I don't know why but I cannot limit post revisions even though I've added the code

define( 'WP_POST_REVISIONS', 3 );

Is there anything wrong in adding the code to wp-config file? Here are images of the problem.

Code added to wp-config file

Post revisions not limiting

Post revisions not limiting

  • 2
    There is an issue with this feature if there are already post revisions saved. There is a couple of threads on the net about this. Here is a quick search Commented Mar 12, 2015 at 7:44

1 Answer 1


The option works from the moment you add it to your wp-config.php file. You can try to remove the old revisions using something like this Just back-up your db first.

  • Actually, I added that piece of code when I first installed WordPress. But the post revision limit is clearly not working.
    – vamsi
    Commented Mar 12, 2015 at 13:59

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