Drop the Wed day workout. Your already hitting bis on Tuesday when you work back and you have pullups on your bicep day. Pullups do hit bis but is primarily a back exercise Here are few splits
Mon Chest/bi
Tues: legs
Wed: rest
Thurs: shoulders/tris
Fri: Back
or
Mon: Shoulders/Arms
Tues: legs
Wed: rest
Thurs: Chest
Fri: Back
or
Mon: Shoulders/Tris
Tues: Back/bi
Wed: rest
Thurs: Chest
Fri: Legs.