To uninstall a plug-in, simply find it on your hard drive and drag it to the Trash.

Then quit and re-launch Photoshop.

There are two places where your plug-ins can be:​

- In a folder on your hard drive named <Your Hard Drive>/Applications/Adobe Photoshop CC 2017/Plug-Ins.

(The exact name depends on your version of Photoshop.)

- Or if you installed to the shared Creative Cloud location, the Plug-Ins folder is located here:

<Your Hard Drive>/Library/Application Support/Adobe/Plug-Ins/CC