Removing thinset from brick?

[meharris]

Hi there,
A few weeks ago my husband and I thought we were going to be tiling over part of a brick fireplace in our bedroom, so we put on a layer of thinset. I have since changed my mind and would like to just leave the brick fireplace alone. Is there any way to remove the thinset without damaging the bricks underneath?
Thanks!

 

[Square Eye]

Wire brush and muratic acid..
The quicker you get it off the better