diff --git a/src/bin/server/db.rs b/src/bin/server/db.rs
index a457d1a..2f06589 100644
--- a/src/bin/server/db.rs
+++ b/src/bin/server/db.rs
@@ -161,7 +161,7 @@ impl<K, V> Clone for DbMap<K, V> {
     fn clone(&self) -> Self {
         Self {
             tree: self.tree.clone(),
-            _pd: self._pd.clone(),
+            _pd: self._pd,
         }
     }
 }