diff --git a/.travis.yml b/.travis.yml
index b63ea458b08d643cc2de097875d14366e616dbcf..f3d9deeab0c15102872d64d2e9329772fde8d957 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -125,8 +125,8 @@ matrix:
   - os: osx
     osx_image: xcode7.3
 
-  - os: osx
-    osx_image: xcode8
+  #- os: osx
+  #  osx_image: xcode8
 
   - os: osx
     osx_image: xcode8.1
@@ -179,9 +179,9 @@ matrix:
     env: LLVM_VERSION=3.7.1
     compiler: clang
 
-  #- os: linux
-  #  env: LLVM_VERSION=3.8.0
-  #  compiler: clang
+  - os: linux
+    env: LLVM_VERSION=3.8.0
+    compiler: clang
 
   - os: linux
     env: LLVM_VERSION=3.8.1