nodetool clearsnapshot 

Removes one or more snapshots.

Removes one or more snapshots.

Synopsis 

$ nodetool <options> clearsnapshot -t <snapshot> --  <keyspace> ... 
DataStax Enterprise 5.0 Installer No-Services and tarball installations:
installation_location/resources/cassandra/bin
Options
Short Long Description
-h --host Hostname or IP address.
-p --port Port number.
-pwf --password-file Password file path.
-pw --password Password.
-u --username Remote JMX agent username.
-t Remove the snapshot with a designated name.
keyspace Remove snapshots from the designated keyspaces, separated by a space.
snapshot Name of the snapshot.
-- Separates an option from an argument that could be mistaken for a option.

Description 

Deletes snapshots in one or more keyspaces. To remove all snapshots, omit the snapshot name.