Cannot disalarm the alarm when it goes off

[Android Central Question]

I used to able to disalarm the alarm clock by pressing the x..now this function or screen does not appear. I have to use my thumbprint or passcode to get into phone then find the alarm by swiping down and then pressing the x

 

[belodion]

What phone?

 

[B. Diddy]

Welcome to Android Central! Are you using the stock Clock/Alarm app? On the lockscreen, do you see the alarm as a notification?