1 files changed, 0 insertions, 9 deletions
diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs
index d06f03a7c17..d33f9369c24 100644
--- a/compiler/rustc_parse/src/errors.rs
+++ b/compiler/rustc_parse/src/errors.rs
@@ -496,15 +496,6 @@ pub(crate) struct OuterAttributeNotAllowedOnIfElse {
 }
 
 #[derive(Diagnostic)]
-#[diag(parse_outer_attr_ambiguous)]
-pub(crate) struct AmbiguousOuterAttributes {
-    #[primary_span]
-    pub span: Span,
-    #[subdiagnostic]
-    pub sugg: WrapInParentheses,
-}
-
-#[derive(Diagnostic)]
 #[diag(parse_missing_in_in_for_loop)]
 pub(crate) struct MissingInInForLoop {
     #[primary_span]