diff --git a/pkgs/tools/networking/networkmanager/tray.nix b/pkgs/tools/networking/networkmanager/tray.nix
deleted file mode 100644
index 1e1882c35cf9..000000000000
--- a/pkgs/tools/networking/networkmanager/tray.nix
+++ /dev/null
@@ -1,50 +0,0 @@
-{
-  lib,
-  mkDerivation,
-  fetchFromGitHub,
-  cmake,
-  pkg-config,
-  qttools,
-  qtbase,
-  networkmanager-qt,
-  modemmanager-qt,
-}:
-
-mkDerivation rec {
-  pname = "nm-tray";
-  version = "0.5.0";
-
-  src = fetchFromGitHub {
-    owner = "palinek";
-    repo = pname;
-    rev = version;
-    sha256 = "sha256-JTH1cmkgdW2aRWMYPRvOAvCJz0ClCIpjUtcWcqJQGSU=";
-  };
-
-  postPatch = ''
-    sed -i -e '1i#include <QMetaEnum>' src/nmmodel.cpp
-  '';
-
-  nativeBuildInputs = [
-    cmake
-    pkg-config
-    qttools
-  ];
-
-  cmakeFlags = [ "-DWITH_MODEMMANAGER_SUPPORT=ON" ];
-
-  buildInputs = [
-    qtbase
-    networkmanager-qt
-    modemmanager-qt
-  ];
-
-  meta = with lib; {
-    description = "Simple Network Manager frontend written in Qt";
-    mainProgram = "nm-tray";
-    homepage = "https://github.com/palinek/nm-tray";
-    license = licenses.gpl2Plus;
-    maintainers = with maintainers; [ dtzWill ];
-    platforms = platforms.linux;
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 70c98a7184cb..26ca575b5c5a 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1717,6 +1717,7 @@ mapAliases {
   # When the nixops_unstable alias is removed, nixops_unstable_minimal can be renamed to nixops_unstable.
 
   nixosTest = testers.nixosTest; # Added 2022-05-05
+  nm-tray = throw "'nm-tray' has been removed, as it only works with Plasma 5"; # Added 2025-08-30
   nmap-unfree = throw "'nmap-unfree' has been renamed to/replaced by 'nmap'"; # Converted to throw 2024-10-17
   noah = throw "'noah' has been removed because it was broken and its upstream archived"; # Added 2025-05-10
   nodejs_18 = throw "Node.js 18.x has reached End-Of-Life and has been removed"; # Added 2025-04-23
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7e4f35b5a192..a0c49a34fff6 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3684,8 +3684,6 @@ with pkgs;
 
   libnma-gtk4 = libnma.override { withGtk4 = true; };
 
-  nm-tray = libsForQt5.callPackage ../tools/networking/networkmanager/tray.nix { };
-
   inherit (callPackages ../servers/nextcloud { })
     nextcloud30
     nextcloud31