diff --git a/src/index.rs b/src/index.rs
index b080b63..543140a 100644
--- a/src/index.rs
+++ b/src/index.rs
@@ -488,9 +488,9 @@ pub fn count_nodes<T>(idx: &Index<T>) -> i32 {
         if let Some(next) = &n.next {
             count += count_nodes_recursively(next);
         }
-        return count;
+        count
     }
-    return count_nodes_recursively(&idx.root);
+    count_nodes_recursively(&idx.root)
 }
 
 #[cfg(test)]
diff --git a/src/query.rs b/src/query.rs
index 170c23e..a66d8b1 100644
--- a/src/query.rs
+++ b/src/query.rs
@@ -137,7 +137,6 @@ pub fn query<T: Eq + Hash + Clone + Debug, M, S: ScoreCalculator<T, M>>(
                                 let pointer_borrowed = p.lock().unwrap();
                                 let details = &pointer_borrowed.details.lock().unwrap();
                                 let key = &details.key;
-                                std::mem::drop(details);
                                 if removed.is_none() || !removed.unwrap().contains(&key) {
                                     let score = &score_calculator.score(
                                         pre_calculations.as_ref(),