Don't try to start ssh.
diff --git a/script/cibuild.sh b/script/cibuild.sh
index a11e798..de5df9e 100755
--- a/script/cibuild.sh
+++ b/script/cibuild.sh
@@ -34,8 +34,6 @@ killall git-daemon
if [ "$TRAVIS_OS_NAME" = "osx" ]; then
echo 'PasswordAuthentication yes' | sudo tee -a /etc/sshd_config
-else
- sudo start ssh
fi
ssh-keygen -t rsa -f ~/.ssh/id_rsa -N "" -q