diff --git a/.travis.yml b/.travis.yml
index fa5c64314..36b00316a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -49,13 +49,16 @@ matrix:
           packages: ['g++-4.8', 'libbz2-dev', 'libstxxl-dev', 'libstxxl1', 'libxml2-dev', 'libzip-dev', 'lua5.1', 'liblua5.1-0-dev', 'libtbb-dev', 'libgdal-dev', 'libluabind-dev', 'libboost-all-dev', 'ccache']
       env: CCOMPILER='gcc-4.8' CXXCOMPILER='g++-4.8' BUILD_TYPE='Debug'
 
-    - os: linux
-      compiler: "clang-3.8-debug"
-      addons: &clang38
-        apt:
-          sources: ['llvm-toolchain-precise-3.8', 'ubuntu-toolchain-r-test']
-          packages: ['clang-3.8', 'libbz2-dev', 'libstxxl-dev', 'libstxxl1', 'libxml2-dev', 'libzip-dev', 'lua5.1', 'liblua5.1-0-dev', 'libtbb-dev', 'libgdal-dev', 'libluabind-dev', 'libboost-all-dev', 'ccache']
-      env: CCOMPILER='clang-3.8' CXXCOMPILER='clang++-3.8' BUILD_TYPE='Debug' RUN_CLANG_FORMAT=ON
+  # LLVM APT servers switched off, commenting Clang builds out as they will always fail now
+  # http://lists.llvm.org/pipermail/llvm-foundation/2016-June/000025.html
+  #
+  #    - os: linux
+  #      compiler: "clang-3.8-debug"
+  #      addons: &clang38
+  #        apt:
+  #          sources: ['llvm-toolchain-precise-3.8', 'ubuntu-toolchain-r-test']
+  #          packages: ['clang-3.8', 'libbz2-dev', 'libstxxl-dev', 'libstxxl1', 'libxml2-dev', 'libzip-dev', 'lua5.1', 'liblua5.1-0-dev', 'libtbb-dev', 'libgdal-dev', 'libluabind-dev', 'libboost-all-dev', 'ccache']
+  #      env: CCOMPILER='clang-3.8' CXXCOMPILER='clang++-3.8' BUILD_TYPE='Debug' RUN_CLANG_FORMAT=ON
 
     - os: osx
       osx_image: xcode7.3