Disable USB2.0 end point

497-13192-ND
STM32F3DISCOVERY

How to hid Class end point for Mass Storage, Vendor Specific Class? Only allow to show 1 or 2 end points on this MCU?

       |__ Port 3: Dev 20, If 0, Class=Hub, Driver=hub/4p, 480M
            |__ Port 4: Dev 26, If 2, Class=Communications, Driver=cdc_acm, 12M
            |__ Port 4: Dev 26, If 0, Class=Vendor Specific Class, Driver=, 12M
            |__ Port 4: Dev 26, If 3, Class=CDC Data, Driver=cdc_acm, 12M
            |__ Port 4: Dev 26, If 1, Class=Mass Storage, Driver=usb-storage, 12M