Please follow the troubleshooting steps outlined below to address your query:
realme UI 1.0 & above versions: Settings > Search " Lock Screen Notifications" in the search bar > Disable Lock Screen Notifications.
realme UI S & T & R & Go Edition: Settings > Apps & notifications > Notifications > Disable Notifications on lock screen.
Related articles:
How to set lock screen notifications?
Glance is not displayed on the lock screen
