Old Kernel Modules Directories not Cleaned up

[poma]

On 30.01.2015 00:21, Gordon Messmer wrote:
> On 01/29/2015 01:55 PM, Stephen Morris wrote:
>> I had to delete a dozen of these directories this morning manually, why
>> are these not removed when the associated kernels are removed?
> 
> Were the kernel modules in those directories built locally by dkms 
> rather than owned by rpm packages?  That'd do it.
> 

These modules do not belong to the official kernel packages, as well as your hand-built Wi-Fi module.
The point is, DKMS - Dynamic Kernel Module Support is not a perfect mechanism, therefore, it is "normal" for it to leave the old modules behind.

https://wiki.archlinux.org/index.php/Dynamic_Kernel_Module_Support#Remove_modules