diff --git a/pkgs/by-name/gt/gtklp/000-autoconf.patch b/pkgs/by-name/gt/gtklp/000-autoconf.patch
deleted file mode 100644
index c1698bee1fdc..000000000000
--- a/pkgs/by-name/gt/gtklp/000-autoconf.patch
+++ /dev/null
@@ -1,23 +0,0 @@
-Patch origin: http://sophie.zarb.org/rpms/68e90a72e0052022f558148d97c9ea2a/files/3
-
-diff --git a/configure.ac b/configure.ac
-index b7a30e9..3768ae9 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -8,6 +8,7 @@ AC_CONFIG_HEADERS([config.h])
- 
- AC_CONFIG_MACRO_DIR([m4])
- AM_GNU_GETTEXT([external])
-+AM_GNU_GETTEXT_REQUIRE_VERSION([0.21])
- 
- dnl Extra params
- CUPSCONFIGPATH=""
-@@ -30,8 +31,6 @@ AC_SUBST(XLIBS)
- 
- dnl Checks for header files
- 
--dnl internationalization macros
--AM_GNU_GETTEXT
- 
- 
- # Forte Compiler ############################################################
diff --git a/pkgs/by-name/gt/gtklp/001-format-parameter.patch b/pkgs/by-name/gt/gtklp/001-format-parameter.patch
deleted file mode 100644
index 6cfc90beb02a..000000000000
--- a/pkgs/by-name/gt/gtklp/001-format-parameter.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-Patch source: http://sophie.zarb.org/rpms/68e90a72e0052022f558148d97c9ea2a/files/1
-
---- a/libgtklp/libgtklp.c	2020-08-25 17:31:52.427298559 +0100
-+++ b/libgtklp/libgtklp.c	2020-08-25 17:36:37.728154682 +0100
-@@ -939,7 +939,7 @@
- 		gtk_widget_show(pixmapwid);
- 
- 		if (strlen(gerror2) == 0)
--			snprintf(tmplabel, (size_t) MAXLINE, gerror1);
-+			snprintf(tmplabel, (size_t) MAXLINE, "%s", gerror1);
- 		else
- 			snprintf(tmplabel, (size_t) MAXLINE, gerror1, gerror2);
- 		label = gtk_label_new(tmplabel);
-@@ -973,7 +973,7 @@
- #endif
- 	} else {
- 		if (strlen(gerror2) == 0)
--			g_warning(gerror1);
-+			g_warning("%s", gerror1);
- 		else
- 			g_warning(gerror1, gerror2);
- 	}
diff --git a/pkgs/by-name/gt/gtklp/package.nix b/pkgs/by-name/gt/gtklp/package.nix
deleted file mode 100644
index 8b4f3b209865..000000000000
--- a/pkgs/by-name/gt/gtklp/package.nix
+++ /dev/null
@@ -1,76 +0,0 @@
-{
-  lib,
-  stdenv,
-  autoreconfHook,
-  cups,
-  fetchurl,
-  gettext,
-  glib,
-  gtk2,
-  libtool,
-  openssl,
-  pkg-config,
-}:
-
-stdenv.mkDerivation (finalAttrs: {
-  pname = "gtklp";
-  version = "1.3.4";
-
-  src = fetchurl {
-    url = "mirror://sourceforge/gtklp/gtklp-${finalAttrs.version}.src.tar.gz";
-    hash = "sha256-vgdgkEJZX6kyA047LXA4zvM5AewIY/ztu1GIrLa1O6s=";
-  };
-
-  nativeBuildInputs = [
-    autoreconfHook
-    pkg-config
-    cups
-  ];
-
-  buildInputs = [
-    cups
-    gettext
-    glib
-    gtk2
-    libtool
-    openssl
-  ];
-
-  outputs = [
-    "out"
-    "doc"
-    "man"
-  ];
-
-  strictDeps = true;
-
-  patches = [
-    ./000-autoconf.patch
-    ./001-format-parameter.patch
-  ];
-
-  # Workaround build failure on -fno-common toolchains:
-  #   ld: libgtklp.a(libgtklp.o):libgtklp/libgtklp.h:83: multiple definition of `progressBar';
-  #     file.o:libgtklp/libgtklp.h:83: first defined here
-  env.NIX_CFLAGS_COMPILE = "-fcommon";
-
-  postPatch = ''
-    substituteInPlace include/defaults.h \
-      --replace "netscape" "firefox" \
-      --replace "http://localhost:631/sum.html#STANDARD_OPTIONS" \
-                "http://localhost:631/help/"
-  '';
-
-  preInstall = ''
-    install -D -m0644 -t $doc/share/doc AUTHORS BUGS ChangeLog README USAGE
-  '';
-
-  meta = {
-    homepage = "https://gtklp.sirtobi.com";
-    description = "GTK-based graphical frontend for CUPS";
-    license = with lib.licenses; [ gpl2Only ];
-    mainProgram = "gtklp";
-    maintainers = [ ];
-    platforms = lib.platforms.unix;
-  };
-})
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 4120f7f074c8..0a581bef2a4d 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -973,6 +973,7 @@ mapAliases {
   gtkcord4 = throw "'gtkcord4' has been renamed to/replaced by 'dissent'"; # Converted to throw 2025-10-27
   gtkextra = throw "'gtkextra' has been removed due to lack of maintenance upstream."; # Added 2025-06-10
   gtkgnutella = gtk-gnutella; # Added 2026-05-21
+  gtklp = throw "'gtklp' has been removed, as it depended on GTK 2. Consider using 'system-config-printer' instead."; # Added 2026-05-22
   gtuber = throw "'gtuber' has been removed due to being discontinued by upstream."; # Added 2025-12-12
   gui-for-clash = throw "'gui-for-clash' has been removed, as it is unmaintained"; # Added 2026-05-28
   guile-disarchive = throw "'guile-disarchive' has been renamed to/replaced by 'disarchive'"; # Converted to throw 2025-10-27