404 Not found and 405 Method not allowed

I'm using Website Auditor and am getting two errors as follows:

https://fonts.googleapis.com 404 Not found
https://cha.christiangays.com/xmlrpc.php 405 Method not allowed

For the first one I tried changing the only Google font I'm using on the site and it didn't help.
For the second one I installed a plugin to stop all pingbacks and trackbacks but that hasn't helped either.

Got any ideas how I can deal with these errors?
Thank you.
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