Should I still use Apache mod_cache?

A simple question. Since I use the disk page cache, does it make sense to also use the Apache cache (ie mod_cache)?

I’m trying to decrease server load and from what I understood, I might as well get rid of the Aoache’s cache. This is how I do it in Apache:

<IfModule mod_cache.c>
    CacheQuickHandler off
    CacheLock on
    CacheLockPath "/apache/cache/mod_cache-lock"
    CacheLockMaxAge 5
    CacheIgnoreHeaders Set-Cookie
    <IfModule mod_cache_disk.c>
        CacheRoot "/apache/cache/mod_cache_disk"
        CacheEnable disk "/"
        CacheDirLevels 2
        CacheDirLength 2
    </IfModule>
</IfModule>

From what I see, the Apache directories are getting quite big due to mod_cache, so if the plugin is already doing the disk cache job, I think I might as well remove the Apache’s. Any thoughts?

Thank you.