diff --git a/pkgs/desktops/kde-4.7/base-runtime/default.nix b/pkgs/desktops/kde-4.7/base-runtime/default.nix
deleted file mode 100644
index 293bc8dd04d6..000000000000
--- a/pkgs/desktops/kde-4.7/base-runtime/default.nix
+++ /dev/null
@@ -1,24 +0,0 @@
-{ kde, cmake, perl, bzip2, xz, qt4, alsaLib, xineLib, samba,
-  shared_mime_info, exiv2, libssh , kdelibs, automoc4, strigi, soprano,
-  cluceneCore, attica, virtuoso, makeWrapper, oxygen_icons }:
-
-kde.package {
-
-  buildInputs = [ cmake perl bzip2 xz qt4 alsaLib xineLib samba shared_mime_info
-    exiv2 libssh kdelibs automoc4 strigi soprano cluceneCore attica
-    makeWrapper];
-
-# TODO: OpenSLP, OpenEXR
-  postInstall = ''
-    rm -v $out/share/icons/default.kde4
-    wrapProgram "$out/bin/nepomukservicestub" --prefix LD_LIBRARY_PATH : "${virtuoso}/lib" \
-        --prefix PATH : "${virtuoso}/bin"
-  '';
-
-  meta = {
-    description = "KDE runtime";
-    longDescription = "Libraries and tools which supports running KDE desktop applications";
-    license = "LGPL";
-    kde.name = "kdebase-runtime";
-  };
-}
diff --git a/pkgs/desktops/kde-4.7/base-workspace/default.nix b/pkgs/desktops/kde-4.7/base-workspace/default.nix
deleted file mode 100644
index 0fbafd2e4071..000000000000
--- a/pkgs/desktops/kde-4.7/base-workspace/default.nix
+++ /dev/null
@@ -1,31 +0,0 @@
-{ kde, cmake, perl, python, pam, consolekit
-, qt4, sip, pyqt4, kdelibs, kdepimlibs, kdebindings
-, libXi, libXau, libXdmcp, libXtst, libXcomposite, libXdamage, libXScrnSaver
-, lm_sensors, libxklavier, libusb, libpthreadstubs, boost
-, automoc4, strigi, soprano, qimageblitz, akonadi
-, libdbusmenu_qt, libqalculate, pciutils, libraw1394, bluez, networkmanager
-}:
-
-kde.package {
-
-# TODO: qedje, qzion, ggadgets, libgps
-  buildInputs = [ cmake perl python qt4 pam consolekit sip pyqt4 kdelibs libXtst
-    kdepimlibs kdebindings boost libusb libXi libXau libXdmcp libraw1394
-    libXcomposite libXdamage libXScrnSaver lm_sensors libxklavier automoc4
-    strigi soprano qimageblitz akonadi libpthreadstubs libdbusmenu_qt libqalculate
-    pciutils bluez networkmanager ];
-
-  patches =
-    [ # Don't do compositing with the software GLX driver, since it's
-      # completely broken (corrupt output, server crashes, etc.).
-      # (NixOS/121)
-      ./no-software-compositing.patch
-    ];
-
-  meta = {
-    description = "KDE base platform-specific components";
-    longDescription = "KDE base components that are only required to work with X11 such KDM and KWin";
-    license = "GPL";
-    kde.name = "kdebase-workspace";
-  };
-}
diff --git a/pkgs/desktops/kde-4.7/base-workspace/no-software-compositing.patch b/pkgs/desktops/kde-4.7/base-workspace/no-software-compositing.patch
deleted file mode 100644
index 7c9e102bc95a..000000000000
--- a/pkgs/desktops/kde-4.7/base-workspace/no-software-compositing.patch
+++ /dev/null
@@ -1,17 +0,0 @@
-diff -ru -x '*~' kdebase-workspace-4.5.5-orig//kwin/compositingprefs.cpp kdebase-workspace-4.5.5/kwin/compositingprefs.cpp
---- kdebase-workspace-4.5.5-orig//kwin/compositingprefs.cpp	2010-06-24 18:28:18.000000000 +0200
-+++ kdebase-workspace-4.5.5/kwin/compositingprefs.cpp	2011-03-11 16:33:07.296566718 +0100
-@@ -314,9 +314,10 @@
-     //else if( mDriver == "radeon" )
-     //    {
-     //    }
--    //else if( mDriver == "software" )
--    //    {
--    //    }
-+    else if( mDriver == "software" )
-+        {
-+        mRecommendCompositing = false;
-+        }
-     }
- 
- 
diff --git a/pkgs/desktops/kde-4.7/base/default.nix b/pkgs/desktops/kde-4.7/base/default.nix
deleted file mode 100644
index 2f0c78e5f01d..000000000000
--- a/pkgs/desktops/kde-4.7/base/default.nix
+++ /dev/null
@@ -1,16 +0,0 @@
-{ kde, cmake, perl, qt4, kdelibs, pciutils, libraw1394 , automoc4, strigi
-, qimageblitz, soprano}:
-
-kde.package {
-  preConfigure = "cd apps";
-
-  buildInputs = [ cmake perl qt4 kdelibs pciutils libraw1394 automoc4
-    strigi qimageblitz ];
-
-  meta = {
-    description = "KDE Base components";
-    longDescription = "Applications that form the KDE desktop, like Plasma, System Settings, Konqueror, Dolphin, Kate, and Konsole";
-    license = "GPL";
-    kde.name = "kdebase";
-  };
-}