diff --git a/maybe_rayon/src/lib.rs b/maybe_rayon/src/lib.rs
index 94289849..718b046f 100644
--- a/maybe_rayon/src/lib.rs
+++ b/maybe_rayon/src/lib.rs
@@ -1,4 +1,4 @@
-#![cfg_attr(not(std), no_std)]
+#![no_std]
 
 #[cfg(not(feature = "parallel"))]
 extern crate alloc;