.travis.yml in sub_diff-1.0.7 vs .travis.yml in sub_diff-1.1.0

@@ -3,11 +3,9 @@
     repo_token: 6f133fcc28caad1e1099287a1ac4ee0ac4fb428cdd9c5cb9424be1110ef8704a
 
 install: bundle install --jobs 3 --retry 3
 
 rvm:
-  - 1.8.7
-  - 1.9.3
   - 2.0.0
   - ruby-head
 
 script: bundle exec rspec