diff --git a/defaults/main.yml b/defaults/main.yml
index d9b006b5..bea723e6 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -316,7 +316,6 @@ nova_max_age: 0
 nova_remove_unused_resized_minimum_age_seconds: 3600
 nova_image_cache_manager_interval: 0
 nova_resume_guests_state_on_host_boot: False
-nova_dhcp_domain: novalocal
 nova_default_schedule_zone: nova
 
 # Comma separated list of Glance API servers
@@ -338,8 +337,6 @@ nova_network_services:
 
 # Nova quota
 nova_quota_cores: 20
-nova_quota_fixed_ips: -1
-nova_quota_floating_ips: 10
 nova_quota_injected_file_content_bytes: 10240
 nova_quota_injected_file_path_length: 255
 nova_quota_injected_files: 5
@@ -347,8 +344,6 @@ nova_quota_instances: 10
 nova_quota_key_pairs: 100
 nova_quota_metadata_items: 128
 nova_quota_ram: 51200
-nova_quota_security_group_rules: 20
-nova_quota_security_groups: 10
 nova_quota_server_group_members: 10
 nova_quota_server_groups: 10
 
diff --git a/releasenotes/notes/nova-ocata-conf-deprecations-0a99d13c97424c51.yaml b/releasenotes/notes/nova-ocata-conf-deprecations-0a99d13c97424c51.yaml
new file mode 100644
index 00000000..beabea16
--- /dev/null
+++ b/releasenotes/notes/nova-ocata-conf-deprecations-0a99d13c97424c51.yaml
@@ -0,0 +1,13 @@
+---
+deprecations:
+  - Several ``nova.conf`` options that were deprecated have
+    been removed from the ``os_nova`` role. The
+    following OpenStack-Ansible variables are no longer
+    used and should be removed from any variable override
+    files.
+
+    * ``nova_dhcp_domain``
+    * ``nova_quota_fixed_ips``
+    * ``nova_quota_floating_ips``
+    * ``nova_quota_security_group_rules``
+    * ``nova_quota_security_groups``
diff --git a/templates/nova.conf.j2 b/templates/nova.conf.j2
index 7016a3e5..bd8baeb5 100644
--- a/templates/nova.conf.j2
+++ b/templates/nova.conf.j2
@@ -50,14 +50,11 @@ metadata_port = {{ nova_metadata_port }}
 metadata_workers = {{ nova_metadata_workers | default(nova_api_threads) }}
 
 # Network
-dhcp_domain = {{ nova_dhcp_domain }}
-force_dhcp_release = True
 dhcpbridge_flagfile = /etc/nova/nova.conf
 firewall_driver = {{ nova_firewall_driver }}
 my_ip = {% if nova_management_address == 'localhost' %}127.0.0.1{% else %}{{ nova_management_address }}{% endif %}
 
 default_floating_pool = public
-use_neutron = True
 
 ## Vif
 linuxnet_interface_driver = {{ nova_linuxnet_interface_driver }}
@@ -82,9 +79,6 @@ injected_network_template = /etc/nova/nova-interfaces-template
 # Configdrive
 force_config_drive = {{ nova_force_config_drive }}
 
-# Policy
-max_age = {{ nova_max_age }}
-
 # Ceilometer notification configurations
 {% if nova_ceilometer_enabled %}
 instance_usage_audit = True
@@ -276,7 +270,6 @@ images_type = rbd
 images_rbd_pool = {{ nova_libvirt_images_rbd_pool }}
 images_rbd_ceph_conf = /etc/ceph/ceph.conf
 {% endif %}
-live_migration_uri = "qemu+ssh://nova@%s/system?no_verify=1&keyfile={{ nova_system_home_folder }}/.ssh/id_rsa"
 hw_disk_discard = {{ nova_libvirt_hw_disk_discard }}
 disk_cachemodes = {{ nova_libvirt_disk_cachemodes }}
 {% endif %}
@@ -320,16 +313,13 @@ tracks_instance_changes = {{ nova_scheduler_tracks_instance_changes }}
 
 [quota]
 cores = {{ nova_quota_cores }}
-fixed_ips = {{ nova_quota_fixed_ips }}
-floating_ips = {{ nova_quota_floating_ips }}
 injected_file_content_bytes = {{ nova_quota_injected_file_content_bytes }}
 injected_file_path_length = {{ nova_quota_injected_file_path_length }}
 injected_files = {{ nova_quota_injected_files }}
 instances = {{ nova_quota_instances }}
 key_pairs = {{ nova_quota_key_pairs }}
+max_age = {{ nova_max_age }}
 metadata_items = {{ nova_quota_metadata_items }}
 ram = {{ nova_quota_ram }}
-security_group_rules = {{ nova_quota_security_group_rules }}
-security_groups = {{ nova_quota_security_groups }}
 server_group_members = {{ nova_quota_server_group_members }}
 server_groups = {{ nova_quota_server_groups }}