let’s switch the Edge driver on them. You don’t want the Zigbee Switch driver 
remove the two sensors from ST.
You will want to use the following “custom” Edge Driver: zigbee contact Mc
to install it on your hub click on the following link: Invitation and login with your Samsung account, then go to Available drivers in the Channel and select the Zigbee Contact MC driver. That is how easy it is to install custom Edge drivers on your hub.
Then add your sensors back and check if they used the custom Edge driver.
here is the developer’s thread if you need more assistance or details on his drivers: https://community.smartthings.com/t/edge-driver-mc-zigbee-drivers-for-motion-open-close-moisture-smoke-co-sensors-and-others-devices/231689