Locked fonts in Font book

Fonts showing as locked, unable to unlock or delete them, tried resetting in prefs.

Any help on this would be greatly appreciated.


Posted on Feb 22, 2025 02:10 AM

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14 replies

Feb 22, 2025 08:12 AM in response to dialabrain

Or even disabled. But, you can remove a lot of the listed fonts, despite the fact they're in the System folder. Open this folder:


/System/Library/AssetsV2/com_apple_MobileAsset_Font7


You can't actually do anything in this folder yourself, but you can watch fonts disappears as you use Font Book to remove them. Basically, you can remove any OS installed fonts by right clicking on any font set that does not have a lock icon and choosing Remove from the contextual menu.


The fastest way to do this (which you couldn't do before Sequoia), is choose All Fonts in the left column. Then select all fonts in the right pane and choose Remove. You then get this message:



Choose Remove Non-System Fonts and the entire com_apple_MobileAsset_Font7 folder will be emptied. All except for a small XML file, com_apple_MobileAsset_Font7.xml.


That regains something over a gigabyte of space, and gets a lot of active fonts off the system. You can just choose to disable them, but I always choose remove as these are all fonts I have zero use for. But, if for some reason in the future you find you need any of them, you can right click on a set and choose Download.


The only downside is any time you do an OS update, they call get reinstalled and you have to remove/disable all of them again.


This works best of course if you don't have any of your own fonts installed via Font Book since they'll also be removed. For me, the only thing ever listed in Font Book are the OS installed fonts as I use Typeface for all other font management.

Feb 24, 2025 07:13 AM in response to dialabrain

Well, this is a new one.


In Sonoma, once you remove the fonts in the /System/Library/AssetsV2/com_apple_MobileAsset_Font7 folder via Font Book, they stay gone until you apply an OS update or upgrade.


Nothing changed with the OS on my Mac running Sequoia when I got rid of those fonts Saturday. On Sunday, I noticed my available space had dropped by 1.4 GB. That sounded suspiciously like the total space those fonts take up, so I opened the folder. All of those useless fonts were back on the drive!


I removed them again. And now today, PingFang is back in the folder. So far the only one, but now I wonder if simply opening certain Apple included apps automatically download them again. Such as Pages.


Time to start watching and waiting with the folder left open to see what may be causing this.

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Locked fonts in Font book

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