There is some incentive to clean up flags since there has been horror stories about dead flags causing problems[1]. I seem to recall there is some automation t

There is some incentive to clean up flags since there has been horror stories about dead flags causing problems[1]. I seem to recall there is some automation that proposes changes to remove flags that has not been set to non-default values for a sufficiently long time, but maybe that's not done for binaries that run outside of Google's network. [1] Knight Capital's $440 million glitch: https://news.ycombinator.com/item?id=31239033 https://news.ycombinator.com/item?id=31239033 https://news.ycombinator.com/item?id=4329101 https://news.ycombinator.com/item?id=4329101