diff --git a/tools/config/ironic-config-generator.conf b/tools/config/ironic-config-generator.conf
index 62df148f28..1fc1398e5d 100644
--- a/tools/config/ironic-config-generator.conf
+++ b/tools/config/ironic-config-generator.conf
@@ -2,14 +2,11 @@
 output_file = etc/ironic/ironic.conf.sample
 wrap_width = 62
 namespace = ironic
-namespace = ironic_lib.disk_utils
-namespace = ironic_lib.disk_partitioner
 namespace = ironic_lib.exception
 namespace = ironic_lib.json_rpc
 namespace = ironic_lib.mdns
 namespace = ironic_lib.metrics
 namespace = ironic_lib.metrics_statsd
-namespace = ironic_lib.qemu_img
 namespace = ironic_lib.utils
 namespace = oslo.db
 namespace = oslo.messaging