diff --git a/zuul/layout.yaml b/zuul/layout.yaml
index 65187c799c..1c155c35c0 100755
--- a/zuul/layout.yaml
+++ b/zuul/layout.yaml
@@ -3145,6 +3145,11 @@ jobs:
   - name: ^gate-openstack-ansible-openstack-ansible-aio-ubuntu-xenial$
     branch: ^(?!(liberty|stable/(mitaka|newton))).*$
 
+  # Skip the functional tests for CentOS 7 in the openstack-ansible-security
+  # role if the branch is Mitaka or earlier.
+  - name: ^gate-openstack-ansible-security-ansible-func-centos-7$
+    branch: ^(?!(liberty|stable/mitaka)).*$
+
   # Skip the functional tests against the RHEL 7 STIG content on Newton branch
   # and earlier branches.
   - name: ^gate-openstack-ansible-security-ansible-func_rhel7.*$