diff --git a/serde_derive_internals/lib.rs b/serde_derive_internals/lib.rs
index 5bc767569..576e81a10 100644
--- a/serde_derive_internals/lib.rs
+++ b/serde_derive_internals/lib.rs
@@ -7,6 +7,7 @@
         cognitive_complexity,
         redundant_field_names,
         result_unit_err,
+        should_implement_trait,
         trivially_copy_pass_by_ref,
         wildcard_in_or_patterns,
         // clippy bug: https://github.com/rust-lang/rust-clippy/issues/5704