Case 1 : I have selected slicer for an example area:
Here we can see “clear selection” option:
Slicer settings:
Header : On
Title : On
Case 2 :
slicer setting after header set as “off” . we can not see the "clear selection" option.
Formatting Slicer:
Header : Off
Title : On
4 Comments
v-qiuyu-msftCommunity Support
Hi rmettu_1242,
Clear selections button is on the Slicer Header, so when you turn off the Header, Clear selections button doesn't display as well. It's not a bug.
Best Regards,
QiuyunYu- Vicky_Song
Impactful Individual
Status changed:NewtoDone 
rmettu_1242Advocate II
Hi Vicky_Song and v-qiuyu-msft
in my case most of the time slicer header is off, i am displaying only Title. i could not see clear selection option as well as dropdown--> list change . In previous power bi desktop relase has clear selection option when i turn off the header.
- v-qiuyu-msft
Hi rmettu_1242,
I miss the word "doesn't" in my previous post, I should double check it. :smileyembarrassed:
Based on my test, turn off the Header in slicer, the Clear selections button disappears. I didn't see the Clear selections button display though the header is turned off. Which previous version did you mean?
Best Regards,
QiuyunYu