diff --git a/extra/qtcreator/PKGBUILD b/extra/qtcreator/PKGBUILD
index 88ab62e9b..a6b26b405 100644
--- a/extra/qtcreator/PKGBUILD
+++ b/extra/qtcreator/PKGBUILD
@@ -10,16 +10,18 @@
 #  - patch distributed botan version for ARM
 #  - drop valgrind optdepend
 
+buildarch=28
+
 pkgname=qtcreator
-pkgver=4.1.0
-_pkgver=v4.1.0
-pkgrel=4
+pkgver=4.2.0
+_pkgver=v4.2.0
+pkgrel=1
 pkgdesc='Lightweight, cross-platform integrated development environment'
 arch=('i686' 'x86_64')
 url='http://qt-project.org'
 license=('LGPL')
 depends=('qt5-tools' 'qt5-declarative' 'qt5-script' 'qt5-quickcontrols' 'qt5-quickcontrols2' 'qt5-webkit' 'clang')
-makedepends=('git' 'mesa')
+makedepends=('git' 'mesa' 'llvm')
 options=('docs')
 optdepends=('qt5-doc: integrated Qt documentation'
             'qt5-examples: welcome page examples'
@@ -30,25 +32,15 @@ optdepends=('qt5-doc: integrated Qt documentation'
             'git: git support'
             'mercurial: mercurial support'
             'bzr: bazaar support')
-source=("git://code.qt.io/qt-creator/qt-creator.git#tag=${_pkgver}"
-        "git://code.qt.io/qt-labs/qbs.git"
-        'qt-creator_llvmincdir.patch'
+source=("http://download.qt.io/official_releases/qtcreator/4.2/${pkgver}/qt-creator-opensource-src-${pkgver}.tar.xz"
         'qtcreator.desktop'
         '0001-Fix-Allow-qt-creator-to-build-on-arm-aarch32-and-aar.patch')
-md5sums=('SKIP'
-         'SKIP'
-         '800c94165c547b64012a207d9830250a'
-         '49924cb71a664d079b8283a7173bc14f')
+sha512sums=('1801611d8db10041332d728a2af6b0c57b28b3ab9847a8875edb788d3b0fe6570103a408a7f52c989e40949743263d444e5db49d290860f2e7231f463fa86f7a'
+            '10552f2f77e816bccf21f31ba00bca10607df9c355f5efcbcca337e52a8a7e3cb66da6336b717de5f810dc74d3f175ba81eef04f55e08892bb39ddc66e27dad4'
+            'af0a0d5a2fadcfce14def65be73c99bff8227794b9ad2be333713c89e226e2c6b43802a802b6e30f3e6c1b4b77f31183bffdcca3404d9686f15fa84dfc64d1a1')
 
 prepare() {
-  cd qt-creator
-  git submodule init
-  git config submodule.qbs.url $srcdir/qbs
-  git submodule update
-
-  # Fix build with GCC 6 (patch from Fedora)
-  # https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/thread/Q5SWCUUMWQ4EMS7CU2CBOZHV3WZYOOTT/
-  patch -Np1 -i ../qt-creator_llvmincdir.patch
+  cd qt-creator-opensource-src-${pkgver}
 
   git apply ../0001-Fix-Allow-qt-creator-to-build-on-arm-aarch32-and-aar.patch
 }
@@ -57,7 +49,7 @@ build() {
   [[ -d build ]] && rm -r build
   mkdir build && cd build
 
-  LLVM_INSTALL_DIR=/usr qmake CONFIG+=journald -r ../qt-creator/qtcreator.pro
+  LLVM_INSTALL_DIR=/usr qmake CONFIG+=journald -r ../qt-creator-opensource-src-${pkgver}/qtcreator.pro
   make
   make docs -j1
 }
@@ -75,5 +67,5 @@ package() {
   chmod +x "${pkgdir}"/usr/bin/qtcreator
 
   install -Dm644 ${srcdir}/qtcreator.desktop ${pkgdir}/usr/share/applications/qtcreator.desktop
-  install -Dm644 ${srcdir}/qt-creator/LICENSE.GPL3-EXCEPT ${pkgdir}/usr/share/licenses/qtcreator/LICENSE.GPL3-EXCEPT
+  install -Dm644 ${srcdir}/qt-creator-opensource-src-${pkgver}/LICENSE.GPL3-EXCEPT ${pkgdir}/usr/share/licenses/qtcreator/LICENSE.GPL3-EXCEPT
 }
diff --git a/extra/qtcreator/qt-creator_llvmincdir.patch b/extra/qtcreator/qt-creator_llvmincdir.patch
deleted file mode 100644
index 90e29f1bf..000000000
--- a/extra/qtcreator/qt-creator_llvmincdir.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -rupN qt-creator-opensource-src-3.6.0/src/tools/clangbackend/clangbackend.pro qt-creator-opensource-src-3.6.0-new/src/tools/clangbackend/clangbackend.pro
---- qt-creator-opensource-src-3.6.0/src/tools/clangbackend/clangbackend.pro	2015-12-11 13:45:01.000000000 +0100
-+++ qt-creator-opensource-src-3.6.0-new/src/tools/clangbackend/clangbackend.pro	2016-02-08 23:04:03.654903983 +0100
-@@ -10,7 +10,7 @@ QT += core network
- QT -= gui
- 
- LIBS += $$LLVM_LIBS
--INCLUDEPATH += $$LLVM_INCLUDEPATH
-+#INCLUDEPATH += $$LLVM_INCLUDEPATH
- 
- SOURCES += clangbackendmain.cpp
-