diff --git a/pkgs/desktops/kde-4.4/libs/default.nix b/pkgs/desktops/kde-4.4/libs/default.nix
index 84ee7a596279..896c444d10e4 100644
--- a/pkgs/desktops/kde-4.4/libs/default.nix
+++ b/pkgs/desktops/kde-4.4/libs/default.nix
@@ -11,10 +11,6 @@ stdenv.mkDerivation {
     url = mirror://kde/stable/4.4.2/src/kdelibs-4.4.2.tar.bz2;
     sha256 = "02kcw716hmkcvsz7sc823m7lzkmacb526fajkq54gxqa6fc2yr15";
   };
-  
-  # The same way as cmake needed a patch for findqt4 to work properly under nix, 
-  # also KDE, because they have their own copy of cmake's findqt4.
-  patches = [ ./findqt4.patch ];
 
   buildInputs = [
     cmake perl qt4 stdenv.gcc.libc xz flex bison bzip2 pcre fam libxml2 libxslt
diff --git a/pkgs/desktops/kde-4.4/libs/findqt4.patch b/pkgs/desktops/kde-4.4/libs/findqt4.patch
deleted file mode 100644
index a8ba8e31794d..000000000000
--- a/pkgs/desktops/kde-4.4/libs/findqt4.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/cmake/modules/FindQt4.cmake b/cmake/modules/FindQt4.cmake
-index 86622fd..e15b3fa 100644
---- a/cmake/modules/FindQt4.cmake
-+++ b/cmake/modules/FindQt4.cmake
-@@ -727,6 +727,8 @@ IF (QT4_QMAKE_FOUND)
-   FOREACH(QT_MODULE ${QT_MODULES})
-     STRING(TOUPPER ${QT_MODULE} _upper_qt_module)
-     FIND_PATH(QT_${_upper_qt_module}_INCLUDE_DIR ${QT_MODULE}
-+              NO_CMAKE_PATH
-+              NO_CMAKE_ENVIRONMENT_PATH
-               PATHS
-               ${QT_HEADERS_DIR}/${QT_MODULE}
-               ${QT_LIBRARY_DIR}/${QT_MODULE}.framework/Headers
diff --git a/pkgs/desktops/kde-4.4/support/qimageblitz/default.nix b/pkgs/desktops/kde-4.4/support/qimageblitz/default.nix
index 3e352b1f0276..b03301e76e81 100644
--- a/pkgs/desktops/kde-4.4/support/qimageblitz/default.nix
+++ b/pkgs/desktops/kde-4.4/support/qimageblitz/default.nix
@@ -9,7 +9,6 @@ stdenv.mkDerivation {
   patchPhase = ''
     cp ${cmake}/share/cmake-${cmake.majorVersion}/Modules/FindQt4.cmake cmake/modules
   '';
-  patches = [ ../../libs/findqt4.patch ];
   buildInputs = [ cmake qt4 ];
   meta = {
     description = "Graphical effect and filter library for KDE4";
diff --git a/pkgs/development/tools/build-managers/cmake/default.nix b/pkgs/development/tools/build-managers/cmake/default.nix
index ecf7deafd35f..4158c737612c 100644
--- a/pkgs/development/tools/build-managers/cmake/default.nix
+++ b/pkgs/development/tools/build-managers/cmake/default.nix
@@ -18,8 +18,6 @@ stdenv.mkDerivation rec {
     sha256 = "0va7kxczqb920n61xnyhr99ajs4v05mssk4n0p6z55yvr9g62zc4";
   };
 
-  patches = [ ./findqt4.patch ];
-
   postUnpack = ''
     dontUseCmakeConfigure=1
     source $setupHook
diff --git a/pkgs/development/tools/build-managers/cmake/findqt4.patch b/pkgs/development/tools/build-managers/cmake/findqt4.patch
deleted file mode 100644
index 43fa5591506c..000000000000
--- a/pkgs/development/tools/build-managers/cmake/findqt4.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/Modules/FindQt4.cmake b/Modules/FindQt4.cmake
-index 3bb77d1..7fdbe4a 100644
---- a/Modules/FindQt4.cmake
-+++ b/Modules/FindQt4.cmake
-@@ -579,6 +579,8 @@ IF (QT4_QMAKE_FOUND)
-   FOREACH(QT_MODULE ${QT_MODULES})
-     STRING(TOUPPER ${QT_MODULE} _upper_qt_module)
-     FIND_PATH(QT_${_upper_qt_module}_INCLUDE_DIR ${QT_MODULE}
-+              NO_CMAKE_PATH
-+              NO_CMAKE_ENVIRONMENT_PATH
-               PATHS
-               ${QT_HEADERS_DIR}/${QT_MODULE}
-               ${QT_LIBRARY_DIR}/${QT_MODULE}.framework/Headers
diff --git a/pkgs/development/tools/build-managers/cmake/setup-hook.sh b/pkgs/development/tools/build-managers/cmake/setup-hook.sh
index 49a4ad7fd90d..71afcefe3cb6 100755
--- a/pkgs/development/tools/build-managers/cmake/setup-hook.sh
+++ b/pkgs/development/tools/build-managers/cmake/setup-hook.sh
@@ -9,7 +9,6 @@ fixCmakeFiles()
     local replaceArgs
     echo "fixing cmake files"
     replaceArgs="-e -f -L -T /usr /FOO"
-    replaceArgs="$replaceArgs -a NO_DEFAULT_PATH \"\" -a NO_SYSTEM_PATH \"\""
     find $1 -type f -name "*.cmake" -print0 | xargs -0 replace-literal ${replaceArgs}
 }