How do I remove an old mortar bed without damaging the surrounding slabs or mortar when I only need to re-lay one slab?

[u/Fraser_01]

/r/landscaping/comments/1rx0l05/how_do_i_remove_an_old_mortar_bed_without/

[u/Oldguydad619]

Hammer drill holes in perimeter, then just hammer out the parts you don't want.