diff --git a/pkgs/applications/misc/nixnote2/default.nix b/pkgs/applications/misc/nixnote2/default.nix
deleted file mode 100644
index 7da021150311..000000000000
--- a/pkgs/applications/misc/nixnote2/default.nix
+++ /dev/null
@@ -1,63 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchFromGitHub,
-  qmake,
-  wrapQtAppsHook,
-  boost,
-  qtbase,
-  qtwebkit,
-  poppler,
-  hunspell,
-  html-tidy,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "nixnote2";
-  version = "2.0.2";
-
-  src = fetchFromGitHub {
-    owner = "baumgarr";
-    repo = "nixnote2";
-    rev = "v${version}";
-    sha256 = "0cfq95mxvcgby66r61gclm1a2c6zck5aln04xmg2q8kg6p9d31fr";
-  };
-
-  nativeBuildInputs = [
-    qmake
-    wrapQtAppsHook
-  ];
-
-  buildInputs = [
-    boost
-    qtbase
-    qtwebkit
-    poppler
-    hunspell
-  ];
-
-  postPatch = ''
-    # Fix location of poppler-qt5.h
-    for f in threads/indexrunner.cpp html/noteformatter.cpp utilities/noteindexer.cpp gui/plugins/popplerviewer.h gui/plugins/pluginfactory.h gui/plugins/popplerviewer.cpp ; do
-      substituteInPlace $f \
-        --replace '#include <poppler-qt5.h>' '#include <poppler/qt5/poppler-qt5.h>'
-    done
-
-    substituteInPlace help/about.html --replace '__VERSION__' '${version}'
-
-    substituteInPlace nixnote.cpp --replace 'tidyProcess.start("tidy' 'tidyProcess.start("${html-tidy}/bin/tidy'
-  '';
-
-  postInstall = ''
-    cp images/windowIcon.png $out/share/pixmaps/nixnote2.png
-    cp theme.ini $out/share/nixnote2/theme.ini
-  '';
-
-  meta = {
-    description = "Unofficial client of Evernote";
-    homepage = "http://www.nixnote.org/";
-    license = lib.licenses.gpl2Plus;
-    maintainers = with lib.maintainers; [ htr ];
-    platforms = lib.platforms.linux;
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index b587da41b822..f41400041117 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1505,6 +1505,7 @@ mapAliases {
     else
       nixfmt;
   nixForLinking = throw "nixForLinking has been removed, use `nixVersions.nixComponents_<version>` instead"; # Added 2025-08-14
+  nixnote2 = throw "'nixnote2' has been removed as upstream has been unmaintained since 2017"; # Added 2026-04-26
   nixos-rebuild = nixos-rebuild-ng; # Added 2025-12-02
   nixosTest = throw "'nixosTest' has been renamed to/replaced by 'testers.nixosTest'"; # Converted to throw 2025-10-27
   nixStable = throw "'nixStable' has been renamed to/replaced by 'nixVersions.stable'"; # Converted to throw 2025-10-27
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2ef325b76472..b579caa77dd1 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2747,8 +2747,6 @@ with pkgs;
       ;
   };
 
-  nixnote2 = libsForQt5.callPackage ../applications/misc/nixnote2 { };
-
   nodejs = nodejs_24;
   nodejs-slim = nodejs-slim_24;