Pick at the edge of the tape with a dull knife or your fingernail.
Pull the loosened edge of the tape, stripping it off the couch. Gently peel back the tape to prevent fraying the upholstery.
Scrape any excess tape adhesive off the couch using the dull knife. Remove as much tape residue as possible.
Dampen a white cloth with a dab of dry cleaning solvent. Use the amount of solvent advised on the instructions by the dry cleaning product's manufacturer.
Tamp the remaining tape adhesive with the dry cleaning solvent. Continue tamping the adhesive residue until it dissolves entirely.
Blot the previously adhesive-stained upholstery with another dry, white cloth to absorb any remaining solvent in the upholstery. Thoroughly dry the upholstery. No rinsing is necessary.