Dead node how to delete

I have on the dashboard a dead node…want to delete it and not sure how it happened. Just started using HA. Tried Zwave remove node and didn’t do anything.

node_id: 2
node_name: Unknown Node 2
manufacturer_name:
product_name:
query_stage: Probe
is_awake: true
is_ready: false
is_failed: true
is_info_received: false
max_baud_rate: 40000
is_zwave_plus: false
capabilities: listening, beaming, routing
sentCnt: 3
sentFailed: 3
retries: 0
receivedCnt: 0
receivedDups: 0
receivedUnsolicited: 0
sentTS: 2020-05-05 15:10:29:848
receivedTS: 2020-05-05 15:09:56:524
lastRequestRTT: 0
averageRequestRTT: 0
lastResponseRTT: 0
averageResponseRTT: 0
friendly_name: Unknown Node 2