diff --git a/examples/fairing.rs b/examples/fairing.rs
index 30cc18c..9e33b4b 100644
--- a/examples/fairing.rs
+++ b/examples/fairing.rs
@@ -1,4 +1,3 @@
-#![feature(proc_macro_hygiene, decl_macro)]
 use std::error::Error;
 
 use rocket::http::Method;
diff --git a/examples/guard.rs b/examples/guard.rs
index 15e683d..28f409a 100644
--- a/examples/guard.rs
+++ b/examples/guard.rs
@@ -1,4 +1,3 @@
-#![feature(proc_macro_hygiene, decl_macro)]
 use std::error::Error;
 use std::io::Cursor;
 
diff --git a/examples/json.rs b/examples/json.rs
index f19846a..1e49cf1 100644
--- a/examples/json.rs
+++ b/examples/json.rs
@@ -1,8 +1,6 @@
 //! This example is to demonstrate the JSON serialization and deserialization of the Cors settings
 //!
 //! Note: This requires the `serialization` feature which is enabled by default.
-#![feature(proc_macro_hygiene, decl_macro)]
-
 use rocket_cors as cors;
 
 use crate::cors::{AllowedHeaders, AllowedOrigins, CorsOptions};
diff --git a/examples/manual.rs b/examples/manual.rs
index be5e678..9749664 100644
--- a/examples/manual.rs
+++ b/examples/manual.rs
@@ -1,4 +1,3 @@
-#![feature(proc_macro_hygiene, decl_macro)]
 use std::io::Cursor;
 
 use rocket::error::Error;
diff --git a/examples/mix.rs b/examples/mix.rs
index 17ab817..515bc94 100644
--- a/examples/mix.rs
+++ b/examples/mix.rs
@@ -3,7 +3,6 @@
 //! In this example, you typically have an application wide `Cors` struct except for one specific
 //! `ping` route that you want to allow all Origins to access.
 
-#![feature(proc_macro_hygiene, decl_macro)]
 use rocket::error::Error;
 use rocket::http::Method;
 use rocket::response::Responder;
diff --git a/rust-toolchain b/rust-toolchain
deleted file mode 100644
index bf867e0..0000000
--- a/rust-toolchain
+++ /dev/null
@@ -1 +0,0 @@
-nightly
diff --git a/tests/fairing.rs b/tests/fairing.rs
index a3498e6..c791374 100644
--- a/tests/fairing.rs
+++ b/tests/fairing.rs
@@ -1,5 +1,4 @@
 //! This crate tests using `rocket_cors` using Fairings
-#![feature(proc_macro_hygiene, decl_macro)]
 use rocket::http::hyper;
 use rocket::http::Method;
 use rocket::http::{Header, Status};
diff --git a/tests/guard.rs b/tests/guard.rs
index b820047..3d0c9a9 100644
--- a/tests/guard.rs
+++ b/tests/guard.rs
@@ -1,5 +1,4 @@
 //! This crate tests using `rocket_cors` using the per-route handling with request guard
-#![feature(proc_macro_hygiene, decl_macro)]
 use rocket_cors as cors;
 
 use rocket::http::hyper;
diff --git a/tests/headers.rs b/tests/headers.rs
index 9c86d3d..7becb6c 100644
--- a/tests/headers.rs
+++ b/tests/headers.rs
@@ -1,5 +1,4 @@
 //! This crate tests that all the request headers are parsed correctly in the round trip
-#![feature(proc_macro_hygiene, decl_macro)]
 use std::ops::Deref;
 
 use rocket::http::hyper;
diff --git a/tests/manual.rs b/tests/manual.rs
index b335102..f01c915 100644
--- a/tests/manual.rs
+++ b/tests/manual.rs
@@ -1,5 +1,4 @@
 //! This crate tests using `rocket_cors` using manual mode
-#![feature(proc_macro_hygiene, decl_macro)]
 use rocket::http::hyper;
 use rocket::http::Method;
 use rocket::http::{Header, Status};
diff --git a/tests/mix.rs b/tests/mix.rs
index bbd3e08..d0bc6e0 100644
--- a/tests/mix.rs
+++ b/tests/mix.rs
@@ -2,7 +2,6 @@
 //!
 //! In this example, you typically have an application wide `Cors` struct except for one specific
 //! `ping` route that you want to allow all Origins to access.
-#![feature(proc_macro_hygiene, decl_macro)]
 use rocket::http::hyper;
 use rocket::http::{Header, Method, Status};
 use rocket::local::blocking::Client;