In Fedora 24 you can install gnome-tweak-tool using the following command:
$ sudo dnf install gnome-tweak-tool
Open gnome-tweak-tool and go to the "Keyboard and Mouse" tab and disable "Middle-click-Paste".
In Fedora 24 you can install gnome-tweak-tool using the following command:
$ sudo dnf install gnome-tweak-tool
Open gnome-tweak-tool and go to the "Keyboard and Mouse" tab and disable "Middle-click-Paste".