diff --git a/pkgs/by-name/si/silc_server/package.nix b/pkgs/by-name/si/silc_server/package.nix
deleted file mode 100644
index 22d706ce3fa4..000000000000
--- a/pkgs/by-name/si/silc_server/package.nix
+++ /dev/null
@@ -1,24 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchurl,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "silc-server";
-  version = "1.1.18";
-
-  src = fetchurl {
-    url = "http://silcnet.org/download/server/sources/silc-server-${version}.tar.bz2";
-    sha256 = "0nr0hrwr4kbi611qazmrify7a27nzxb5n7d97f5i9cw3avxlw38s";
-  };
-
-  meta = {
-    homepage = "http://silcnet.org/";
-    description = "Secure Internet Live Conferencing server";
-    mainProgram = "silcd";
-    license = lib.licenses.gpl2Plus;
-    maintainers = [ ];
-    platforms = with lib.platforms; linux;
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 6f6dbc1d17dd..28a9a400a5db 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1679,6 +1679,7 @@ mapAliases {
   siduck76-st = st-snazzy; # Added 2024-12-24
   signal-desktop-beta = throw "signal-desktop-beta has been removed to make the signal-desktop package easier to maintain";
   signal-desktop-source = lib.warnOnInstantiate "'signal-desktop-source' is now exposed at 'signal-desktop'." signal-desktop; # Added 2025-04-16
+  silc_server = throw "'silc_server' has been removed because it is unmaintained"; # Added 2025-05-12
   sheesy-cli = throw "'sheesy-cli' has been removed due to lack of upstream maintenance"; # Added 2025-01-26
   shout = nodePackages.shout; # Added unknown; moved 2024-10-19
   sky = throw "'sky' has been removed because its upstream website disappeared"; # Added 2024-07-21