How do you remove wallpaper glue from walls?

I use a 50/50 mix of vinegar and hot water with a sponge.

Hi Brenda,

I'm Linda. You can remove wallpaper glue with hot water & liquid dishwashing detergent. This article has some tips for stubborn spots and also some cautions to be aware of when removing wallpaper paste. Wishing you the best!

https://homeguides.sfgate.com/remove-wallpaper-glue-residue-41272.html

This quick video should help: https://www.youtube.com/watch?v=tZ3xyOuLnKk

Another DIY option is to combine equal parts hot water and white vinegar. Apply the solution to the wallpaper adhesive residue on the wall using a sponge or spray bottle. Give the solution a few minutes to seep in. Gently scrape off the softened wallpaper glue residue with a scraper or putty knife.

Steamer, WD-40 or SoapyWater and a Scraper.

Make a mixture of plain white vinegar and hot water. Sponge it on and let it hang out there for a bit, scrape off with a plastic scraper.

White household cleaning vinegar and hot water and a few drops of Dawn dish washing liquid applied with a sponge to soften the glue. What doesn't come off easily can be lightly scraped using a plastic scraper. Be careful not to gouge the sheetrock while scraping. Rinse with clear water using a different sponge or rag and then dry the area as you progress using an absorbent towel or cloth.

Hi Brenda, hope this helps you.

https://www.architecturaldigest.com/story/how-to-remove-wallpaper-glue#:~:text=To%20get%20a%20smooth%2C%20clean,to%20wipe%20or%20scrape%20away.