Discontinued merit badges by Group

From MeritBadgeDotOrg

Outdoor Sports 

Fishing, Archery, Hiking, Marksmanship, Cycling, Horsemanship, Skiing, Athletics

Conservation 

Soil and Water Conservation, Forestry, Wildlife Management

Citizenship 

Citizenship in the Home, Citizenship in the Community, Citizenship in the Nation, World Brotherhood

Animal Husbandry 

First Aid to Animals, Dog Care, Poultry Keeping, Pigeon Raising, Beekeeping, Beef Production, Hog and Pork Production, Sheep Farming, Animal Industry, Rabbit Raising, Dairying

Plant Cultivation 

Gardening, Landscape Gardening, Fruit Culture, Citrus Fruit Culture, Nut Culture, Agriculture, Corn Farming, Small Grains, Cotton Farming, Grasses, Legumes, and Forage Crops

Communication 

Signaling, Printing

Transportation 

Automobiling 

Automobiling, Automotive Safety, Auto Mechanics

Aviation 

Aviation (original), Aerodynamics, Aeronautics, Airplane Design, Airplane Structure

Seamanship 

Seaman, Seamanship

Building 

Home Repairs, Farm Home and Its Planning, Farm Layout and Building Arrangement, Machinery, Farm Mechanics, Woodwork, Metalwork, Masonry, Painting, Plumbing, Electricity, Chemistry

Disabilities 

Handicapped Awareness, Handicap Awareness