Snapchat's Snap Score feature gives you a score by sending and receiving a snap from a friend. The Snapchat score cannot be hidden using a setting. However, you may prevent a friend from hiding snap score on Snapchat by blocking or unfriending them in simple steps.
1. Open Snapchat and click on Chat page button.
2. Press and hold the friend’s name
3. Tap on Manage Friendship Button.
4. Click on Remove Friend
5. It’ll also get removed from your friend list.