diff --git a/pkgs/tools/admin/adtool/default.nix b/pkgs/tools/admin/adtool/default.nix
deleted file mode 100644
index 62d6fa3803e3..000000000000
--- a/pkgs/tools/admin/adtool/default.nix
+++ /dev/null
@@ -1,46 +0,0 @@
-{ lib, stdenv, fetchurl, openldap }:
-
-stdenv.mkDerivation rec {
-  pname = "adtool";
-  version = "1.3.3";
-
-  src = fetchurl {
-    url = "https://gp2x.org/adtool/${pname}-${version}.tar.gz";
-    sha256  = "1awmpjamrwivi69i0j2fyrziy9s096ckviqd9c4llc3990mfsn4n";
-  };
-
-  configureFlags = [
-    "--sysconfdir=/etc"
-  ];
-
-  installFlags = [
-    "sysconfdir=$(out)/etc"
-  ];
-
-  buildInputs = [ openldap ];
-
-  # Workaround build failure on -fno-common toolchains like upstream
-  # gcc-10. Otherwise build fails as:
-  #   ld: ../../src/lib/libactive_directory.a(active_directory.o):/build/adtool-1.3.3/src/lib/active_directory.h:31:
-  #     multiple definition of `system_config_file'; adtool.o:/build/adtool-1.3.3/src/tools/../../src/lib/active_directory.h:31: first defined here
-  env.NIX_CFLAGS_COMPILE = "-fcommon";
-
-  enableParallelBuilding = true;
-
-  postInstall = ''
-    mkdir -p $out/share/doc/adtool
-    mv $out/etc/* $out/share/doc/adtool
-    rmdir $out/etc
-  '';
-
-  # It requires an LDAP server for tests
-  doCheck = false;
-
-  meta = with lib; {
-    description = "Active Directory administration utility for Unix";
-    homepage = "https://gp2x.org/adtool";
-    license = licenses.gpl2;
-    maintainers = with maintainers; [ peterhoeg ];
-    broken = true; # does not link against recent libldap versions and unmaintained since 2017
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index a6ad4c9c49f9..8ab5ae61c711 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -58,6 +58,7 @@ mapAliases ({
 
   AusweisApp2 = ausweisapp; # Added 2023-11-08
   a4term = a4; # Added 2023-10-06
+  adtool = throw "'adtool' has been removed, as it was broken and unmaintained";
   aether = throw "aether has been removed from nixpkgs; upstream unmaintained, security issues"; # Added 2023-10-03
   airfield = throw "airfield has been removed due to being unmaintained"; # Added 2023-05-19
   alertmanager-bot = throw "alertmanager-bot is broken and has been archived by upstream"; # Added 2023-07-28
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e6a2482f149e..3d76cfc3d1ec 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -18141,8 +18141,6 @@ with pkgs;
 
   adreaper = callPackage ../tools/security/adreaper { };
 
-  adtool = callPackage ../tools/admin/adtool { };
-
   aeron = callPackage ../servers/aeron { };
 
   inherit (callPackage ../development/tools/alloy { })