Bitcoin Core LevelDB Index saves forked blocks

Bitcoin Core LevelDB Index saves forked blocks

I've noticed that bitcoind will permanently save unverified blocks that it receives even if they turn out to be small blockchain forks, likely occurring from the relatively simultaneous discovery of two blocks of equal height. This doesn't cause a problem for Bitcoin Core's functionality, as there is surely a process written into the source that ignores such small forks, however, it's curious to me that the data persists in the data saved to the .dat and .ldb files in .bitcoin/blocks/ and .bitcoin/blocks/index nonetheless. Is there a way to prune these invalid blocks that belong to small forks in the blockchain without -reindexing the entire blockchain? Would -reindex even remove them?

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