<p>Yes, it is marked .old to indicate it is safe to delete. The blocks have been copied and  imported into the main blockchain that you store. The process took time because the client was verifying the blocks.</p>

CC BY-SA 3.0
2013-12-06T01:25:27.173Z
2013-12-06T01:25:27.173Z
Jems
<p>Is it safe to delete <em>bootstrap.dat.old</em>? Because my <em>bitcoin-qt</em> is using the internet to synchronize right now ("Importing blocks from disk." stage has finished). But I still am not sure.</p>

<bootstrap.dat>
Is it safe to delete bootstrap.dat.old?
sterz
# Is it safe to delete bootstrap.dat.old?

(Asked by: username_0 on 2013-12-05)

Is it safe to delete *bootstrap.dat.old*? Because my *bitcoin-qt* is using the internet to synchronize right now ("Importing blocks from disk." stage has finished). But I still am not sure.

**Tags:** bootstrap.dat


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## 1 answers

### Answer by username_1 on 2013-12-06. Score: 4 | Accepted answer

Yes, it is marked .old to indicate it is safe to delete. The blocks have been copied and imported into the main blockchain that you store. The process took time because the client was verifying the blocks.


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