diff --git a/crates/boojum/rust-toolchain.toml b/crates/boojum/rust-toolchain.toml
index bc5d1d6..991dedb 100644
--- a/crates/boojum/rust-toolchain.toml
+++ b/crates/boojum/rust-toolchain.toml
@@ -1,2 +1,3 @@
 [toolchain]
-channel = "nightly-2024-08-01"
+# channel = "nightly-2024-08-01"
+channel = "nightly"
diff --git a/crates/boojum/src/lib.rs b/crates/boojum/src/lib.rs
index 3c72a85..4d5a290 100644
--- a/crates/boojum/src/lib.rs
+++ b/crates/boojum/src/lib.rs
@@ -31,7 +31,6 @@
 #![feature(const_swap)]
 #![feature(inline_const)]
 #![feature(slice_swap_unchecked)]
-#![feature(const_slice_index)]
 #![feature(core_intrinsics)]
 #![feature(const_eval_select)]
 #![feature(get_mut_unchecked)]