diff --git a/pkgs/applications/kde-apps-15.08/default.nix b/pkgs/applications/kde-apps-15.08/default.nix
index d374f2b12875..914b0c8e4aa4 100644
--- a/pkgs/applications/kde-apps-15.08/default.nix
+++ b/pkgs/applications/kde-apps-15.08/default.nix
@@ -21,25 +21,10 @@ let
   srcs = import ./srcs.nix { inherit (pkgs) fetchurl; inherit mirror; };
   mirror = "mirror://kde";
 
-  kdeApp = args:
-    let
-      inherit (args) name;
-      sname = args.sname or name;
-      inherit (srcs."${sname}") src version;
-    in stdenv.mkDerivation (args // {
-      name = "${name}-${version}";
-      inherit src;
-
-      cmakeFlags =
-        (args.cmakeFlags or [])
-        ++ [ "-DBUILD_TESTING=OFF" ]
-        ++ lib.optional debug "-DCMAKE_BUILD_TYPE=Debug";
-
-      meta = {
-        platforms = lib.platforms.linux;
-        homepage = "http://www.kde.org";
-      } // (args.meta or {});
-    });
+  kdeApp = import ./kde-app.nix {
+    inherit stdenv lib;
+    inherit debug srcs;
+  };
 
   kdeLocale4 = name: args:
     { kdeApp, automoc4, cmake, gettext, kdelibs, perl }:
diff --git a/pkgs/applications/kde-apps-15.08/kde-app.nix b/pkgs/applications/kde-apps-15.08/kde-app.nix
new file mode 100644
index 000000000000..242f3d9c793d
--- /dev/null
+++ b/pkgs/applications/kde-apps-15.08/kde-app.nix
@@ -0,0 +1,23 @@
+{ stdenv, lib, debug, srcs }:
+
+args:
+
+let
+  inherit (args) name;
+  sname = args.sname or name;
+  inherit (srcs."${sname}") src version;
+in
+stdenv.mkDerivation (args // {
+  name = "${name}-${version}";
+  inherit src;
+
+  cmakeFlags =
+    (args.cmakeFlags or [])
+    ++ [ "-DBUILD_TESTING=OFF" ]
+    ++ lib.optional debug "-DCMAKE_BUILD_TYPE=Debug";
+
+  meta = {
+    platforms = lib.platforms.linux;
+    homepage = "http://www.kde.org";
+  } // (args.meta or {});
+})