Remove unnecessary `.to_string()`/`.as_str()`s

3 files changed, 3 insertions, 3 deletions

diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs
index 9f748e2a3fe..e36a648e203 100644
--- a/compiler/rustc_parse/src/parser/expr.rs
+++ b/compiler/rustc_parse/src/parser/expr.rs
@@ -3288,7 +3288,7 @@ impl<'a> Parser<'a> {
                         } else {
                             Applicability::MaybeIncorrect
                         };
-                        err.span_suggestion_verbose(sugg_sp, msg, "=> ".to_string(), applicability);
+                        err.span_suggestion_verbose(sugg_sp, msg, "=> ", applicability);
                     }
                 }
                 err
diff --git a/compiler/rustc_parse/src/parser/generics.rs b/compiler/rustc_parse/src/parser/generics.rs
index 48cf04f7790..e059e707491 100644
--- a/compiler/rustc_parse/src/parser/generics.rs
+++ b/compiler/rustc_parse/src/parser/generics.rs
@@ -148,7 +148,7 @@ impl<'a> Parser<'a> {
             .with_span_suggestion_verbose(
                 mistyped_const_ident.span,
                 "use the `const` keyword",
-                kw::Const.as_str(),
+                kw::Const,
                 Applicability::MachineApplicable,
             )
             .emit();
diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs
index 9a77643f951..8050b34956c 100644
--- a/compiler/rustc_parse/src/parser/item.rs
+++ b/compiler/rustc_parse/src/parser/item.rs
@@ -1453,7 +1453,7 @@ impl<'a> Parser<'a> {
                                 err.span_suggestion_verbose(
                                     prev_span,
                                     "perhaps you meant to use `struct` here",
-                                    "struct".to_string(),
+                                    "struct",
                                     Applicability::MaybeIncorrect,
                                 );
                             }