diff --git a/boring/src/bn.rs b/boring/src/bn.rs
index 9481d8d3..6ad25782 100644
--- a/boring/src/bn.rs
+++ b/boring/src/bn.rs
@@ -1082,7 +1082,7 @@ impl Ord for BigNumRef {
 
 impl PartialOrd for BigNum {
     fn partial_cmp(&self, oth: &BigNum) -> Option<Ordering> {
-        self.deref().partial_cmp(oth.deref())
+        Some(self.cmp(oth))
     }
 }
 
diff --git a/hyper-boring/src/cache.rs b/hyper-boring/src/cache.rs
index f750c0f2..7983d321 100644
--- a/hyper-boring/src/cache.rs
+++ b/hyper-boring/src/cache.rs
@@ -55,8 +55,9 @@ impl SessionCache {
 
         self.sessions
             .entry(key.clone())
-            .or_insert_with(LinkedHashSet::new)
+            .or_default()
             .insert(session.clone());
+
         self.reverse.insert(session, key);
     }