php4-xxx uninstall

[Elan Ruusamäe]

# poldek -u php4-mysql 
Retrieving http://distrib/php4-mysql-4.3.10-6.2.i686.rpm...
......................... 100.0% [50.0K (50.0K/s)]                   
Retrieving http://distrib/php4-common-4.3.10-6.2.i686.rpm...
......................... 100.0% [615.4K (359.1K/s)]                      
activating module 'mysql.so' in /etc/php4/php.ini

# rpm -e php4-mysql php4-common 
warning: /etc/php4/php.ini saved as /etc/php4/php.ini.rpmsave
/var/tmp/rpm-tmp.56490[4]: /usr/sbin/php4-module-install: not found
error: %preun(php4-mysql-4.3.10-6.2) scriptlet failed, exit status 127

while:

# poldek -u php4-mysql 
Retrieving http://distrib/php4-mysql-4.3.10-6.2.i686.rpm...
......................... 100.0% [50.0K (50.0K/s)]                   
Retrieving http://distrib/php4-common-4.3.10-6.2.i686.rpm...
......................... 100.0% [615.4K (125.2K/s)]                      
activating module 'mysql.so' in /etc/php4/php.ini

# rpm -e php4-common  php4-mysql
deactivating module 'mysql.so' in /etc/php4/php.ini
warning: /etc/php4/php.ini saved as /etc/php4/php.ini.rpmsave

any ideas how to fix this? PreReq: php4-common on php4-XXX packages instead of 
just Requires: ?

and i believe it's actual for php5 packages too

-- 
glen