diff --git a/.travis.yml b/.travis.yml
index f8765784d..e9664dc59 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -36,7 +36,6 @@ addons:
     - libboost1.55-tools-dev
     - python2.7-dev
     - g++-4.8
-    - ditaa
     - python3-docutils
     - python3-pygments