diff --git a/pkgs/desktops/kde-5/plasma-5.6/kdeplasma-addons.nix b/pkgs/desktops/kde-5/plasma-5.6/kdeplasma-addons.nix
index 128cfe34d0d..570112e4480 100644
--- a/pkgs/desktops/kde-5/plasma-5.6/kdeplasma-addons.nix
+++ b/pkgs/desktops/kde-5/plasma-5.6/kdeplasma-addons.nix
@@ -10,12 +10,9 @@ plasmaPackage {
     extra-cmake-modules
     kdoctools
   ];
-  buildInputs = [
-    ibus kconfig kconfigwidgets kcoreaddons kcmutils
-    knewstuff kservice kunitconversion
-  ];
   propagatedBuildInputs = [
     kdelibs4support kio kross krunner plasma-framework plasma-workspace
-    qtdeclarative qtx11extras
+    qtdeclarative qtx11extras ibus kconfig kconfigwidgets kcoreaddons kcmutils
+    knewstuff kservice kunitconversion
   ];
 }