Last modified: 2014-09-13 23:29:59 UTC
Reproduce by adding the zend role, provisioning, then removing it. The /etc/apache2/envvars still contains the ZEND define.
Change 144880 had a related patch set uploaded by BryanDavis: Fixes to Apache module https://gerrit.wikimedia.org/r/144880
Change 144880 merged by jenkins-bot: Fixes to Apache module https://gerrit.wikimedia.org/r/144880