kernel upgrade with yum removed old kernels

[Rahul Sundaram]

Martin Marques wrote:
> I just finished upgrading the kernels in my FC6 with yum and I see this 
> at the end:
> 
> Removed: kernel.i686 0:2.6.20-1.2933.fc6 kernel.i686 0:2.6.18-1.2798.fc6
> Installed: kernel.i686 0:2.6.20-1.2948.fc6
> 
> Now, why did it remove does kernel? Shouldn't it just install the new 
> ones and leave old ones there?
> 

http://docs.fedoraproject.org/release-notes/fc5/#id2942737

Rahul