diff --git a/.travis.yml b/.travis.yml
index c125dec56..c934d2e77 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,12 +7,12 @@ compiler: gcc
 # Test on Linux and MacOS
 matrix:
   include:
-    - os: osx
-      osx_image: xcode7.3	# OS X 10.11
+#    - os: osx
+#      osx_image: xcode7.3	# OS X 10.11
     - os: osx
       osx_image: xcode8.3   # OS X 10.12
-    - os: osx
-      osx_image: xcode9     # OS X 10.13
+#    - os: osx
+#      osx_image: xcode9     # OS X 10.13
     - os: osx
       osx_image: xcode9.1   # OS X 10.13.1
     - os: linux