1 files changed, 1 insertions, 4 deletions
diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs
index 4fb63d67e78..403e0ec7950 100644
--- a/compiler/rustc_errors/src/diagnostic.rs
+++ b/compiler/rustc_errors/src/diagnostic.rs
@@ -91,10 +91,7 @@ where
 #[rustc_diagnostic_item = "DecorateLint"]
 pub trait DecorateLint<'a, G: EmissionGuarantee> {
     /// Decorate and emit a lint.
-    fn decorate_lint<'b>(
-        self,
-        diag: &'b mut DiagnosticBuilder<'a, G>,
-    ) -> &'b mut DiagnosticBuilder<'a, G>;
+    fn decorate_lint<'b>(self, diag: &'b mut DiagnosticBuilder<'a, G>);
 
     fn msg(&self) -> DiagnosticMessage;
 }