diff --git a/src/attribute.rs b/src/attribute.rs
index 9d3a3511..a5853a9f 100644
--- a/src/attribute.rs
+++ b/src/attribute.rs
@@ -104,6 +104,7 @@ impl Attribute for DateTime<FixedOffset> {
     }
 }
 
+#[allow(dead_code)]
 pub fn get_attribute<T>(f: &Filter, attr: &str) -> Result<T, String>
 where
     T: Attribute,