diff --git a/.travis.yml b/.travis.yml
index 56ef182..7c419bf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,6 @@ env:
   - TOX_ENV=pypy-1.5
   - TOX_ENV=pypy-1.6
 before_install:
-  - export PIP_INDEX_URL=https://simple.crate.io/
   - sudo pip install tox
 script:
   - tox -e $TOX_ENV