U.S. Sen. J.D. Vance will resign from his seat in Congress’ upper chamber on Thursday ahead of his inauguration as vice president to President-elect Donald Trump.

WASHINGTON, D. C. - Barely two years after Cincinnati Republican JD Vance was sworn in as Ohio’s junior U.S. Senator, his spokesman said Thursday that Vance would resign from the job at midnight so he can be sworn in as Donald Trump’s vice president on Jan. 20.

JD Vance will resign from his Senate seat Thursday at midnight as he prepares to become vice president later this month. Vance, who served two years of his six-year Senate term, informed Ohio Gov. Mike DeWine of his plans in a resignation letter Thursday.

Vice President-elect JD Vance will resign his Senate seat effective Thursday at midnight, a source told CNN. This is a developing story and will be updated. For more CNN news and newsletters create an account at CNN.

Vice President-elect JD Vance will resign his Senate seat at midnight Thursday, clearing the way for his Jan. 20 swearing-in alongside Donald Trump.

Sen. J.D. Vance (R-OH) sent an official letter to Gov. Mike DeWine (R-OH) saying that his resignation will be effective at midnight Thursday in a move that leaves the Republican majority in the Senate at 51.