diff --git a/pkgs/build-support/kde/derivation.nix b/pkgs/build-support/kde/derivation.nix
new file mode 100644
index 000000000000..2e29a0a661e1
--- /dev/null
+++ b/pkgs/build-support/kde/derivation.nix
@@ -0,0 +1,17 @@
+{ stdenv, lib, debug ? false }:
+
+args:
+
+stdenv.mkDerivation (args // {
+
+  outputs = args.outputs or [ "out" "dev" ];
+
+  propagatedUserEnvPkgs =
+    builtins.map lib.getBin (args.propagatedBuildInputs or []);
+
+  cmakeFlags =
+    (args.cmakeFlags or [])
+    ++ [ "-DBUILD_TESTING=OFF" ]
+    ++ lib.optional debug "-DCMAKE_BUILD_TYPE=Debug";
+
+})
diff --git a/pkgs/desktops/kde-5/applications/default.nix b/pkgs/desktops/kde-5/applications/default.nix
index a53bbedc2c54..832b88c7e803 100644
--- a/pkgs/desktops/kde-5/applications/default.nix
+++ b/pkgs/desktops/kde-5/applications/default.nix
@@ -27,7 +27,7 @@ still shows most of the available features is in `./gwenview.nix`.
 
 {
   stdenv, lib, libsForQt5, fetchurl,
-  plasma5,
+  kdeDerivation, plasma5,
   attica, phonon,
   debug ? false,
 }:
@@ -40,9 +40,8 @@ let
   packages = self: with self; {
 
     kdeApp = import ./kde-app.nix {
-      inherit lib;
+      inherit lib kdeDerivation;
       inherit debug srcs;
-      inherit (libsForQt5) kdeDerivation;
     };
 
     kdelibs = callPackage ./kdelibs {
diff --git a/pkgs/desktops/plasma-5/default.nix b/pkgs/desktops/plasma-5/default.nix
index 683154273ae6..b240ef7496c6 100644
--- a/pkgs/desktops/plasma-5/default.nix
+++ b/pkgs/desktops/plasma-5/default.nix
@@ -26,7 +26,7 @@ existing packages here and modify it as necessary.
 
 {
   stdenv, lib, libsForQt5, makeSetupHook, symlinkJoin, fetchurl,
-  gconf,
+  gconf, kdeDerivation,
   debug ? false,
 }:
 
@@ -41,7 +41,7 @@ let
         inherit (args) name;
         sname = args.sname or name;
         inherit (srcs."${sname}") src version;
-      in libsForQt5.kdeDerivation (args // {
+      in kdeDerivation (args // {
         name = "${name}-${version}";
         inherit src;
 
diff --git a/pkgs/development/libraries/kde-frameworks/default.nix b/pkgs/development/libraries/kde-frameworks/default.nix
index ffb8fb04078b..1ce3d62cf169 100644
--- a/pkgs/development/libraries/kde-frameworks/default.nix
+++ b/pkgs/development/libraries/kde-frameworks/default.nix
@@ -26,7 +26,7 @@ existing packages here and modify it as necessary.
 
 {
   stdenv, lib, makeSetupHook, makeWrapper, fetchurl, buildEnv,
-  callPackage,
+  kdeDerivation, callPackage,
   debug ? false
 }:
 
@@ -37,22 +37,6 @@ let
 
   packages = rec {
 
-    kdeDerivation = args:
-      let
-      in stdenv.mkDerivation (args // {
-
-        outputs = args.outputs or [ "out" "dev" ];
-
-        propagatedUserEnvPkgs =
-          builtins.map lib.getBin (args.propagatedBuildInputs or []);
-
-        cmakeFlags =
-          (args.cmakeFlags or [])
-          ++ [ "-DBUILD_TESTING=OFF" ]
-          ++ lib.optional debug "-DCMAKE_BUILD_TYPE=Debug";
-
-      });
-
     kdeFramework = args:
       let
         inherit (args) name;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c3e02816e498..7edbbf3b1f7f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -269,6 +269,8 @@ with pkgs;
       inherit kernel rootModules allowMissing;
     };
 
+  kdeDerivation = import ../build-support/kde/derivation.nix { inherit stdenv lib; };
+
   nixBufferBuilders = import ../build-support/emacs/buffer.nix { inherit (pkgs) lib writeText; inherit (emacsPackagesNg) inherit-local; };
 
   pathsFromGraph = ../build-support/kernel/paths-from-graph.pl;
@@ -9337,11 +9339,15 @@ with pkgs;
 
   mkLibsForQt5 = self: with self;
     let kdeFrameworks = import ../development/libraries/kde-frameworks {
-          inherit stdenv lib makeSetupHook makeWrapper fetchurl buildEnv;
+          inherit stdenv lib kdeDerivation makeSetupHook makeWrapper fetchurl buildEnv;
           inherit (self) callPackage;
         };
     in {
 
+    ### BUILD SUPPORT
+
+    ### LIBRARIES
+
     accounts-qt = callPackage ../development/libraries/accounts-qt { };
 
     fcitx-qt5 = callPackage ../tools/inputmethods/fcitx/fcitx-qt5.nix { };
@@ -14047,7 +14053,7 @@ with pkgs;
 
   kdeApplications = import ../desktops/kde-5/applications {
     inherit stdenv lib libsForQt5 fetchurl;
-    inherit plasma5;
+    inherit kdeDerivation plasma5;
     inherit attica phonon;
   };
 
@@ -16814,6 +16820,7 @@ with pkgs;
 
   plasma5 = import ../desktops/plasma-5 {
     inherit stdenv lib libsForQt5 makeSetupHook symlinkJoin fetchurl;
+    inherit kdeDerivation;
     inherit (gnome3) gconf;
   };