How could I remove mysql from manually installation version
To completely uninstall MySQL OS X it is necessary to remove numerous files and folders and edit one file.

To uninstall MySQL and completely remove it (including all databases) from your Mac do the following:


Open a Terminal window
Use mysqldump to backup your databases to text files!
Stop the database server
Remove files and folders:

rm -rf ~/Library/PreferencePanes/My*
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 /private/var/db/receipts/*mysql*
sudo rm /Library/LaunchDaemons/com.oracle.oss.mysql.mysqld.plist
edit /etc/hostconfig and remove the line MYSQLCOM=-YES-