1 files changed, 3 insertions, 36 deletions
diff --git a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs
index f2a3c47bd..a9029a8ce 100644
--- a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs
+++ b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs
@@ -1,5 +1,5 @@
 use crate::errors::{
-    AmbiguousImpl, AmbiguousReturn, AnnotationRequired, InferenceBadError, NeedTypeInfoInGenerator,
+    AmbiguousImpl, AmbiguousReturn, AnnotationRequired, InferenceBadError,
     SourceKindMultiSuggestion, SourceKindSubdiag,
 };
 use crate::infer::error_reporting::TypeErrCtxt;
@@ -595,39 +595,6 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
     }
 }
 
-impl<'tcx> InferCtxt<'tcx> {
-    pub fn need_type_info_err_in_generator(
-        &self,
-        kind: hir::GeneratorKind,
-        span: Span,
-        ty: ty::Term<'tcx>,
-    ) -> DiagnosticBuilder<'tcx, ErrorGuaranteed> {
-        let ty = self.resolve_vars_if_possible(ty);
-        let data = self.extract_inference_diagnostics_data(ty.into(), None);
-
-        NeedTypeInfoInGenerator {
-            bad_label: data.make_bad_error(span),
-            span,
-            generator_kind: GeneratorKindAsDiagArg(kind),
-        }
-        .into_diagnostic(&self.tcx.sess.parse_sess.span_diagnostic)
-    }
-}
-
-pub struct GeneratorKindAsDiagArg(pub hir::GeneratorKind);
-
-impl IntoDiagnosticArg for GeneratorKindAsDiagArg {
-    fn into_diagnostic_arg(self) -> rustc_errors::DiagnosticArgValue<'static> {
-        let kind = match self.0 {
-            hir::GeneratorKind::Async(hir::AsyncGeneratorKind::Block) => "async_block",
-            hir::GeneratorKind::Async(hir::AsyncGeneratorKind::Closure) => "async_closure",
-            hir::GeneratorKind::Async(hir::AsyncGeneratorKind::Fn) => "async_fn",
-            hir::GeneratorKind::Gen => "generator",
-        };
-        rustc_errors::DiagnosticArgValue::Str(kind.into())
-    }
-}
-
 #[derive(Debug)]
 struct InferSource<'tcx> {
     span: Span,
@@ -951,7 +918,7 @@ impl<'a, 'tcx> FindInferSourceVisitor<'a, 'tcx> {
             //
             // See the `need_type_info/issue-103053.rs` test for
             // a example.
-            if !matches!(path.res, Res::Def(DefKind::TyAlias { .. }, _)) => {
+            if !matches!(path.res, Res::Def(DefKind::TyAlias, _)) => {
                 if let Some(ty) = self.opt_node_type(expr.hir_id)
                     && let ty::Adt(_, args) = ty.kind()
                 {
@@ -1080,7 +1047,7 @@ impl<'a, 'tcx> FindInferSourceVisitor<'a, 'tcx> {
                         ) => {
                             if tcx.res_generics_def_id(path.res) != Some(def.did()) {
                                 match path.res {
-                                    Res::Def(DefKind::TyAlias { .. }, _) => {
+                                    Res::Def(DefKind::TyAlias, _) => {
                                         // FIXME: Ideally we should support this. For that
                                         // we have to map back from the self type to the
                                         // type alias though. That's difficult.