diff --git a/pkgs/applications/kde-apps-15.12/kde-app.nix b/pkgs/applications/kde-apps-15.12/kde-app.nix
index 242f3d9c793d..2f1fdc1d643c 100644
--- a/pkgs/applications/kde-apps-15.12/kde-app.nix
+++ b/pkgs/applications/kde-apps-15.12/kde-app.nix
@@ -11,6 +11,8 @@ stdenv.mkDerivation (args // {
   name = "${name}-${version}";
   inherit src;
 
+  outputs = args.outputs or [ "dev" "out" ];
+
   cmakeFlags =
     (args.cmakeFlags or [])
     ++ [ "-DBUILD_TESTING=OFF" ]
diff --git a/pkgs/applications/kde-apps-15.12/kde-locale-4.nix b/pkgs/applications/kde-apps-15.12/kde-locale-4.nix
index 4b612ee3e3c2..e83794c60d81 100644
--- a/pkgs/applications/kde-apps-15.12/kde-locale-4.nix
+++ b/pkgs/applications/kde-apps-15.12/kde-locale-4.nix
@@ -6,6 +6,8 @@ kdeApp (args // {
   sname = "kde-l10n-${name}";
   name = "kde-l10n-${name}-qt4";
 
+  outputs = [ "out" ];
+
   nativeBuildInputs =
     [ automoc4 cmake gettext perl ]
     ++ (args.nativeBuildInputs or []);
@@ -17,4 +19,9 @@ kdeApp (args // {
     sed -e 's/add_subdirectory(5)//' -i CMakeLists.txt
     ${args.preConfigure or ""}
   '';
+
+  preFixup = ''
+    propagatedBuildInputs=
+    propagatedNativeBuildInputs=
+  '';
 })
diff --git a/pkgs/applications/kde-apps-15.12/kde-locale-5.nix b/pkgs/applications/kde-apps-15.12/kde-locale-5.nix
index 522fc542aeb2..772ebe37e44f 100644
--- a/pkgs/applications/kde-apps-15.12/kde-locale-5.nix
+++ b/pkgs/applications/kde-apps-15.12/kde-locale-5.nix
@@ -6,6 +6,8 @@ kdeApp (args // {
   sname = "kde-l10n-${name}";
   name = "kde-l10n-${name}-qt5";
 
+  outputs = [ "out" ];
+
   nativeBuildInputs =
     [ cmake extra-cmake-modules gettext kdoctools ]
     ++ (args.nativeBuildInputs or []);
@@ -14,4 +16,9 @@ kdeApp (args // {
     sed -e 's/add_subdirectory(4)//' -i CMakeLists.txt
     ${args.preConfigure or ""}
   '';
+
+  preFixup = ''
+    propagatedBuildInputs=
+    propagatedNativeBuildInputs=
+  '';
 })
diff --git a/pkgs/applications/kde-apps-15.12/kdelibs/default.nix b/pkgs/applications/kde-apps-15.12/kdelibs/default.nix
index 91c1f3af448a..389362deecc6 100644
--- a/pkgs/applications/kde-apps-15.12/kdelibs/default.nix
+++ b/pkgs/applications/kde-apps-15.12/kdelibs/default.nix
@@ -9,6 +9,8 @@
 kdeApp {
   name = "kdelibs";
 
+  outputs = [ "out" ];
+
   buildInputs = [
     attica attr avahi giflib libdbusmenu_qt libjpeg libxml2
     polkit_qt4 qca2 shared_desktop_ontologies udev xz pcre