diff --git a/src/r3_core/src/lib.rs b/src/r3_core/src/lib.rs
index 3670e21450..d13ba130d6 100644
--- a/src/r3_core/src/lib.rs
+++ b/src/r3_core/src/lib.rs
@@ -1,6 +1,5 @@
 #![feature(const_maybe_uninit_array_assume_init)]
 #![feature(const_fn_floating_point_arithmetic)]
-#![feature(const_nonnull_slice_from_raw_parts)]
 #![feature(const_maybe_uninit_uninit_array)]
 #![feature(const_maybe_uninit_assume_init)]
 #![feature(const_slice_from_raw_parts_mut)]