Sen. Chuck GrassleyCharles (Chuck) Ernest GrassleyFive takeaways from the court decision striking down ObamaCare The Year Ahead: Tough tests loom for Trump trade agenda Senate heads toward floor fight on criminal justice bill MORE (R-Iowa) announced Wednesday that he is canceling votes on nearly two dozen of President TrumpDonald John TrumpBiden, Sanders lead field in Iowa poll The Memo: Cohen fans flames around Trump Memo Comey used to brief Trump on dossier released: report MORE’s judicial nominees that were expected to come up in the Judiciary Committee this week.

The cancellation of the committee’s Thursday business meeting comes as Senate Republicans are in a standoff with outgoing Sen. Jeff FlakeJeffrey (Jeff) Lane FlakeThe Hill's 12:30 Report – Cohen says Trump knew payments were wrong | GOP in turmoil over Trump shutdown threat | Kyl to resign from Senate at year's end Overnight Defense: Senate bucks Trump with Yemen war vote, resolution calling crown prince 'responsible' for Khashoggi killing | House briefing on Saudi Arabia fails to move needle | Inhofe casts doubt on Space Force Flake asks Daily Show where he can get a blanket emblazoned with his 'meaningless tweets' MORE (R-Ariz.), who has vowed to oppose all court picks until he gets a vote on legislation protecting special counsel Robert MuellerRobert Swan MuellerSasse: US should applaud choice of Mueller to lead Russia probe MORE

The notification from the Judiciary Committee didn’t specify when, or if, the committee votes on the nominations would be rescheduled. Six circuit court nominees had been expected to get a vote, as well as 15 district court nominees. 

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But Grassley warned late Wednesday afternoon that he would likely cancel the meeting unless he could get a deal with Flake that would allow the nominations to move forward.

“We haven’t canceled the meeting yet,” Grassley said roughly an hour before the announcement. “If we don’t get a positive out of it, we’ll probably cancel the meeting.”

Republicans hold a 51-49 majority in the Senate, allowing them to move Trump's nominees despite Flake as long as the remaining 50 Republican senators remain united.

But on the Judiciary Committee Republicans are limited to a 11-10 majority, meaning they need Flake's support unless they can get help from Democrats.

"We can vote on all the people who cleared the committee," said Sen. John CornynJohn CornynKevin McLaughlin tapped to serve as NRSC executive director for 2020 On The Money: Trump leaves GOP in turmoil with shutdown looming | Trump names Mulvaney acting chief of staff | China agrees to 3-month freeze of auto tariffs | Dem to seek Deutsche Bank records of Trump's personal finances The Hill's Morning Report — Trump maintains his innocence amid mounting controversies MORE (Texas), the No. 2 Republican senator and a member of the Judiciary Committee. "But in terms of getting a vote out of committee, we need his help."

Flake reiterated earlier Wednesday that he remains committed to opposing nominees until he gets a vote on the Mueller protection bill. He tried to get consent to schedule a vote on the bill Wednesday but was blocked by Sen. Mike LeeMichael (Mike) Shumway LeeOvernight Defense: Senate bucks Trump with Yemen war vote, resolution calling crown prince 'responsible' for Khashoggi killing | House briefing on Saudi Arabia fails to move needle | Inhofe casts doubt on Space Force GOP-controlled Senate breaks with Trump on Saudi vote Senate moves toward vote on ending support for Saudi-led war MORE (R-Utah), who warned that the legislation was unconstitutional. 

The resolution, which cleared the Judiciary Committee earlier this year, would protect Mueller, or any other special counsel, in the event he is fired, but the bill has stalled amid opposition from GOP leadership.

The bill would codify Justice Department regulations that say only a senior department official could fire Mueller or another special counsel.

It would give a special counsel an "expedited review" of their firing. If a court determines that it wasn't for "good cause," the special counsel would be reinstated.