diff --git a/src/format.rs b/src/format.rs
index cd9fd3b0..40ccb34a 100644
--- a/src/format.rs
+++ b/src/format.rs
@@ -372,6 +372,11 @@ impl AuditEntry {
 
 /// Implement PartialOrd manually because the order we want for sorting is
 /// different than the order we want for serialization.
+///
+/// Strictly speaking Ord and PartialOrd implementations are supposed to agree,
+/// and clippy recently started complaining about this. We should consider whether
+/// there's another solution to this problem.
+#[allow(clippy::non_canonical_partial_ord_impl)]
 impl cmp::PartialOrd for AuditEntry {
     fn partial_cmp<'a>(&'a self, other: &'a AuditEntry) -> Option<cmp::Ordering> {
         let tuple = |x: &'a AuditEntry| (&x.kind, &x.criteria, &x.who, &x.notes);