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-rw-r--r--compiler/rustc_lint/src/reference_casting.rs2
1 files changed, 0 insertions, 2 deletions
diff --git a/compiler/rustc_lint/src/reference_casting.rs b/compiler/rustc_lint/src/reference_casting.rs
index 5e8c39c0023..45d97403d60 100644
--- a/compiler/rustc_lint/src/reference_casting.rs
+++ b/compiler/rustc_lint/src/reference_casting.rs
@@ -54,8 +54,6 @@ impl<'tcx> LateLintPass<'tcx> for InvalidReferenceCasting {
                 && let Some(ty_has_interior_mutability) =
                     is_cast_from_ref_to_mut_ptr(cx, init, &mut peel_casts)
             {
-                let ty_has_interior_mutability = ty_has_interior_mutability.then_some(());
-
                 cx.emit_span_lint(
                     INVALID_REFERENCE_CASTING,
                     expr.span,