X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_borrowck%2Fsrc%2Fsession_diagnostics.rs;h=13199d03852550687aa595f6f0450f65c4177a23;hb=c9270272df5bd7254b6ce1c7b69d41c75e443406;hp=23acf159240fa7bf509b44ee9683a6bac6acd87c;hpb=4b4aeae359fae65d844d7b557f9ab262d6ae6a5e;p=rust.git

diff --git a/compiler/rustc_borrowck/src/session_diagnostics.rs b/compiler/rustc_borrowck/src/session_diagnostics.rs
index 23acf159240..13199d03852 100644
--- a/compiler/rustc_borrowck/src/session_diagnostics.rs
+++ b/compiler/rustc_borrowck/src/session_diagnostics.rs
@@ -1,4 +1,4 @@
-use rustc_errors::{IntoDiagnosticArg, MultiSpan};
+use rustc_errors::MultiSpan;
 use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic};
 use rustc_middle::ty::{GenericArg, Ty};
 use rustc_span::Span;
@@ -128,18 +128,6 @@ pub(crate) enum LifetimeReturnCategoryErr<'a> {
     },
 }
 
-impl IntoDiagnosticArg for &RegionName {
-    fn into_diagnostic_arg(self) -> rustc_errors::DiagnosticArgValue<'static> {
-        format!("{}", self).into_diagnostic_arg()
-    }
-}
-
-impl IntoDiagnosticArg for RegionName {
-    fn into_diagnostic_arg(self) -> rustc_errors::DiagnosticArgValue<'static> {
-        format!("{}", self).into_diagnostic_arg()
-    }
-}
-
 #[derive(Subdiagnostic)]
 pub(crate) enum RequireStaticErr {
     #[note(borrowck_used_impl_require_static)]