diff --git a/pkgs/by-name/re/rep-gtk/package.nix b/pkgs/by-name/re/rep-gtk/package.nix
deleted file mode 100644
index 1535968e6d7d..000000000000
--- a/pkgs/by-name/re/rep-gtk/package.nix
+++ /dev/null
@@ -1,53 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchFromGitHub,
-  autoreconfHook,
-  gtk2-x11,
-  librep,
-  pkg-config,
-}:
-
-stdenv.mkDerivation (finalAttrs: {
-  pname = "rep-gtk";
-  version = "0.90.8.3";
-
-  src = fetchFromGitHub {
-    owner = "SawfishWM";
-    repo = "rep-gtk";
-    tag = "rep-gtk-${finalAttrs.version}";
-    hash = "sha256-vEhs7QsQUdeEiHZ6AOri6+SLz3Lq/s6j8rALhY0Xqsc=";
-  };
-
-  nativeBuildInputs = [
-    autoreconfHook
-    pkg-config
-    librep
-  ];
-
-  buildInputs = [
-    gtk2-x11
-    librep
-  ];
-
-  strictDeps = true;
-  enableParallelBuilding = true;
-
-  env.NIX_CFLAGS_COMPILE = toString [
-    "-Wno-error=implicit-function-declaration"
-    "-Wno-error=int-conversion"
-    "-Wno-error=incompatible-pointer-types"
-  ];
-
-  patchPhase = ''
-    sed -e 's|installdir=$(repexecdir)|installdir=$(libdir)/rep|g' -i Makefile.in
-  '';
-
-  meta = {
-    homepage = "http://sawfish.tuxfamily.org";
-    description = "GTK bindings for librep";
-    license = lib.licenses.gpl2Plus;
-    maintainers = [ ];
-    platforms = lib.platforms.unix;
-  };
-})
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index c72c0771b375..78942ebee404 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -2084,6 +2084,7 @@ mapAliases {
   reiserfsprogs = throw "'reiserfsprogs' has been removed as ReiserFS has not been actively maintained for many years."; # Added 2025-11-13
   remodel = throw "'remodel' has been removed because it was unmaintained upstream, deprecated in favor of 'lune'"; # Added 2026-05-08
   remotebox = throw "remotebox has been removed because it was unmaintained and broken for a long time"; # Added 2025-09-11
+  rep-gtk = throw "'rep-gtk' has been removed because it depended on the deprecated GTK2 engine."; # Added 2026-08-03
   resp-app = throw "'resp-app' has been replaced by 'redisinsight'"; # Added 2025-12-17
   responsively-app = throw "'responsively-app' has been removed due to lack of maintenance upstream."; # Added 2025-06-25
   retroarchBare = throw "'retroarchBare' has been renamed to/replaced by 'retroarch-bare'"; # Converted to throw 2025-10-27