diff --git a/macros/src/lib.rs b/macros/src/lib.rs
index 728e6133ec..65d5ad89d0 100644
--- a/macros/src/lib.rs
+++ b/macros/src/lib.rs
@@ -1,6 +1,5 @@
 //! Procedural macros of the `cortex-m-rtfm` crate
 // #![deny(warnings)]
-#![feature(proc_macro)]
 #![recursion_limit = "128"]
 
 #[macro_use]