diff --git a/.travis.yml b/.travis.yml
index e7bdfd46..b7dad9c3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,18 +6,16 @@ matrix:
   include:
     - os: linux
       jdk: openjdk8
-    - os: linux
-      jdk: openjdk9
+#    - os: linux
+#      jdk: openjdk9
     - os: linux
       jdk: oraclejdk8
-    - os: linux
-      jdk: oraclejdk9
+#    - os: linux
+#      jdk: oraclejdk9
     - os: osx
       osx_image: xcode9.2
-    - os: osx
-      osx_image: xcode9.4
-  allow_failures:
-    - jdk: openjdk8
+#    - os: osx
+#      osx_image: xcode9.4
 cache:
   directories:
     - $HOME/.gradle/caches/