obsolete cis-1,2-dihydroxy-1,2-dihydro-8-carboxynaphthalene dehydrogenase activity (obsolete GO:0034522)
OBSOLETE. Catalysis of the reaction: cis-1,2-dihydroxy-1,2-dihydro-8-carboxynaphthalene = 1,2-dihydroxy-8-carboxynaphthalene + 2 H+ + 2 e-.