diff --git a/src/lib.rs b/src/lib.rs
index 9524f52..0de3a53 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -10,8 +10,6 @@
 
 #![cfg_attr(not(feature = "std"), no_std)]
 
-#![cfg_attr(feature = "i128", feature(i128_type, i128))]
-
 #![cfg_attr(feature = "cargo-clippy", allow(cast_lossless, unreadable_literal))]
 
 #[cfg(feature = "i128")]