diff --git a/serde/src/lib.rs b/serde/src/lib.rs
index a4a66308..5a835846 100644
--- a/serde/src/lib.rs
+++ b/serde/src/lib.rs
@@ -114,6 +114,8 @@
         doc_markdown,
         // false positive
         needless_doctest_main,
+        // noisy
+        must_use_candidate,
     )
 )]
 // Rustc lints.
diff --git a/serde_derive/src/lib.rs b/serde_derive/src/lib.rs
index 160f30bd..27447612 100644
--- a/serde_derive/src/lib.rs
+++ b/serde_derive/src/lib.rs
@@ -43,6 +43,7 @@
         items_after_statements,
         match_same_arms,
         module_name_repetitions,
+        must_use_candidate,
         similar_names,
         single_match_else,
         too_many_lines,
diff --git a/serde_test/src/lib.rs b/serde_test/src/lib.rs
index 0b556e07..f6ffa597 100644
--- a/serde_test/src/lib.rs
+++ b/serde_test/src/lib.rs
@@ -156,6 +156,7 @@
         empty_line_after_outer_attr,
         missing_docs_in_private_items,
         module_name_repetitions,
+        must_use_candidate,
         redundant_field_names,
         use_debug,
         use_self