diff --git a/ironic/files/newton/ironic.conf b/ironic/files/newton/ironic.conf
index bd0281e..2ae1aee 100644
--- a/ironic/files/newton/ironic.conf
+++ b/ironic/files/newton/ironic.conf
@@ -1055,14 +1055,22 @@
 # Agent ramdisk. If unset, will use the priority set in the
 # ramdisk (defaults to 10 for the GenericHardwareManager). If
 # set to 0, will not run during cleaning. (integer value)
+{%- if conductor.erase_devices_priority is defined %}
+erase_devices_priority = {{ conductor.erase_devices_priority }}
+{%- else %}
 #erase_devices_priority = <None>
+{%- endif %}
 
 # Priority to run in-band clean step that erases metadata from
 # devices, via the Ironic Python Agent ramdisk. If unset, will
 # use the priority set in the ramdisk (defaults to 99 for the
 # GenericHardwareManager). If set to 0, will not run during
 # cleaning. (integer value)
+{%- if conductor.erase_devices_metadata_priority is defined %}
+erase_devices_metadata_priority = {{ conductor.erase_devices_metadata_priority }}
+{%- else %}
 #erase_devices_metadata_priority = <None>
+{%- endif %}
 
 # During shred, overwrite all block devices N times with
 # random data. This is only used if a device could not be ATA
diff --git a/ironic/files/ocata/ironic.conf b/ironic/files/ocata/ironic.conf
index ef0db7a..247a4f2 100644
--- a/ironic/files/ocata/ironic.conf
+++ b/ironic/files/ocata/ironic.conf
@@ -1353,14 +1353,22 @@
 # Agent ramdisk. If unset, will use the priority set in the
 # ramdisk (defaults to 10 for the GenericHardwareManager). If
 # set to 0, will not run during cleaning. (integer value)
+{%- if conductor.erase_devices_priority is defined %}
+erase_devices_priority = {{ conductor.erase_devices_priority }}
+{%- else %}
 #erase_devices_priority = <None>
+{%- endif %}
 
 # Priority to run in-band clean step that erases metadata from
 # devices, via the Ironic Python Agent ramdisk. If unset, will
 # use the priority set in the ramdisk (defaults to 99 for the
 # GenericHardwareManager). If set to 0, will not run during
 # cleaning. (integer value)
+{%- if conductor.erase_devices_metadata_priority is defined %}
+erase_devices_metadata_priority = {{ conductor.erase_devices_metadata_priority }}
+{%- else %}
 #erase_devices_metadata_priority = <None>
+{%- endif %}
 
 # During shred, overwrite all block devices N times with
 # random data. This is only used if a device could not be ATA