diff --git a/src/lib.rs b/src/lib.rs
index 05269cf..e2c949d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,7 +4,7 @@
 #![deny(warnings)]
 #![cfg_attr(
     feature = "const-fn",
-    feature(const_fn, const_unsafe_cell_new)
+    feature(const_fn)
 )]
 #![no_std]