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-