SYSVAD - multiple mic and speaker pairs

after installing Microsoft Sample audio driver (SYSVAD/TabletAudioSample) I see multiple(around 4-5) playback & recording devices appearing in list of output/input audio devices

I don’t want multiple devices, I just want 1 device in playback & 1 device in recording.

How to clean up the SYSVAD driver code to achieve this ? Where to make changes in code to make sure unnecessary mic/speaker pairs doesn’t appear?

For example: in Recording devices section I see there are three Mic devices – 1) Internal Microphone Array - Front 2) Internal Microphone Array - Rear 3)Internal Microphone Array - Front/Rear
I don’t want all three, i just want one Mic device. Please let me know how to do that.