diff --git a/src/lib.rs b/src/lib.rs
index f2a0cad5..8879012f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -71,8 +71,6 @@
 #![allow(clippy::negative_feature_names)]
 #![allow(clippy::module_inception)]
 
-#![cfg_attr(feature = "static_hash", feature(once_cell))]
-
 #[cfg(feature = "no_std")]
 extern crate alloc;