Yes, delete one of them and then combine them. It sounds like you received a W2-C?
If you directly imported them, you may need to write down the info first of the one you are deleting. Unless you are in a state that files the local taxes with your state taxes or are itemizing the expenses, this will not have any affect on your return.
If one of the above do apply to you, then you would need to delete the one the is incorrect numbers and add the correct numbers.
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