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## chantools dropchannelgraph
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Remove all graph related data from a channel DB
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### Synopsis
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This command removes all graph data from a channel DB,
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forcing the lnd node to do a full graph sync.
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Or if a single channel is specified, that channel is purged from the graph
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without removing any other data.
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CAUTION: Running this command will make it impossible to use the channel DB
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with an older version of lnd. Downgrading is not possible and you'll need to
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run lnd v0.14.1-beta or later after using this command!'
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```
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chantools dropchannelgraph [flags]
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```
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### Examples
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```
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chantools dropchannelgraph \
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--channeldb ~/.lnd/data/graph/mainnet/channel.db
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chantools dropchannelgraph \
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--channeldb ~/.lnd/data/graph/mainnet/channel.db \
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--single_channel 726607861215512345
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```
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### Options
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```
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--channeldb string lnd channel.db file to dump channels from
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-h, --help help for dropchannelgraph
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--single_channel uint the single channel identified by its short channel ID (CID) to remove from the graph
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```
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### Options inherited from parent commands
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```
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-r, --regtest Indicates if regtest parameters should be used
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-t, --testnet Indicates if testnet parameters should be used
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```
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### SEE ALSO
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* [chantools](chantools.md) - Chantools helps recover funds from lightning channels
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