diff --git a/doc/release-notes/rl-2511.section.md b/doc/release-notes/rl-2511.section.md
index dc12ad11a466..8672b0c2ec61 100644
--- a/doc/release-notes/rl-2511.section.md
+++ b/doc/release-notes/rl-2511.section.md
@@ -13,7 +13,7 @@
 
 <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
 
-- Create the first release note entry in this section!
+- The `offrss` package was removed due to lack of upstream maintenance since 2012. It's recommended for users to migrate to another RSS reader
 
 ## Other Notable Changes {#sec-nixpkgs-release-25.11-notable-changes}
 
diff --git a/pkgs/by-name/of/offrss/package.nix b/pkgs/by-name/of/offrss/package.nix
deleted file mode 100644
index 0d60b2d6e3c7..000000000000
--- a/pkgs/by-name/of/offrss/package.nix
+++ /dev/null
@@ -1,58 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchurl,
-  curl,
-  libmrss,
-  podofo,
-  libiconv,
-}:
-
-stdenv.mkDerivation (finalAttrs: {
-  pname = "offrss";
-  version = "1.3";
-
-  installPhase = ''
-    mkdir -p $out/bin
-    cp offrss $out/bin
-  '';
-
-  buildInputs =
-    [
-      curl
-      libmrss
-    ]
-    ++ lib.optional (stdenv.hostPlatform == stdenv.buildPlatform) podofo
-    ++ lib.optional (!stdenv.hostPlatform.isLinux) libiconv;
-
-  # Workaround build failure on -fno-common toolchains:
-  #   ld: serve_pdf.o:offrss.h:75: multiple definition of `cgi_url_path';
-  #     offrss.o:offrss.h:75: first defined here
-  env.NIX_CFLAGS_COMPILE = "-fcommon -Wno-error=implicit-function-declaration";
-
-  configurePhase =
-    ''
-      substituteInPlace Makefile \
-        --replace '$(CC) $(CFLAGS) $(LDFLAGS)' '$(CXX) $(CFLAGS) $(LDFLAGS)'
-    ''
-    + lib.optionalString (!stdenv.hostPlatform.isLinux) ''
-      sed 's/#EXTRA/EXTRA/' -i Makefile
-    ''
-    + lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
-      sed 's/^PDF/#PDF/' -i Makefile
-    '';
-
-  src = fetchurl {
-    url = "http://vicerveza.homeunix.net/~viric/soft/offrss/offrss-${finalAttrs.version}.tar.gz";
-    hash = "sha256-5oIiDLdFrnEfPfSiwCv3inIcxK+bbgbMT1VISVAPfKo=";
-  };
-
-  meta = {
-    homepage = "http://vicerveza.homeunix.net/~viric/cgi-bin/offrss";
-    description = "Offline RSS/Atom reader";
-    license = lib.licenses.agpl3Plus;
-    maintainers = [ ];
-    platforms = lib.platforms.linux;
-    mainProgram = "offrss";
-  };
-})
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 1b2cc27a6519..6c4ebfde14c3 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1390,6 +1390,7 @@ mapAliases {
   oauth2_proxy = throw "'oauth2_proxy' has been renamed to/replaced by 'oauth2-proxy'"; # Converted to throw 2024-10-17
   ocis-bin = throw "ocis-bin has been renamed to ocis_5-bin'. Future major.minor versions will be made available as separate packages"; # Added 2025-03-30
   odoo15 = throw "odoo15 has been removed from nixpkgs as it is unsupported; migrate to a newer version of odoo"; # Added 2025-05-06
+  offrss = throw "offrss has been removed due to lack of upstream maintenance; consider using another rss reader"; # Added 2025-06-01
   oil = lib.warnOnInstantiate "Oil has been replaced with the faster native C++ version and renamed to 'oils-for-unix'. See also https://github.com/oils-for-unix/oils/wiki/Oils-Deployments" oils-for-unix; # Added 2024-10-22
   onevpl-intel-gpu = lib.warnOnInstantiate "onevpl-intel-gpu has been renamed to vpl-gpu-rt" vpl-gpu-rt; # Added 2024-06-04
   openai-whisper-cpp = whisper-cpp; # Added 2024-12-13