Stopping webalizer and analog

[Juanra]

Hi,

How can I stop webalizer and analog working for a single account? The cache files are huge:
/tmp/analog
32042701 Dec 16 02:03 cache
32422069 Dec 17 03:58 cache.out
/tmp/webalizer
41971712 Dec 17 05:51 dns_cache.db



Thanks,
--
Juanra