diff --git a/test_suite/tests/regression/issue2844.rs b/test_suite/tests/regression/issue2844.rs
index 492718c8b..3ad2012b9 100644
--- a/test_suite/tests/regression/issue2844.rs
+++ b/test_suite/tests/regression/issue2844.rs
@@ -1,3 +1,5 @@
+#![allow(clippy::trivially_copy_pass_by_ref)]
+
 use serde_derive::{Deserialize, Serialize};
 
 macro_rules! declare_in_macro {