Compiling a custom kernel, automatically remove unused modules ?
 

Is there any way to automatically remove all the kernels that you don't need from .config? For example, a script that does "lsmod" and anything that is set to [M] that is not listed can be set to [N]. That would be great when compiling your own kernel

This is assuming you are running a distro that runs a bloated kernel in the first place that sets [M] to everything

You *really* don't want to be dicking with the config file with an editor. Too many options have dependencies - that's why the Kconfig is so convoluted.

Better to go the other way - do a lsmod to find out what's needed, then add them selectively to a "make defconfig" generated config.