obsolete 3-hexaprenyl-4-hydroxy-5-methoxybenzoic acid decarboxylase activity (obsolete GO:0036163)
OBSOLETE. Catalysis of the reaction: 4-hydroxy-3-methoxy-5-(all-trans-hexaprenyl)benzoate + H+ = 2-methoxy-6-(all-trans-hexaprenyl)phenol + CO2.