Apple allows users to disable or remove other features from the iPhone lock screen as well. You can clear Siri, Control Center, Wallet, Home Control, Today View, and other similar features off the locked iPhone. You can follow the steps:
Step 1 Head to "Settings > Face ID & Passcode" (Touch ID & Paacode on older iPhones), and enter your passcode to get in.
Step 2 Then, scroll down and focus on “ALLOW ACCESS WHEN LOCKED.” column. Turn off "Notification Center," "Control Center" and "Siri."