When he dropped his push, Dayton said it would be unfair to broaden the sales tax to consumer services while leaving businesses out. His spokesman, Bob Hume, said Thursday that Dayton "has no interest" in reviving the discussion.
The Senate tax plan, which faces more fine-tuning before a floor vote in coming weeks, also includes higher taxes on cigarettes.
For now, Senate Democrats aren't detailing their plans for the income tax. But legislative leaders have said they are likely to go along with Dayton's call to boost taxes on top earners by adding a fourth tax bracket. That provision is expected to surface as the tax proposal advances through the Senate.