chantools/doc/chantools_dropgraphzombies.md
2026-03-04 07:04:29 +01:00

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## chantools dropgraphzombies
Remove all channels identified as zombies from the graph to force a re-sync of the graph
### Synopsis
This command removes all channels that were identified as
zombies from the local graph.
This will cause lnd to re-download all those channels from the network and can
be helpful to fix a graph that is out of sync with the network.
CAUTION: Running this command will make it impossible to use the channel DB
with an older version of lnd. Downgrading is not possible and you'll need to
run lnd v0.19.0-beta or later after using this command!'
```
chantools dropgraphzombies [flags]
```
### Examples
```
chantools dropgraphzombies \
--channeldb ~/.lnd/data/graph/mainnet/channel.db
```
### Options
```
--channeldb string lnd channel.db file to drop zombies from
-h, --help help for dropgraphzombies
```
### Options inherited from parent commands
```
--nologfile If set, no log file will be created. This is useful for testing purposes where we don't want to create a log file.
-r, --regtest Indicates if regtest parameters should be used
--resultsdir string Directory where results should be stored (default "./results")
-s, --signet Indicates if the public signet parameters should be used
-t, --testnet Indicates if testnet parameters should be used
--testnet4 Indicates if testnet4 parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels