diff --git a/pkgs/desktops/kde-5/plasma-5.6/powerdevil.nix b/pkgs/desktops/kde-5/plasma-5.6/powerdevil.nix
index 475e8878206..8f3b354b947 100644
--- a/pkgs/desktops/kde-5/plasma-5.6/powerdevil.nix
+++ b/pkgs/desktops/kde-5/plasma-5.6/powerdevil.nix
@@ -10,11 +10,9 @@ plasmaPackage {
     extra-cmake-modules
     kdoctools
   ];
-  buildInputs = [
-    kconfig kdbusaddons knotifyconfig solid udev
-  ];
   propagatedBuildInputs = [
-    kactivities kauth kdelibs4support kglobalaccel ki18n kio kidletime
-    kwayland libkscreen plasma-workspace qtx11extras
+    kconfig kdbusaddons knotifyconfig solid udev kactivities kauth
+    kdelibs4support kglobalaccel ki18n kio kidletime kwayland libkscreen
+    plasma-workspace qtx11extras
   ];
 }