diff --git a/src/formats/serde.rs b/src/formats/serde.rs
index 6023240..23be10a 100644
--- a/src/formats/serde.rs
+++ b/src/formats/serde.rs
@@ -22,19 +22,21 @@ where
 
 pub fn serialize_hints<S>(
     hints: &HashMap<String, OwnedValue>,
-    serializer: Serializer,
-) -> Result<S::Ok, S::Error> {
+    serializer: S,
+) -> Result<S::Ok, S::Error>
+where
+    S: Serializer,
+{
     let mut hint_map = serde_json::Map::new();
 
     for hint in hints {
-        if let (hint_name, hint_val) = hint {
-            let mut h = serde_json::Map::new();
-            let sig = hint_val.value_signature();
-            let val = hint_val.try_clone();
-            h.insert(sig.to_string(), serde_json::Value::String(val));
+        let (hint_name, hint_val) = hint;
+        let mut h = serde_json::Map::new();
+        let sig = hint_val.value_signature();
+        let val = hint_val.try_clone();
+        h.insert(sig.to_string(), serde_json::Value::String(val));
 
-            hint_map.insert(hint_name.clone(), serde_json::Value::Object(h.clone()));
-        }
+        hint_map.insert(hint_name.clone(), serde_json::Value::Object(h.clone()));
     }
 
     hint_map.serialize(serializer)