diff --git a/nixos/modules/services/desktop-managers/plasma6.nix b/nixos/modules/services/desktop-managers/plasma6.nix
index 67285acdfedf..fd4d1e409fa3 100644
--- a/nixos/modules/services/desktop-managers/plasma6.nix
+++ b/nixos/modules/services/desktop-managers/plasma6.nix
@@ -191,8 +191,8 @@ in
           # Only symlink the KIO plugins, so we don't accidentally pull any services
           # like KCMs or kcookiejar
           let
-            kioPluginPath = "${pkgs.plasma5Packages.qtbase.qtPluginPrefix}/kf5/kio";
-            inherit (pkgs.plasma5Packages) kio;
+            kioPluginPath = "${pkgs.libsForQt5.qtbase.qtPluginPrefix}/kf5/kio";
+            inherit (pkgs.libsForQt5.__internalKF5) kio;
           in
           pkgs.runCommand "kio5-plugins-only" { } ''
             mkdir -p $out/${kioPluginPath}
diff --git a/pkgs/by-name/ay/ayatana-indicator-datetime/package.nix b/pkgs/by-name/ay/ayatana-indicator-datetime/package.nix
index 1b88ff504e38..b678721ec1d3 100644
--- a/pkgs/by-name/ay/ayatana-indicator-datetime/package.nix
+++ b/pkgs/by-name/ay/ayatana-indicator-datetime/package.nix
@@ -97,7 +97,7 @@ stdenv.mkDerivation (finalAttrs: {
           mkcal
         ]
         ++ (with libsForQt5; [
-          kcalendarcore
+          __internalKF5.kcalendarcore
           qtbase
         ])
         ++ (with lomiri; [
diff --git a/pkgs/by-name/mk/mkcal/package.nix b/pkgs/by-name/mk/mkcal/package.nix
index 75bf10ce930d..a87dd92bf812 100644
--- a/pkgs/by-name/mk/mkcal/package.nix
+++ b/pkgs/by-name/mk/mkcal/package.nix
@@ -55,8 +55,8 @@ stdenv.mkDerivation (finalAttrs: {
   ]);
 
   buildInputs = with libsForQt5; [
-    kcalendarcore
     kdePackages.extra-cmake-modules
+    __internalKF5.kcalendarcore
     qtbase
     qtpim
     timed
diff --git a/pkgs/by-name/qt/qtorganizer-mkcal/package.nix b/pkgs/by-name/qt/qtorganizer-mkcal/package.nix
index ac1011bbe667..7768bafc85a4 100644
--- a/pkgs/by-name/qt/qtorganizer-mkcal/package.nix
+++ b/pkgs/by-name/qt/qtorganizer-mkcal/package.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation (finalAttrs: {
     mkcal
   ]
   ++ (with libsForQt5; [
-    kcalendarcore
+    __internalKF5.kcalendarcore
     qtbase
     qtpim
   ]);
diff --git a/pkgs/kde/misc/kio-extras-kf5/default.nix b/pkgs/kde/misc/kio-extras-kf5/default.nix
index 8a2804643e56..9a08af3eb75c 100644
--- a/pkgs/kde/misc/kio-extras-kf5/default.nix
+++ b/pkgs/kde/misc/kio-extras-kf5/default.nix
@@ -34,8 +34,11 @@ stdenv.mkDerivation rec {
     libsForQt5.wrapQtAppsHook
   ];
 
-  buildInputs = with libsForQt5; [
-    qtbase
+  buildInputs =
+    with libsForQt5;
+    with libsForQt5.__internalKF5;
+    [
+      qtbase
 
       kactivities
       kactivities-stats
diff --git a/pkgs/kde/plasma/breeze/default.nix b/pkgs/kde/plasma/breeze/default.nix
index ee32c6ccbc42..2d7b54ab7530 100644
--- a/pkgs/kde/plasma/breeze/default.nix
+++ b/pkgs/kde/plasma/breeze/default.nix
@@ -31,17 +31,17 @@ mkKdeDerivation {
     "-DQt5X11Extras_DIR=${libsForQt5.qtx11extras.dev}/lib/cmake/Qt5X11Extras"
     "-DQt5Xml_DIR=${libsForQt5.qtbase.dev}/lib/cmake/Qt5Xml"
 
-    "-DKF5Auth_DIR=${libsForQt5.kauth.dev}/lib/cmake/KF5Auth"
-    "-DKF5Codecs_DIR=${libsForQt5.kcodecs.dev}/lib/cmake/KF5Codecs"
-    "-DKF5Config_DIR=${libsForQt5.kconfig.dev}/lib/cmake/KF5Config"
-    "-DKF5ConfigWidgets_DIR=${libsForQt5.kconfigwidgets.dev}/lib/cmake/KF5ConfigWidgets"
-    "-DKF5CoreAddons_DIR=${libsForQt5.kcoreaddons.dev}/lib/cmake/KF5CoreAddons"
-    "-DKF5FrameworkIntegration_DIR=${libsForQt5.frameworkintegration.dev}/lib/cmake/KF5FrameworkIntegration"
-    "-DKF5GuiAddons_DIR=${libsForQt5.kguiaddons.dev}/lib/cmake/KF5GuiAddons"
-    "-DKF5IconThemes_DIR=${libsForQt5.kiconthemes.dev}/lib/cmake/KF5IconThemes"
-    "-DKF5Kirigami2_DIR=${libsForQt5.kirigami2.dev}/lib/cmake/KF5Kirigami2"
-    "-DKF5WidgetsAddons_DIR=${libsForQt5.kwidgetsaddons.dev}/lib/cmake/KF5WidgetsAddons"
-    "-DKF5WindowSystem_DIR=${libsForQt5.kwindowsystem.dev}/lib/cmake/KF5WindowSystem"
+    "-DKF5Auth_DIR=${libsForQt5.__internalKF5.kauth.dev}/lib/cmake/KF5Auth"
+    "-DKF5Codecs_DIR=${libsForQt5.__internalKF5.kcodecs.dev}/lib/cmake/KF5Codecs"
+    "-DKF5Config_DIR=${libsForQt5.__internalKF5.kconfig.dev}/lib/cmake/KF5Config"
+    "-DKF5ConfigWidgets_DIR=${libsForQt5.__internalKF5.kconfigwidgets.dev}/lib/cmake/KF5ConfigWidgets"
+    "-DKF5CoreAddons_DIR=${libsForQt5.__internalKF5.kcoreaddons.dev}/lib/cmake/KF5CoreAddons"
+    "-DKF5FrameworkIntegration_DIR=${libsForQt5.__internalKF5.frameworkintegration.dev}/lib/cmake/KF5FrameworkIntegration"
+    "-DKF5GuiAddons_DIR=${libsForQt5.__internalKF5.kguiaddons.dev}/lib/cmake/KF5GuiAddons"
+    "-DKF5IconThemes_DIR=${libsForQt5.__internalKF5.kiconthemes.dev}/lib/cmake/KF5IconThemes"
+    "-DKF5Kirigami2_DIR=${libsForQt5.__internalKF5.kirigami2.dev}/lib/cmake/KF5Kirigami2"
+    "-DKF5WidgetsAddons_DIR=${libsForQt5.__internalKF5.kwidgetsaddons.dev}/lib/cmake/KF5WidgetsAddons"
+    "-DKF5WindowSystem_DIR=${libsForQt5.__internalKF5.kwindowsystem.dev}/lib/cmake/KF5WindowSystem"
   ];
 
   # Move Qt5 plugin to Qt5 plugin path
diff --git a/pkgs/kde/plasma/kwayland-integration/default.nix b/pkgs/kde/plasma/kwayland-integration/default.nix
index d5cac90a030b..236f7f098fb1 100644
--- a/pkgs/kde/plasma/kwayland-integration/default.nix
+++ b/pkgs/kde/plasma/kwayland-integration/default.nix
@@ -29,8 +29,8 @@ stdenv.mkDerivation rec {
     libsForQt5.qtbase
     libsForQt5.qtwayland
 
-    libsForQt5.kwayland
-    libsForQt5.kwindowsystem
+    libsForQt5.__internalKF5.kwayland
+    libsForQt5.__internalKF5.kwindowsystem
 
     plasma-wayland-protocols
     wayland
diff --git a/pkgs/kde/plasma/oxygen/default.nix b/pkgs/kde/plasma/oxygen/default.nix
index 7d4eb0c37874..709405ef0a1b 100644
--- a/pkgs/kde/plasma/oxygen/default.nix
+++ b/pkgs/kde/plasma/oxygen/default.nix
@@ -27,20 +27,20 @@ mkKdeDerivation {
     "-DQt5X11Extras_DIR=${libsForQt5.qtx11extras.dev}/lib/cmake/Qt5X11Extras"
     "-DQt5Xml_DIR=${libsForQt5.qtbase.dev}/lib/cmake/Qt5Xml"
 
-    "-DKF5Auth_DIR=${libsForQt5.kauth.dev}/lib/cmake/KF5Auth"
-    "-DKF5Codecs_DIR=${libsForQt5.kcodecs.dev}/lib/cmake/KF5Codecs"
-    "-DKF5Config_DIR=${libsForQt5.kconfig.dev}/lib/cmake/KF5Config"
-    "-DKF5ConfigWidgets_DIR=${libsForQt5.kconfigwidgets.dev}/lib/cmake/KF5ConfigWidgets"
-    "-DKF5Completion_DIR=${libsForQt5.kcompletion.dev}/lib/cmake/KF5Completion"
-    "-DKF5CoreAddons_DIR=${libsForQt5.kcoreaddons.dev}/lib/cmake/KF5CoreAddons"
-    "-DKF5FrameworkIntegration_DIR=${libsForQt5.frameworkintegration.dev}/lib/cmake/KF5FrameworkIntegration"
-    "-DKF5GuiAddons_DIR=${libsForQt5.kguiaddons.dev}/lib/cmake/KF5GuiAddons"
-    "-DKF5IconThemes_DIR=${libsForQt5.kiconthemes.dev}/lib/cmake/KF5IconThemes"
-    "-DKF5I18n_DIR=${libsForQt5.ki18n.dev}/lib/cmake/KF5I18n"
-    "-DKF5Kirigami2_DIR=${libsForQt5.kirigami2.dev}/lib/cmake/KF5Kirigami2"
-    "-DKF5Service_DIR=${libsForQt5.kservice.dev}/lib/cmake/KF5Service"
-    "-DKF5WidgetsAddons_DIR=${libsForQt5.kwidgetsaddons.dev}/lib/cmake/KF5WidgetsAddons"
-    "-DKF5WindowSystem_DIR=${libsForQt5.kwindowsystem.dev}/lib/cmake/KF5WindowSystem"
+    "-DKF5Auth_DIR=${libsForQt5.__internalKF5.kauth.dev}/lib/cmake/KF5Auth"
+    "-DKF5Codecs_DIR=${libsForQt5.__internalKF5.kcodecs.dev}/lib/cmake/KF5Codecs"
+    "-DKF5Config_DIR=${libsForQt5.__internalKF5.kconfig.dev}/lib/cmake/KF5Config"
+    "-DKF5ConfigWidgets_DIR=${libsForQt5.__internalKF5.kconfigwidgets.dev}/lib/cmake/KF5ConfigWidgets"
+    "-DKF5Completion_DIR=${libsForQt5.__internalKF5.kcompletion.dev}/lib/cmake/KF5Completion"
+    "-DKF5CoreAddons_DIR=${libsForQt5.__internalKF5.kcoreaddons.dev}/lib/cmake/KF5CoreAddons"
+    "-DKF5FrameworkIntegration_DIR=${libsForQt5.__internalKF5.frameworkintegration.dev}/lib/cmake/KF5FrameworkIntegration"
+    "-DKF5GuiAddons_DIR=${libsForQt5.__internalKF5.kguiaddons.dev}/lib/cmake/KF5GuiAddons"
+    "-DKF5IconThemes_DIR=${libsForQt5.__internalKF5.kiconthemes.dev}/lib/cmake/KF5IconThemes"
+    "-DKF5I18n_DIR=${libsForQt5.__internalKF5.ki18n.dev}/lib/cmake/KF5I18n"
+    "-DKF5Kirigami2_DIR=${libsForQt5.__internalKF5.kirigami2.dev}/lib/cmake/KF5Kirigami2"
+    "-DKF5Service_DIR=${libsForQt5.__internalKF5.kservice.dev}/lib/cmake/KF5Service"
+    "-DKF5WidgetsAddons_DIR=${libsForQt5.__internalKF5.kwidgetsaddons.dev}/lib/cmake/KF5WidgetsAddons"
+    "-DKF5WindowSystem_DIR=${libsForQt5.__internalKF5.kwindowsystem.dev}/lib/cmake/KF5WindowSystem"
   ];
 
   # Move Qt5 plugin to Qt5 plugin path
diff --git a/pkgs/kde/plasma/plasma-integration/default.nix b/pkgs/kde/plasma/plasma-integration/default.nix
index 1de1631826fe..4fbb8512d45c 100644
--- a/pkgs/kde/plasma/plasma-integration/default.nix
+++ b/pkgs/kde/plasma/plasma-integration/default.nix
@@ -39,26 +39,26 @@ mkKdeDerivation {
     "-DQt5Xml_DIR=${libsForQt5.qtbase.dev}/lib/cmake/Qt5Xml"
     "-DQtWaylandScanner_EXECUTABLE=${libsForQt5.qtwayland.dev}/bin/qtwaylandscanner"
 
-    "-DKF5Auth_DIR=${libsForQt5.kauth.dev}/lib/cmake/KF5Auth"
-    "-DKF5Bookmarks_DIR=${libsForQt5.kbookmarks.dev}/lib/cmake/KF5Bookmarks"
-    "-DKF5Codecs_DIR=${libsForQt5.kcodecs.dev}/lib/cmake/KF5Codecs"
-    "-DKF5Completion_DIR=${libsForQt5.kcompletion.dev}/lib/cmake/KF5Completion"
-    "-DKF5Config_DIR=${libsForQt5.kconfig.dev}/lib/cmake/KF5Config"
-    "-DKF5ConfigWidgets_DIR=${libsForQt5.kconfigwidgets.dev}/lib/cmake/KF5ConfigWidgets"
-    "-DKF5CoreAddons_DIR=${libsForQt5.kcoreaddons.dev}/lib/cmake/KF5CoreAddons"
-    "-DKF5GuiAddons_DIR=${libsForQt5.kguiaddons.dev}/lib/cmake/KF5GuiAddons"
-    "-DKF5I18n_DIR=${libsForQt5.ki18n.dev}/lib/cmake/KF5I18n"
-    "-DKF5IconThemes_DIR=${libsForQt5.kiconthemes.dev}/lib/cmake/KF5IconThemes"
-    "-DKF5ItemViews_DIR=${libsForQt5.kitemviews.dev}/lib/cmake/KF5ItemViews"
-    "-DKF5JobWidgets_DIR=${libsForQt5.kjobwidgets.dev}/lib/cmake/KF5JobWidgets"
-    "-DKF5KIO_DIR=${libsForQt5.kio.dev}/lib/cmake/KF5KIO"
-    "-DKF5Notifications_DIR=${libsForQt5.knotifications.dev}/lib/cmake/KF5Notifications"
-    "-DKF5Service_DIR=${libsForQt5.kservice.dev}/lib/cmake/KF5Service"
-    "-DKF5Solid_DIR=${libsForQt5.solid.dev}/lib/cmake/KF5Solid"
-    "-DKF5Wayland_DIR=${libsForQt5.kwayland.dev}/lib/cmake/KF5Wayland"
-    "-DKF5WidgetsAddons_DIR=${libsForQt5.kwidgetsaddons.dev}/lib/cmake/KF5WidgetsAddons"
-    "-DKF5WindowSystem_DIR=${libsForQt5.kwindowsystem.dev}/lib/cmake/KF5WindowSystem"
-    "-DKF5XmlGui_DIR=${libsForQt5.kxmlgui.dev}/lib/cmake/KF5XmlGui"
+    "-DKF5Auth_DIR=${libsForQt5.__internalKF5.kauth.dev}/lib/cmake/KF5Auth"
+    "-DKF5Bookmarks_DIR=${libsForQt5.__internalKF5.kbookmarks.dev}/lib/cmake/KF5Bookmarks"
+    "-DKF5Codecs_DIR=${libsForQt5.__internalKF5.kcodecs.dev}/lib/cmake/KF5Codecs"
+    "-DKF5Completion_DIR=${libsForQt5.__internalKF5.kcompletion.dev}/lib/cmake/KF5Completion"
+    "-DKF5Config_DIR=${libsForQt5.__internalKF5.kconfig.dev}/lib/cmake/KF5Config"
+    "-DKF5ConfigWidgets_DIR=${libsForQt5.__internalKF5.kconfigwidgets.dev}/lib/cmake/KF5ConfigWidgets"
+    "-DKF5CoreAddons_DIR=${libsForQt5.__internalKF5.kcoreaddons.dev}/lib/cmake/KF5CoreAddons"
+    "-DKF5GuiAddons_DIR=${libsForQt5.__internalKF5.kguiaddons.dev}/lib/cmake/KF5GuiAddons"
+    "-DKF5I18n_DIR=${libsForQt5.__internalKF5.ki18n.dev}/lib/cmake/KF5I18n"
+    "-DKF5IconThemes_DIR=${libsForQt5.__internalKF5.kiconthemes.dev}/lib/cmake/KF5IconThemes"
+    "-DKF5ItemViews_DIR=${libsForQt5.__internalKF5.kitemviews.dev}/lib/cmake/KF5ItemViews"
+    "-DKF5JobWidgets_DIR=${libsForQt5.__internalKF5.kjobwidgets.dev}/lib/cmake/KF5JobWidgets"
+    "-DKF5KIO_DIR=${libsForQt5.__internalKF5.kio.dev}/lib/cmake/KF5KIO"
+    "-DKF5Notifications_DIR=${libsForQt5.__internalKF5.knotifications.dev}/lib/cmake/KF5Notifications"
+    "-DKF5Service_DIR=${libsForQt5.__internalKF5.kservice.dev}/lib/cmake/KF5Service"
+    "-DKF5Solid_DIR=${libsForQt5.__internalKF5.solid.dev}/lib/cmake/KF5Solid"
+    "-DKF5Wayland_DIR=${libsForQt5.__internalKF5.kwayland.dev}/lib/cmake/KF5Wayland"
+    "-DKF5WidgetsAddons_DIR=${libsForQt5.__internalKF5.kwidgetsaddons.dev}/lib/cmake/KF5WidgetsAddons"
+    "-DKF5WindowSystem_DIR=${libsForQt5.__internalKF5.kwindowsystem.dev}/lib/cmake/KF5WindowSystem"
+    "-DKF5XmlGui_DIR=${libsForQt5.__internalKF5.kxmlgui.dev}/lib/cmake/KF5XmlGui"
   ];
 
   extraBuildInputs = [
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e3c69b428764..ae67292ec8e1 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7137,9 +7137,6 @@ with pkgs;
     }
   );
 
-  # plasma5Packages maps to the Qt5 packages set that is used to build the plasma5 desktop
-  plasma5Packages = libsForQt5;
-
   qtEnv = qt5.env;
 
   qt6 = recurseIntoAttrs (callPackage ../development/libraries/qt-6 { });
diff --git a/pkgs/top-level/qt5-packages.nix b/pkgs/top-level/qt5-packages.nix
index 1f4f56170d54..6e753238312f 100644
--- a/pkgs/top-level/qt5-packages.nix
+++ b/pkgs/top-level/qt5-packages.nix
@@ -51,15 +51,15 @@ makeScopeWithSplicing' {
 
     in
     (noExtraAttrs (
-      kdeFrameworks
-      // qt5
+      qt5
       // {
 
         inherit
-          kdeFrameworks
           qt5
           ;
 
+        __internalKF5 = lib.dontRecurseIntoAttrs kdeFrameworks;
+
         ### LIBRARIES
 
         accounts-qml-module = callPackage ../development/libraries/accounts-qml-module { };