diff --git a/xos/synchronizers/base/ansible.py b/xos/synchronizers/base/ansible.py
index b8bbcaa..b6f1ca2 100644
--- a/xos/synchronizers/base/ansible.py
+++ b/xos/synchronizers/base/ansible.py
@@ -201,6 +201,7 @@
             proxy_command = "ProxyCommand ssh -q -i %s -o StrictHostKeyChecking=no %s@%s" % (private_key_pathname, instance_id, hostname)
         f.write('ssh_args = -o "%s"\n' % proxy_command)
     f.write('scp_if_ssh = True\n')
+    f.write('pipelining = True\n')
     f.write('\n[defaults]\n')
     f.write('host_key_checking = False\n')
     f.close()
diff --git a/xos/synchronizers/base/run_ansible b/xos/synchronizers/base/run_ansible
index 8f4ea96..a504ec3 100755
--- a/xos/synchronizers/base/run_ansible
+++ b/xos/synchronizers/base/run_ansible
@@ -1,5 +1,4 @@
 #!/bin/bash
 
 source /opt/ansible/hacking/env-setup >> /dev/null
-export REQUESTS_CA_BUNDLE=/etc/ssl/certs/ca-certificates.crt
 ansible-playbook -v "$@"
diff --git a/xos/synchronizers/base/run_ansible_verbose b/xos/synchronizers/base/run_ansible_verbose
index 360ce94..d17cad7 100755
--- a/xos/synchronizers/base/run_ansible_verbose
+++ b/xos/synchronizers/base/run_ansible_verbose
@@ -1,5 +1,4 @@
 #!/bin/bash
 
 source /opt/ansible/hacking/env-setup >> /dev/null
-export REQUESTS_CA_BUNDLE=/etc/ssl/certs/ca-certificates.crt
 ansible-playbook -vvv "$@"