1 files changed, 6 insertions, 13 deletions
diff --git a/compiler/rustc_attr_parsing/src/attributes/semantics.rs b/compiler/rustc_attr_parsing/src/attributes/semantics.rs
index 54f50445fbd..c5e2bf6862f 100644
--- a/compiler/rustc_attr_parsing/src/attributes/semantics.rs
+++ b/compiler/rustc_attr_parsing/src/attributes/semantics.rs
@@ -1,22 +1,15 @@
 use rustc_attr_data_structures::AttributeKind;
-use rustc_feature::{AttributeTemplate, template};
-use rustc_span::{Symbol, sym};
+use rustc_span::{Span, Symbol, sym};
 
-use crate::attributes::{AttributeOrder, OnDuplicate, SingleAttributeParser};
-use crate::context::{AcceptContext, Stage};
-use crate::parser::ArgParser;
+use crate::attributes::{NoArgsAttributeParser, OnDuplicate};
+use crate::context::Stage;
 
 pub(crate) struct MayDangleParser;
-impl<S: Stage> SingleAttributeParser<S> for MayDangleParser {
+impl<S: Stage> NoArgsAttributeParser<S> for MayDangleParser {
     const PATH: &[Symbol] = &[sym::may_dangle];
-    const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepFirst;
     const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Warn;
-    const TEMPLATE: AttributeTemplate = template!(Word);
 
-    fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> {
-        if let Err(span) = args.no_args() {
-            cx.expected_no_args(span);
-        }
-        Some(AttributeKind::MayDangle(cx.attr_span))
+    fn create(span: Span) -> AttributeKind {
+        AttributeKind::MayDangle(span)
     }
 }