diff --git a/src/bin/uefi.rs b/src/bin/uefi.rs
index d81ebfd2..a4c1ce10 100644
--- a/src/bin/uefi.rs
+++ b/src/bin/uefi.rs
@@ -1,7 +1,6 @@
 #![no_std]
 #![no_main]
 #![feature(abi_efiapi)]
-#![feature(maybe_uninit_extra)]
 #![deny(unsafe_op_in_unsafe_fn)]
 
 // Defines the constants `KERNEL_BYTES` (array of `u8`) and `KERNEL_SIZE` (`usize`).
diff --git a/src/lib.rs b/src/lib.rs
index d30fb4cc..ab53fe9e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -66,7 +66,6 @@ for all possible configuration options.
 */
 
 #![cfg_attr(not(feature = "builder"), no_std)]
-#![feature(maybe_uninit_extra)]
 #![feature(maybe_uninit_slice)]
 #![deny(unsafe_op_in_unsafe_fn)]
 #![warn(missing_docs)]