diff --git a/pkgs/applications/networking/protonvpn-gui/legacy.nix b/pkgs/applications/networking/protonvpn-gui/legacy.nix
deleted file mode 100644
index 19a2fe7288e9..000000000000
--- a/pkgs/applications/networking/protonvpn-gui/legacy.nix
+++ /dev/null
@@ -1,81 +0,0 @@
-{
-  lib,
-  buildPythonApplication,
-  fetchFromGitHub,
-  setuptools,
-  wrapGAppsHook3,
-  gdk-pixbuf,
-  glib-networking,
-  gobject-introspection,
-  imagemagick,
-  librsvg,
-  pango,
-  python3,
-  webkitgtk,
-  # Python libs
-  protonvpn-nm-lib,
-  psutil,
-  # Optionals
-  withIndicator ? true,
-  libappindicator-gtk3,
-}:
-
-buildPythonApplication rec {
-  pname = "protonvpn-gui";
-  version = "1.12.0";
-  pyproject = true;
-
-  src = fetchFromGitHub {
-    owner = "ProtonVPN";
-    repo = "linux-app";
-    rev = "refs/tags/${version}";
-    sha256 = "sha256-MPS4d/yNkccsc/j85h7/4k4xL8uSCvhj/9JWPa7ezLY=";
-  };
-
-  nativeBuildInputs = [
-    gdk-pixbuf
-    gobject-introspection
-    imagemagick
-    setuptools
-    wrapGAppsHook3
-  ];
-
-  propagatedBuildInputs = [
-    glib-networking # needed for the login captcha
-    protonvpn-nm-lib
-    psutil
-  ];
-
-  buildInputs = [
-    librsvg
-    pango
-    webkitgtk
-  ] ++ lib.optionals withIndicator [ libappindicator-gtk3 ];
-
-  postInstall = ''
-    # Setting icons
-    for size in 16 32 48 64 72 96 128 192 512 1024; do
-      mkdir -p $out/share/icons/hicolor/"$size"x"$size"/apps
-      convert -resize $size'x'$size \
-        protonvpn_gui/assets/icons/protonvpn-logo.png \
-        $out/share/icons/hicolor/$size'x'$size/apps/protonvpn.png
-    done
-
-    install -Dm644 protonvpn.desktop -t $out/share/applications/
-    chmod 644 $out/${python3.sitePackages}/protonvpn_gui/assets/icons/plus-server.png
-    substituteInPlace $out/share/applications/protonvpn.desktop \
-      --replace 'protonvpn-logo' protonvpn
-  '';
-
-  # Project has a dummy test
-  doCheck = false;
-
-  meta = with lib; {
-    description = "Official ProtonVPN Linux app";
-    homepage = "https://github.com/ProtonVPN/linux-app";
-    maintainers = [ ];
-    license = licenses.gpl3Plus;
-    mainProgram = "protonvpn";
-    platforms = platforms.linux;
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 303827aa0a91..448909ee840f 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1326,6 +1326,7 @@ mapAliases {
   protobuf3_23 = protobuf_23;
   protobuf3_21 = protobuf_21;
   protonup = protonup-ng; # Added 2022-11-06
+  protonvpn-gui_legacy = throw "protonvpn-gui_legacy source code was removed from upstream. Use protonvpn-gui instead."; # Added 2024-10-12
   proxmark3-rrg = proxmark3; # Added 2023-07-25
   proxmark3-unstable = throw "removed in favor of rfidresearchgroup fork"; # Added 2023-07-25
   psensor = throw "'psensor' has been removed due to lack of maintenance upstream. Consider using 'mission-center', 'resources' or 'monitorets' instead"; # Added 2024-09-14
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 5e4c131996b9..e9d389fa512a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -31988,7 +31988,6 @@ with pkgs;
   protonvpn-cli_2 = python3Packages.callPackage ../applications/networking/protonvpn-cli/2.nix { };
 
   protonvpn-gui = python3Packages.callPackage ../applications/networking/protonvpn-gui { };
-  protonvpn-gui_legacy = python3Packages.callPackage ../applications/networking/protonvpn-gui/legacy.nix { };
 
   ps2client = callPackage ../applications/networking/ps2client { };