Uninstalling MySQL on OSX

If you use the package installer to install MySQL (as opposed to building from source, from macports, etc.) then do the following when you want to remove MySQL:

sudo rm /usr/local/mysql
sudo rm -rf /usr/local/mysql*
sudo rm -rf /Library/StartupItems/MySQLCOM
sudo rm -rf /Library/PreferencePanes/My*
sudo rm -rf /Library/Receipts/mysql*
sudo rm -rf /Library/Receipts/MySQL*
sudo rm -rf /var/db/receipts/com.mysql*

rm -rf ~/Library/PreferencePanes/My*

Remove the line "MYSQLCOM=-YES-" from /etc/hostconfig

Remove entries in /Library/Receipts/InstallHistory.plist