diff --git a/src/lib.rs b/src/lib.rs
index e8de4fe..b0bff6d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,3 @@
-#![feature(assert_matches)]
-
 use once_cell::sync::Lazy;
 
 pub mod ast;