diff --git a/src/sync.rs b/src/sync.rs
index 67001cd..6861033 100644
--- a/src/sync.rs
+++ b/src/sync.rs
@@ -181,7 +181,7 @@ struct Shard<K, V> {
 }
 
 impl<K, V> Shard<K, V> {
-    const fn new() -> Self {
+    fn new() -> Self {
         Self {
             map: RwLock::new(HashMap::new()),
             waiters: Mutex::new(HashMap::new()),