diff --git a/devstack/lib/ironic b/devstack/lib/ironic
index 9f7a57d94a..0fb3fe952b 100644
--- a/devstack/lib/ironic
+++ b/devstack/lib/ironic
@@ -125,7 +125,6 @@ IRONIC_VM_EPHEMERAL_DISK=${IRONIC_VM_EPHEMERAL_DISK:-0}
 IRONIC_VM_EMULATOR=${IRONIC_VM_EMULATOR:-'/usr/bin/qemu-system-x86_64'}
 IRONIC_VM_ENGINE=${IRONIC_VM_ENGINE:-qemu}
 IRONIC_VM_NETWORK_BRIDGE=${IRONIC_VM_NETWORK_BRIDGE:-brbm}
-IRONIC_VM_NETWORK_RANGE=${IRONIC_VM_NETWORK_RANGE:-192.0.2.0/24}
 IRONIC_VM_INTERFACE_COUNT=${IRONIC_VM_INTERFACE_COUNT:-2}
 IRONIC_VM_MACS_CSV_FILE=${IRONIC_VM_MACS_CSV_FILE:-$IRONIC_DATA_DIR/ironic_macs.csv}
 IRONIC_CLEAN_NET_NAME=${IRONIC_CLEAN_NET_NAME:-${IRONIC_PROVISION_NETWORK_NAME:-${PRIVATE_NETWORK_NAME}}}