# apt-get remove php5-common Reading package lists... Done Building dependency tree... Done The following packages will be REMOVED: php-db php-http php-mail php-net-smtp php-net-socket php-pear php-xml-parser php4-apd php4-pear php4-pear-log php5-common 0 upgraded, 0 newly installed, 11 to remove and 0 not upgraded. Need to get 0B of archives. After unpacking 3166kB disk space will be freed. Do you want to continue [Y/n]? Модули php4 зависят от php5? Ну-ну...