.travis.yml in parse_fasta-2.5.1 vs .travis.yml in parse_fasta-2.5.2

@@ -4,11 +4,9 @@
 rvm:
   - 2.1
   - 2.2
   - 2.3
   - 2.4
-  - 2.5
-  - ruby-head
 
 script: 'bundle exec rake'
 
 notifications:
   email: