0 to take the stitches (= pieces of thread that have been sewn to hold something together) out of something: --
1 to change, spoil, or destroy something that has existed or been done previously: --
I don't believe that any future board or any future chairman will try and unstitch what we've put in place.
The tariffs may spark a trade war that could unstitch Britain's special relationship with the US.
Nothing goes to waste. Outsize T-shirts are cut up and sewn together, belt loops, zippers and pockets are painstakingly unstitched from ragged jeans.
When the sweaters wore thin on the elbow, you simply unstitched the sleeves and reversed them.