Update .travis.yml
diff --git a/.travis.yml b/.travis.yml
index f439a15..72f1ddb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,6 @@
 jdk:
     - oraclejdk8
     - oraclejdk9
-    - oraclejdk11
     - openjdk8
 branches:
   only: