Canon EOS M100 User Manual page 215

Deactivating the Wind Filter
Noise caused by strong wind can be reduced with the wind filter.
However, the recording may sound unnatural when this option is
used when there is no wind. In this case, you can deactivate the
wind filter.
[ 8] → [Sound
z
recording] → [Wind
filter/Attenuator] →
button
4
Set up the camera
[Wind Filter] → [Off]
z
→ button