-  meta = with lib; {
-    description = "Backport of shutil.which from Python 3.3";
-    homepage = "https://github.com/minrk/backports.shutil_which";
-    license = licenses.psfl;
-    maintainers = with maintainers; [ jluttine ];
-  };
-}
diff --git a/pkgs/development/python-modules/libagent/default.nix b/pkgs/development/python-modules/libagent/default.nix
index 3422ae2ced2d..15d3cefb88ca 100644
--- a/pkgs/development/python-modules/libagent/default.nix
+++ b/pkgs/development/python-modules/libagent/default.nix
@@ -13,7 +13,6 @@
   unidecode,
   mock,
   pytestCheckHook,
-  backports-shutil-which,
   configargparse,
   python-daemon,
   pymsgbox,
@@ -43,9 +42,11 @@ buildPythonPackage rec {
 
   build-system = [ setuptools ];
 
+  # https://github.com/romanz/trezor-agent/pull/481
+  pythonRemoveDeps = [ "backports.shutil-which" ];
+
   dependencies = [
     unidecode
-    backports-shutil-which
     configargparse
     python-daemon
     pymsgbox
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 5f813c4e068c..0034eb1ff000 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -68,6 +68,7 @@ mapAliases ({
   awkward0 = throw "awkward0 has been removed, use awkward instead"; # added 2022-12-13
   azure-functions-devops-build = throw "azure-functions-devops-build has been removed, because it is abandoned"; # added 2024-10-04
   Babel = babel; # added 2022-05-06
+  backports-shutil-which = throw "backports-shutil-which has been removed, since we no longer need to backport to python3.2"; # added 2024-11-12
   backports-zoneinfo = throw "backports-zoneinfo has been removed, since we no longer need to backport to python3.8"; # added 2024-11-12
   backports_csv = throw "backports_csv has been removed, since we no longer need to backport to python2"; # added 2023-07-28
   backports_functools_lru_cache = throw "backports_functools_lru_cache has been removed, since we no longer need to backport to python3.2"; # added 2023-07-28
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index c42f3be8973e..27bfeeafccda 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1440,8 +1440,6 @@ self: super: with self; {
 
   backports-shutil-get-terminal-size = callPackage ../development/python-modules/backports-shutil-get-terminal-size { };
 
-  backports-shutil-which = callPackage ../development/python-modules/backports-shutil-which { };
-
   backports-strenum = callPackage ../development/python-modules/backports-strenum { };
 
   backports-tarfile = callPackage ../development/python-modules/backports-tarfile { };