I noticed that in my Notifications system preferences there two entries for Twitter (the old one with the white icon) and the new one.
The old Twitter application is long gone. How can I remove obsolete entries in the list?
MacOS – Remove uninstalled applications from the Notifications system preferences
macosnotifications
Related Solutions
CleanMyMac 2
CleanMyMac 2 has an Uninstaller feature that includes the ability to remove leftovers from uninstalled applications.
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if you just wish to hide the error messages that are cluttering up the console log, for easier readability, then this can easily be accomplished by selecting any one of the offending event messages, then click 'Ignore Sender' on the Console toolbar; those messages will then be hidden from view. the event messages are still generated, until you fix the obsolete driver issue, but you won't see them in the Console. see more info HERE and HERE.
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Best Answer
I can't say for certain if this trick will work on older macOS versions, as I no longer have access to them. But, in High Sierra 10.13, you can just left-click once to highlight the offending entry, then tap the
<DEL>key (not backspace, forward-delete) to remove it.