cant remove brightness slider from lock screen

[Mattn]

Hi just recieved s21 ultra yesterday upgraded from note 9 

The problem i have is i cant remove brightness slider from lock screen

[IamJai]

What One UI is it on? looks like One UI 3 try clearing the cache sorry I dont know how to do it because I haven't done it

[Toynado]

i can't remove my music player from my S21+Lock screen

[Uzoma]

try booting up into safe mode and see if it's still there

[Enriched]

I have the S21 Ultra 512gb and the same thing happened to me today. I turned my phone off and on again and now it's gone. hope that helped.