1 files changed, 3 insertions, 11 deletions
diff --git a/compiler/rustc_session/src/parse.rs b/compiler/rustc_session/src/parse.rs
index d97e1df2a16..2c3d8d5283b 100644
--- a/compiler/rustc_session/src/parse.rs
+++ b/compiler/rustc_session/src/parse.rs
@@ -2,9 +2,7 @@
 //! It also serves as an input to the parser itself.
 
 use crate::config::CheckCfg;
-use crate::errors::{
-    ExprParenthesesNeeded, FeatureDiagnosticForIssue, FeatureDiagnosticHelp, FeatureGateError,
-};
+use crate::errors::{FeatureDiagnosticForIssue, FeatureDiagnosticHelp, FeatureGateError};
 use crate::lint::{
     builtin::UNSTABLE_SYNTAX_PRE_EXPANSION, BufferedEarlyLint, BuiltinLintDiagnostics, Lint, LintId,
 };
@@ -13,8 +11,8 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexSet};
 use rustc_data_structures::sync::{Lock, Lrc};
 use rustc_errors::{emitter::SilentEmitter, ColorConfig, Handler};
 use rustc_errors::{
-    fallback_fluent_bundle, AddToDiagnostic, Diagnostic, DiagnosticBuilder, DiagnosticId,
-    DiagnosticMessage, EmissionGuarantee, ErrorGuaranteed, IntoDiagnostic, MultiSpan, StashKey,
+    fallback_fluent_bundle, Diagnostic, DiagnosticBuilder, DiagnosticId, DiagnosticMessage,
+    EmissionGuarantee, ErrorGuaranteed, IntoDiagnostic, MultiSpan, StashKey,
 };
 use rustc_feature::{find_feature_issue, GateIssue, UnstableFeatures};
 use rustc_span::edition::Edition;
@@ -324,12 +322,6 @@ impl ParseSess {
         });
     }
 
-    /// Extend an error with a suggestion to wrap an expression with parentheses to allow the
-    /// parser to continue parsing the following operation as part of the same expression.
-    pub fn expr_parentheses_needed(&self, err: &mut Diagnostic, span: Span) {
-        ExprParenthesesNeeded::surrounding(span).add_to_diagnostic(err);
-    }
-
     pub fn save_proc_macro_span(&self, span: Span) -> usize {
         let mut spans = self.proc_macro_quoted_spans.lock();
         spans.push(span);