I used the hidutil function to remap several keys on my keyboard:

hidutil property --set '{"UserKeyMapping":
      "HIDKeyboardModifierMappingDst":0x70000003e} ,   

My problem is that I made some mistakes in it, and I don't find the way to restore it.


To reset the key mapping(s) back to default, simply make the "destination" the same as the "source"

For example,

hidutil property --set'{"UserKeyMapping": [{"HIDKeyboardModifierMappingSrc":0x70000003e,
  • Glad it worked for you! – Allan Feb 15 at 17:33

According to the help of the command, the content must be valid JSON. But setting the property to null takes no effect.. Instead, I found empty string actually works:

hidutil property --set '{ "UserKeyMapping":"" }'


Passing empty string didn't work for me, i.e. it didn't deactivate existing remappings. However, passing an empty array did the trick.

hidutil property --set '{"UserKeyMapping":[]}'

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