The Fed held rates at 3.5% to 3.75% in a unanimous 12-0 vote.
Nine policymakers now expect rate hikes this year, while eight support no change and one favors a cut.
Officials said inflation remains too high, with the Middle East conflict and rising energy costs adding pressure.
Kevin Warsh’s influence is already visible in the shorter statement, which removed guidance on future rate moves and highlighted strong productivity and investment.