diff --git a/src/lib.rs b/src/lib.rs
index c3611bbaa141c59a375401f630abde63bff94968..d5d9e9cabccd073e273bb450925e25656312e428 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -50,10 +50,8 @@
 #![feature(asm_const)] // TODO: Relax requirements of most asm invocations
 #![feature(concat_idents)]
 #![feature(core_intrinsics)]
-#![feature(integer_atomics)]
 #![feature(int_roundings)]
 #![feature(naked_functions)]
-#![feature(ptr_internals)]
 #![feature(slice_ptr_get, slice_ptr_len)]
 #![feature(sync_unsafe_cell)]
 #![feature(thread_local)]