firmware files obsolte

[Maurizio Marini]

Hello there
I am trying to get my fedora cleaned up with some house keeping:
Fedora housewife  home works :P

I am noting that I have a bunch of very obsolete firmware files:

ipw2100-firmware-1.3-17.fc21.noarch
ipw2200-firmware-3.1-10.fc21.noarch
zd1211-firmware-1.4-10.fc21.noarch
ivtv-firmware-20080701-28.noarch
aic94xx-firmware-30-6.fc20.noarch
ar9170-firmware-2009.05.28-4.fc17.noarch
atmel-firmware-1.3-13.fc21.noarch

This is an Asus notebook X73B and using lsmod I see that wifi chipset is
athereos

ath9k_hw              458752  2 ath9k_common,ath9k
ath                    28672  3 ath9k_common,ath9k,ath9k_hw

Can I safely remove that obsolete firmware packages, according to you ?

Many thnx
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