diff --git a/.travis.yml b/.travis.yml
index 25d6ea6c..40f7778f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,7 +17,6 @@ env:
 # using env: would cause many permutations to exclude, so...
 before_install:
   - export JRUBY_OPTS="--server -Xcext.enabled=false -Xcompile.invokedynamic=false"
-jdk: oraclejdk7
 matrix:
   allow_failures:
     - rvm: ruby-head