https://old.reddit.com/r/MacOS/comments/142cv0n/how_to_remove_stubborn_systemextensions_not/
systemextensionsctl gc works as well:
When checking system extensions:
/Library $ systemextensionsctl list
2 extension(s)
--- com.apple.system_extension.network_extension
enabled active teamID bundleID (version) name [state]
* * W5364U7YZB io.tailscale.ipn.macsys.network-extension (1.80.0/101.80.0) Tailscale Network Extension [activated enabled]
* * 6JQLCT6DRB com.radiosilenceapp.client.NetworkExtension (1.2/1.2) NetworkExtension [activated enabled]The available commands are:
/Library $ sudo systemextensionsctl
systemextensionsctl: usage:
systemextensionsctl developer [on|off]
systemextensionsctl list [category]
systemextensionsctl reset - reset all System Extensions state
systemextensionsctl uninstall <teamID> <bundleID>; teamID can also be '-' (for matching empty Team ID)
systemextensionsctl gc - garbage collect orphaned system extension(s)When trying to clean up:
sudo systemextensionsctl gc
2025-02-06 11:23:31.354 systemextensionsctl[980:17437] Successfully cleaned up : (
), failed to clean up {
"com.radiosilenceapp.client.NetworkExtension" = "Error Domain=sysextd.InternalError Code=5 \"(null)\"";
"io.tailscale.ipn.macsys.network-extension" = "Error Domain=sysextd.InternalError Code=5 \"(null)\"";
}