diff --git a/src/common/span.rs b/src/common/span.rs
index 04e0bf9..8692736 100644
--- a/src/common/span.rs
+++ b/src/common/span.rs
@@ -1,3 +1,5 @@
+#![allow(dead_code)]
+
 use std::cmp::Ordering;
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]