Buildroot is a great tool for creating a custom embedded linux system. If one builds a plain system without any changes from the default configuration using the current 2016.05 version one ends up with a modest size image.
The rootfs has a size of 44.3 MB. The directory
/lib/modules/4.4.8/kernel has a size of 41.4 MB.
I guess that not all this modules are needed. Is there any way to omit unnecessary modules and shrink the image therefore?