Sen. Susan Collins says it’s “premature” for people to be discussing the politics behind filling the Supreme Court vacancy created by the death of Justice Antonin Scalia.

The statement comes as the Republican Party unites behind Majority Leader Mitch McConnell’s insistence that President Barack Obama’s successor fill the vacancy.

It would take 60 votes to overcome a filibuster threatened by Sen. Ted Cruz, and Obama’s allies would need 14 Republicans to break ranks. Of sitting senators, the only Republicans to support both of Obama’s previous Supreme Court nominations were Collins and Lindsey Graham of South Carolina.

Collins hasn’t said whether she supports the GOP delaying tactics. But she said it’s too early to be speculating “given that Justice Scalia died so recently and unexpectedly.”