1 files changed, 3 insertions, 7 deletions
diff --git a/compiler/rustc_passes/src/diagnostic_items.rs b/compiler/rustc_passes/src/diagnostic_items.rs
index a72056e00..10ffa87ef 100644
--- a/compiler/rustc_passes/src/diagnostic_items.rs
+++ b/compiler/rustc_passes/src/diagnostic_items.rs
@@ -18,11 +18,7 @@ use rustc_span::symbol::{kw::Empty, sym, Symbol};
 
 use crate::errors::{DuplicateDiagnosticItem, DuplicateDiagnosticItemInCrate};
 
-fn observe_item<'tcx>(
-    tcx: TyCtxt<'tcx>,
-    diagnostic_items: &mut DiagnosticItems,
-    def_id: LocalDefId,
-) {
+fn observe_item(tcx: TyCtxt<'_>, diagnostic_items: &mut DiagnosticItems, def_id: LocalDefId) {
     let hir_id = tcx.hir().local_def_id_to_hir_id(def_id);
     let attrs = tcx.hir().attrs(hir_id);
     if let Some(name) = extract(attrs) {
@@ -63,7 +59,7 @@ fn extract(attrs: &[ast::Attribute]) -> Option<Symbol> {
 }
 
 /// Traverse and collect the diagnostic items in the current
-fn diagnostic_items<'tcx>(tcx: TyCtxt<'tcx>, cnum: CrateNum) -> DiagnosticItems {
+fn diagnostic_items(tcx: TyCtxt<'_>, cnum: CrateNum) -> DiagnosticItems {
     assert_eq!(cnum, LOCAL_CRATE);
 
     // Initialize the collector.
@@ -92,7 +88,7 @@ fn diagnostic_items<'tcx>(tcx: TyCtxt<'tcx>, cnum: CrateNum) -> DiagnosticItems
 }
 
 /// Traverse and collect all the diagnostic items in all crates.
-fn all_diagnostic_items<'tcx>(tcx: TyCtxt<'tcx>, (): ()) -> DiagnosticItems {
+fn all_diagnostic_items(tcx: TyCtxt<'_>, (): ()) -> DiagnosticItems {
     // Initialize the collector.
     let mut items = DiagnosticItems::default();