1 files changed, 1 insertions, 1 deletions
diff --git a/src/librustdoc/passes/lint/check_code_block_syntax.rs b/src/librustdoc/passes/lint/check_code_block_syntax.rs
index e73649c7224..6649894f9c2 100644
--- a/src/librustdoc/passes/lint/check_code_block_syntax.rs
+++ b/src/librustdoc/passes/lint/check_code_block_syntax.rs
@@ -156,7 +156,7 @@ impl Translate for BufferEmitter {
 }
 
 impl Emitter for BufferEmitter {
-    fn emit_diagnostic(&mut self, diag: &Diagnostic) {
+    fn emit_diagnostic(&mut self, diag: Diagnostic) {
         let mut buffer = self.buffer.borrow_mut();
 
         let fluent_args = to_fluent_args(diag.args());