They could always remove him.
The Majority leader calling votes is in rules written in the 1920s, but it's not actually part of the Constitution. So checks and balances don't get to come into play, unless someone wants to challenge the Constitutionality of Senate rules.
https://www.kiiitv.com/article/news...ment/507-89f1f5b9-db19-4af3-9347-bf38621bda2e
The Majority leader calling votes is in rules written in the 1920s, but it's not actually part of the Constitution. So checks and balances don't get to come into play, unless someone wants to challenge the Constitutionality of Senate rules.
https://www.kiiitv.com/article/news...ment/507-89f1f5b9-db19-4af3-9347-bf38621bda2e