diff --git a/pkgs/desktops/kde-5/plasma-5.6/kscreenlocker.nix b/pkgs/desktops/kde-5/plasma-5.6/kscreenlocker.nix
index 562797b546e..2cb3aac0f55 100644
--- a/pkgs/desktops/kde-5/plasma-5.6/kscreenlocker.nix
+++ b/pkgs/desktops/kde-5/plasma-5.6/kscreenlocker.nix
@@ -9,11 +9,8 @@ plasmaPackage {
     extra-cmake-modules
     kdoctools
   ];
-  buildInputs = [
-    kcmutils kcrash kdelibs4support kglobalaccel kidletime kwayland
-    libXcursor pam wayland
-  ];
   propagatedBuildInputs = [
-    kdeclarative plasma-framework qtdeclarative
+    kdeclarative plasma-framework qtdeclarative kcmutils kcrash kdelibs4support
+    kglobalaccel kidletime kwayland libXcursor pam wayland
   ];
 }