diff --git a/src/lib.rs b/src/lib.rs
index 8c4f89b5db90772a4aad9a2c45b2e275e2ae0725..a6e62b8399e80ff957dd3c408dda0c97280192ac 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,5 @@
 #![recursion_limit = "512"]
-#![feature(extern_crate_item_prelude)]
+#![feature(option_replace)]
 // While under active devel, these warnings are kind of annoying.
 #![allow(dead_code)]
 
@@ -241,6 +241,14 @@ use crate::errors::*;
 #[macro_use]
 mod errors;
 
+#[macro_use]
+extern crate quote;
+extern crate syn;
+
+extern crate glib;
+extern crate glib_sys;
+extern crate gobject_sys;
+
 mod ast;
 mod checking;
 mod gen;
diff --git a/src/parser/mod.rs b/src/parser/mod.rs
index 38c6f092774b10460a03f0be651387ce316412ed..3016799ebc414a30e8d323ad340e9f2d1d0fe4f8 100644
--- a/src/parser/mod.rs
+++ b/src/parser/mod.rs
@@ -1,4 +1,5 @@
-use proc_macro;
+extern crate proc_macro;
+
 use proc_macro2::TokenStream;
 use syn::parse::{Parse, ParseStream, Result};
 use syn::{self, braced, parenthesized, Token};