After being careless with tile adhesive here is how i cleaned it up from the base of the vanity.
How to remove tile adhesive from rendered wall.
If the adhesive is not cement based you could try sprinkling water to the wall to ease the scrapping process.
Wait several minutes and use a large scrapper to remove the mastic.
Since not all will come off there will be an uneven layer of adhesive left behind.
Fill drywall gouges with drywall joint compound and sand it smooth.
For semi soft adhesive mastic use 120 grit sandpaper to remove it from the wall.
You will then have to pry off the leftover residue.
Apply an adhesive removing paste to the wall.
Look for a formula that is either made for ceramic tile.
How to remove tile adhesive from drywall.
Work in 2 foot square sections to prevent the adhesive from hardening as you work.
This can be accomplished using a pry bar to peel off the larger chunks.
If the adhesive used was organic mastic the water will begin to soften it allowing you to.
After removing old wall tiles the remaining tile adhesive can be a nightmare to remove.
How to remove ceramic tile glue from a wall.
Heat the surface of the adhesive with the heat gun.
The rock hard adhesive will be thinset a cement based product.
To remove thinset use a stiff putty knife and some elbow grease to scrape it from the wall.
Allow to fully dry.
Apply some water to a small section of the adhesive.
If any adhesive gets stuck to the brush.
Scrape the surface of the adhesive with a stiff bristle brush.