1) Remove stitches 2) Remove stitches from 3) Remove the stitches from 4) Rip out 5) Rip out stitches 6) Rip out stitchwork in 7) Rip out the stitches of 8) Rip the seams from 9) Take out stitches 10) Take out thread 11) Take the stitching apart 
• (v. t.) To undo, as something sewn, or something inclosed by sewing; to rip apart; to take out the stitches of.
to remove or rip the stitches of (something sewed).