diff --git a/src/main.rs b/src/main.rs
index 30c763c..3208f81 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,5 @@
 #![recursion_limit = "256"]
-#![feature(proc_macro_hygiene, decl_macro, type_alias_impl_trait)]
+#![feature(proc_macro_hygiene, decl_macro)]
 
 #[macro_use]
 extern crate diesel;