2 files changed, 7 insertions, 7 deletions
diff --git a/compiler/rustc_session/src/parse.rs b/compiler/rustc_session/src/parse.rs
index f9f4f2979c4..2aa8ca9e4a9 100644
--- a/compiler/rustc_session/src/parse.rs
+++ b/compiler/rustc_session/src/parse.rs
@@ -122,7 +122,7 @@ pub fn feature_err_issue<'a>(
 /// Construct a future incompatibility diagnostic for a feature gate.
 ///
 /// This diagnostic is only a warning and *does not cause compilation to fail*.
-pub fn feature_warn<'a>(sess: &'a ParseSess, feature: Symbol, span: Span, explain: &str) {
+pub fn feature_warn(sess: &ParseSess, feature: Symbol, span: Span, explain: &str) {
     feature_warn_issue(sess, feature, span, GateIssue::Language, explain);
 }
 
@@ -134,8 +134,8 @@ pub fn feature_warn<'a>(sess: &'a ParseSess, feature: Symbol, span: Span, explai
 /// Almost always, you want to use this for a language feature. If so, prefer `feature_warn`.
 #[allow(rustc::diagnostic_outside_of_impl)]
 #[allow(rustc::untranslatable_diagnostic)]
-pub fn feature_warn_issue<'a>(
-    sess: &'a ParseSess,
+pub fn feature_warn_issue(
+    sess: &ParseSess,
     feature: Symbol,
     span: Span,
     issue: GateIssue,
@@ -160,7 +160,7 @@ pub fn feature_warn_issue<'a>(
 }
 
 /// Adds the diagnostics for a feature to an existing error.
-pub fn add_feature_diagnostics<'a>(err: &mut Diagnostic, sess: &'a ParseSess, feature: Symbol) {
+pub fn add_feature_diagnostics(err: &mut Diagnostic, sess: &ParseSess, feature: Symbol) {
     add_feature_diagnostics_for_issue(err, sess, feature, GateIssue::Language);
 }
 
@@ -169,9 +169,9 @@ pub fn add_feature_diagnostics<'a>(err: &mut Diagnostic, sess: &'a ParseSess, fe
 /// This variant allows you to control whether it is a library or language feature.
 /// Almost always, you want to use this for a language feature. If so, prefer
 /// `add_feature_diagnostics`.
-pub fn add_feature_diagnostics_for_issue<'a>(
+pub fn add_feature_diagnostics_for_issue(
     err: &mut Diagnostic,
-    sess: &'a ParseSess,
+    sess: &ParseSess,
     feature: Symbol,
     issue: GateIssue,
 ) {
diff --git a/compiler/rustc_session/src/utils.rs b/compiler/rustc_session/src/utils.rs
index e65b6891e32..b996d36a318 100644
--- a/compiler/rustc_session/src/utils.rs
+++ b/compiler/rustc_session/src/utils.rs
@@ -3,7 +3,7 @@ use rustc_data_structures::profiling::VerboseTimingGuard;
 use std::path::{Path, PathBuf};
 
 impl Session {
-    pub fn timer<'a>(&'a self, what: &'static str) -> VerboseTimingGuard<'a> {
+    pub fn timer(&self, what: &'static str) -> VerboseTimingGuard<'_> {
         self.prof.verbose_generic_activity(what)
     }
     pub fn time<R>(&self, what: &'static str, f: impl FnOnce() -> R) -> R {