Ants are small creatures and it's difficult to remove them so expecting them to go away from your house or garden on its own when there is enough resources is unrealistic. Ants will keep coming for more food as long as there is food. There are some instances when ants can go away and that can occur when they find a better place with more resources. If you have garden then there will be ants and they not go away because they have enough food so you need to use different remedies to get rid of them.