diff --git a/crates/ruma/tests/outgoing.rs b/crates/ruma/tests/outgoing.rs
index b4c16983..03904501 100644
--- a/crates/ruma/tests/outgoing.rs
+++ b/crates/ruma/tests/outgoing.rs
@@ -12,6 +12,7 @@ pub struct Thing<'t, T> {
 }
 
 #[derive(Debug)]
+#[allow(dead_code)]
 pub struct IncomingThing<T> {
     some: String,
     t: T,