diff --git a/pkgs/development/libraries/qwlroots/default.nix b/pkgs/development/libraries/qwlroots/default.nix
deleted file mode 100644
index 49a105281e05..000000000000
--- a/pkgs/development/libraries/qwlroots/default.nix
+++ /dev/null
@@ -1,75 +0,0 @@
-{
-  stdenv,
-  lib,
-  fetchFromGitHub,
-  cmake,
-  pkg-config,
-  wrapQtAppsHook,
-  wayland-scanner,
-  qtbase,
-  wayland,
-  wayland-protocols,
-  wlr-protocols,
-  pixman,
-  libgbm,
-  vulkan-loader,
-  libinput,
-  libxcb-errors,
-  libxdmcp,
-  seatd,
-  wlroots,
-}:
-
-stdenv.mkDerivation (finalAttrs: {
-  pname = "qwlroots";
-  version = "0.5.3";
-
-  src = fetchFromGitHub {
-    owner = "vioken";
-    repo = "qwlroots";
-    rev = finalAttrs.version;
-    hash = "sha256-ZyG0JGUlz/ubtwN5wYtC8qeYsPur+0kTkD7iIjHX7KU=";
-  };
-
-  nativeBuildInputs = [
-    cmake
-    pkg-config
-    wayland-scanner
-  ];
-
-  buildInputs = [
-    qtbase
-    wayland
-    wayland-protocols
-    wlr-protocols
-    pixman
-    libgbm
-    vulkan-loader
-    libinput
-    libxdmcp
-    libxcb-errors
-    seatd
-  ];
-
-  propagatedBuildInputs = [
-    wlroots
-  ];
-
-  cmakeFlags = [
-    (lib.cmakeBool "PREFER_QT_5" (lib.versionOlder qtbase.version "6"))
-  ];
-
-  dontWrapQtApps = true;
-
-  meta = {
-    description = "Qt and QML bindings for wlroots";
-    homepage = "https://github.com/vioken/qwlroots";
-    license = with lib.licenses; [
-      gpl3Only
-      lgpl3Only
-      asl20
-    ];
-    platforms = wlroots.meta.platforms;
-    maintainers = with lib.maintainers; [ wineee ];
-  };
-})
diff --git a/pkgs/development/libraries/waylib/default.nix b/pkgs/development/libraries/waylib/default.nix
deleted file mode 100644
index b6cb99025d64..000000000000
--- a/pkgs/development/libraries/waylib/default.nix
+++ /dev/null
@@ -1,74 +0,0 @@
-{
-  stdenv,
-  lib,
-  fetchFromGitHub,
-  cmake,
-  pkg-config,
-  wayland-scanner,
-  wrapQtAppsHook,
-  qtbase,
-  qtdeclarative,
-  qwlroots,
-  wayland,
-  wayland-protocols,
-  wlr-protocols,
-  pixman,
-  libdrm,
-  libinput,
-}:
-
-stdenv.mkDerivation (finalAttrs: {
-  pname = "waylib";
-  version = "0.6.14";
-
-  src = fetchFromGitHub {
-    owner = "vioken";
-    repo = "waylib";
-    rev = finalAttrs.version;
-    hash = "sha256-Yp7j1L+b41pmLWhxYN4M9W8OjXA31za3Ufp/iE3U/vM=";
-  };
-
-  depsBuildBuild = [
-    # To find wayland-scanner
-    pkg-config
-  ];
-
-  nativeBuildInputs = [
-    cmake
-    pkg-config
-    wayland-scanner
-  ];
-
-  buildInputs = [
-    qtbase
-    qtdeclarative
-    qwlroots
-    wayland
-    wayland-protocols
-    wlr-protocols
-    pixman
-    libdrm
-    libinput
-  ];
-
-  strictDeps = true;
-
-  dontWrapQtApps = true;
-
-  outputs = [
-    "out"
-    "dev"
-  ];
-
-  meta = {
-    description = "Wrapper for wlroots based on Qt";
-    homepage = "https://github.com/vioken/waylib";
-    license = with lib.licenses; [
-      gpl3Only
-      lgpl3Only
-      asl20
-    ];
-    platforms = lib.platforms.linux;
-    maintainers = with lib.maintainers; [ wineee ];
-  };
-})
diff --git a/pkgs/top-level/qt6-packages.nix b/pkgs/top-level/qt6-packages.nix
index d424a7168b75..8350bfd1317e 100644
--- a/pkgs/top-level/qt6-packages.nix
+++ b/pkgs/top-level/qt6-packages.nix
@@ -126,10 +126,6 @@ makeScopeWithSplicing' {
 
       qtspell = callPackage ../development/libraries/qtspell { };
 
-      qwlroots = callPackage ../development/libraries/qwlroots {
-        wlroots = pkgs.wlroots_0_18;
-      };
-
       qwt = callPackage ../development/libraries/qwt/default.nix { };
 
       qxlsx = callPackage ../development/libraries/qxlsx { };
@@ -157,9 +153,17 @@ makeScopeWithSplicing' {
 
       timed = callPackage ../applications/system/timed { };
 
-      waylib = callPackage ../development/libraries/waylib { };
-
       wayqt = callPackage ../development/libraries/wayqt { };
     }
+    // lib.optionalAttrs config.allowAliases {
+      qwlroots = throw ''
+        'qt6Packages.qwlroots' has been removed because it has been merged into treeland upstream.
+        The upstream no longer provides it as a standalone development library.
+      ''; # Added 2025-02-07
+      waylib = throw ''
+        'qt6Packages.waylib' has been removed because it has been merged into treeland upstream.
+        The upstream no longer provides it as a standalone development library.
+      ''; # Added 2025-02-07
+    }
   );
 }