Removing clouds from sentinel 2 imagery

Optical Toolbox
#1

I have used Idlepix to try to remove clouds from a sentinel satellite imagery but it seems not to work. I need the imagery to be cloud free since I am carrying out a land use land cover classification.

Making cloud pixels invalid
#2

IdePix doesn’t remove clouds - please have a look here: Cloud related problem

#3

I want to remove clouds from Sentinel-2 imagery (Level 2A) using ESA SNAP. Please guide me.
I use SNAP 9.0.0.
I need the imagery to be cloud free since I am carrying out a land use land cover classification.