Furniture wax protects your wood furniture from getting stained, nicked and scratched. When the wax gets old, however, it can turn yellow and begin to look dingy. The wax layers can also build up overtime to be too thick. If this is the case, you'll have to carefully remove the layer of wax. Use white spirit, which will remove the wax but will not damage the piece of furniture.
Dampen a clean cloth with white spirit. Wring it out so that it is wet but not dripping.
Rub the wood furniture with the mineral spirit-covered cloth. The white spirit will dissolve any wax covering that is on the wood furniture. Reapply the white spirit to the cloth as needed in order to remove the wax.
Stop applying the white spirit when you reach the actual wood.
Rub the piece of wood furniture with a water-dampened cloth to rinse off the white spirit.
Dry the piece of furniture with a clean, dry cloth.