How to hide the casting icon at top?

[uk56]

How can i hide the casting icon(as seen in attached picture) on top while i am casting my screen? 

[RohanGhag]

It may be possible with Goodlock , also you could change you status bar, there are some apps , which change the status bar

[uk56]

I tried goodlock. It does hide other icons but not this one.

[cs_member8]

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