For some odd reason, Photoshop CC and AdobeCameraRaw are showing as an Import Source. Is there a way to remove these as a source?
Running LR 5.7 on OS X Yosemite 10.10.1
Most likely, you downloaded those programs recently and the downloaded disk images for their installers haven't been ejected. In the Finder's Sidebar, find the corresponding disk images and click their eject button:
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