No Nag - Hiding WordPress Update Notifications
The built in Update Notification feature of WordPress insures you always have the most up-to-date version available. While it’s great, especially for updates to fix bugs and vulnerabilities, there may be times when you’d rather it not be displayed. A perfect example is if you’re using WordPress to build a site for a client and they have no need to see it.
There are plugins out there to do this for you, but from what I’ve read and experienced first hand, they often times cause some performance issues. Besides that, there’s also compatibility issues if the plugin isn’t updated with each new WordPress release. So an alternative method of accomplishing this would be great, right?
How about this?
A simple line added to one CSS sheet and no more nags about updating visible in the WordPress backend. Go into your wp-admin folder, open the wp-admin.css file, and look for “#update-nag, .plugin-update”. In 2.3 versions it should be near the bottom of the file (approximately line # 1335); in 2.5 it should be somewhere around the middle (approximately line # 524). Add to it “display: none;”. That’s it, no more nag.
It works every time with no performance issues at all.