Despite lingering market pressure on the Bank of Japan to take further easing steps, its Group of 20 counterparts might not welcome the central bank's next move.

With concern mounting about how the BOJ's unprecedented purchases of government bonds and risky assets will impact global markets, the G-20 finance chiefs might pressure the BOJ in the near future to clarify how it will phase out the deflation-busting measures.

The G-20 finance ministers and central bank governors — who are struggling to prevent the Russia-Ukraine crisis from hurting the world economy — wrapped up their two-day meeting Friday in Washington by emphasizing in a communique that they will "continue to provide clear and timely communication" of their monetary policy actions.