diff --git a/.travis.yml b/.travis.yml
index b74b3424f..221fd3722 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,7 +27,6 @@ matrix:
       # required to run python3.7 on Travis CI
       # https://github.com/travis-ci/travis-ci/issues/9815
       dist: xenial
-      sudo: true
     - python: pypy2.7-5.8.0
       # disable coverage.py on pypy because of performance problems
       env: TOXENV=pypy-nocov