After an upgrade, can I delete the contents of the "upgrade" folder?

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I have limited web space. After I've completed an upgrade, can I go and delete the contents of the "upgrade" folder?

 
adajad replied on at Permalink Reply
adajad
No, since all now points to the update folder that would be a bad idea.

If you have limited space, then I suggest you do manual upgrades instead and replace the core manually.

You can read about it here: http://www.concrete5.org/documentation/how-tos/developers/manually-...
Steevb replied on at Permalink Reply
Steevb
If you have access to server you can do it by moving folders.

I tend to rename the root 'concrete' folder to 'concrete1', then move 'concrete' folder from the 'updates folder' into the root.
Then remove the last bit of code.
<?php define('DIRNAME_APP_UPDATED', 'concrete5.6.0.2');?>
, or what ever your version is in the config folder 'site.php'.

Normally works!