From 6ea175cd05bf8af703950cbf9dd6c707ba999011 Mon Sep 17 00:00:00 2001
From: Jynn Nelson <jynn.nelson@ferrous-systems.com>
Date: Mon, 30 Mar 2026 07:53:19 +0000
Subject: [PATCH] Remove unused code

---
 compiler/rustc_index/src/bit_set.rs | 2 --
 1 file changed, 2 deletions(-)

diff --git a/compiler/rustc_index/src/bit_set.rs b/compiler/rustc_index/src/bit_set.rs
index a2ab99f675ca..c9eaf16001f0 100644
--- a/compiler/rustc_index/src/bit_set.rs
+++ b/compiler/rustc_index/src/bit_set.rs
@@ -1,6 +1,4 @@
 use std::marker::PhantomData;
-#[cfg(not(feature = "nightly"))]
-use std::mem;
 use std::ops::{Bound, Range, RangeBounds};
 use std::rc::Rc;
 use std::{fmt, iter, slice};