diff --git a/examples/rustapi_module/src/lib.rs b/examples/rustapi_module/src/lib.rs
index 8087851a..6c2ef34c 100644
--- a/examples/rustapi_module/src/lib.rs
+++ b/examples/rustapi_module/src/lib.rs
@@ -1,4 +1,4 @@
-#![feature(use_extern_macros, specialization)]
+#![feature(specialization)]
 
 #[macro_use]
 extern crate pyo3;