diff --git a/.travis.yml b/.travis.yml
index 62d55ebc9e9ca1196a795d00298a31e8d909b3bf..d7e23667f4ef18460879d201e47bf0bc1a44f2f6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,6 @@ cache:
   directories:
   - "$HOME/.pyenv"
 before_install:
-- alias enable_pyenv=eval "$(pyenv virtualenv-init -)"
 - ci/travis/before_install.sh
 install:
 - ci/travis/build.sh