A)  First, go back to the 1099-INT area and see if you see the duplicated $$ on a 1099-INT form and delete the duplicate.

Not there?

B)  Do the following to see if you can find it.

1) go to the left-side navigation menu, click on:

<"Tax Tools"

<<<Tools

Then select <<<"Delete a Form" from the pop-up endow.

2) scroll down the list of forms look for a "Schedule B - Form 1099-INT ( Untitled) " and hit the "Delete" along side of it.

3) then scroll to the bottom to find the "Continue with my Return" button.

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4)  IF that doesn't work, repeat, but :

.........delete the entire Schedule B (that was the only way someone else could get it "gone"),

................ but then you will need  to re-enter all your 1099-INT, 1099-DIV ( and 1099-OID forms....if any).

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Please Let me know if that works.