diff --git a/defaults/main.yml b/defaults/main.yml
index da5b3ae9..2dc41fb0 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -134,6 +134,8 @@ nova_libvirt_vif_driver: nova.virt.libvirt.vif.NeutronLinuxBridgeVIFDriver
 nova_firewall_driver: nova.virt.firewall.NoopFirewallDriver
 nova_compute_driver: libvirt.LibvirtDriver
 nova_max_age: 0
+nova_remove_unused_resized_minimum_age_seconds: 3600
+nova_image_cache_manager_interval: 0
 
 # Nova quota
 nova_quota_injected_file_content_bytes: 10240
diff --git a/templates/nova.conf.j2 b/templates/nova.conf.j2
index 4faaabd1..e9c59c2e 100644
--- a/templates/nova.conf.j2
+++ b/templates/nova.conf.j2
@@ -43,6 +43,7 @@ instance_name_template = instance-%08x
 instances_path = {{ nova_system_home_folder }}/instances
 api_paste_config = /etc/nova/api-paste.ini
 allow_resize_to_same_host = True
+image_cache_manager_interval = {{ nova_image_cache_manager_interval }}
 
 # Api's
 enabled_apis = osapi_compute,metadata,ec2
@@ -181,3 +182,4 @@ use_usb_tablet = False
 use_virtio_for_bridges = True
 cpu_mode = {{ nova_cpu_mode }}
 virt_type = {{ nova_virt_type }}
+remove_unused_resized_minimum_age_seconds = {{ nova_remove_unused_resized_minimum_age_seconds }}