5 files changed, 10 insertions, 10 deletions
diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs
index a1c77ec0cfc..edde1537b81 100644
--- a/compiler/rustc_codegen_ssa/src/back/link.rs
+++ b/compiler/rustc_codegen_ssa/src/back/link.rs
@@ -607,21 +607,21 @@ fn link_dwarf_object<'a>(
     }
 
     impl<Relocations> ThorinSession<Relocations> {
-        fn alloc_mmap<'arena>(&'arena self, data: Mmap) -> &'arena Mmap {
+        fn alloc_mmap(&self, data: Mmap) -> &Mmap {
             (*self.arena_mmap.alloc(data)).borrow()
         }
     }
 
     impl<Relocations> thorin::Session<Relocations> for ThorinSession<Relocations> {
-        fn alloc_data<'arena>(&'arena self, data: Vec<u8>) -> &'arena [u8] {
+        fn alloc_data(&self, data: Vec<u8>) -> &[u8] {
             (*self.arena_data.alloc(data)).borrow()
         }
 
-        fn alloc_relocation<'arena>(&'arena self, data: Relocations) -> &'arena Relocations {
+        fn alloc_relocation(&self, data: Relocations) -> &Relocations {
             (*self.arena_relocations.alloc(data)).borrow()
         }
 
-        fn read_input<'arena>(&'arena self, path: &Path) -> std::io::Result<&'arena [u8]> {
+        fn read_input(&self, path: &Path) -> std::io::Result<&[u8]> {
             let file = File::open(&path)?;
             let mmap = (unsafe { Mmap::map(file) })?;
             Ok(self.alloc_mmap(mmap))
diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
index 22f534d909a..8cb7d74b90d 100644
--- a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
+++ b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
@@ -163,10 +163,10 @@ fn is_reachable_non_generic_provider_extern(tcx: TyCtxt<'_>, def_id: DefId) -> b
     tcx.reachable_non_generics(def_id.krate).contains_key(&def_id)
 }
 
-fn exported_symbols_provider_local<'tcx>(
-    tcx: TyCtxt<'tcx>,
+fn exported_symbols_provider_local(
+    tcx: TyCtxt<'_>,
     cnum: CrateNum,
-) -> &'tcx [(ExportedSymbol<'tcx>, SymbolExportInfo)] {
+) -> &[(ExportedSymbol<'_>, SymbolExportInfo)] {
     assert_eq!(cnum, LOCAL_CRATE);
 
     if !tcx.sess.opts.output_types.should_codegen() {
diff --git a/compiler/rustc_codegen_ssa/src/debuginfo/mod.rs b/compiler/rustc_codegen_ssa/src/debuginfo/mod.rs
index 6e3f4f0b8ef..60e9b40e8fb 100644
--- a/compiler/rustc_codegen_ssa/src/debuginfo/mod.rs
+++ b/compiler/rustc_codegen_ssa/src/debuginfo/mod.rs
@@ -10,7 +10,7 @@ pub mod type_names;
 /// NOTE: This is somewhat inconsistent right now: For empty enums and enums with a single
 ///       fieldless variant, we generate DW_TAG_struct_type, although a
 ///       DW_TAG_enumeration_type would be a better fit.
-pub fn wants_c_like_enum_debuginfo<'tcx>(enum_type_and_layout: TyAndLayout<'tcx>) -> bool {
+pub fn wants_c_like_enum_debuginfo(enum_type_and_layout: TyAndLayout<'_>) -> bool {
     match enum_type_and_layout.ty.kind() {
         ty::Adt(adt_def, _) => {
             if !adt_def.is_enum() {
diff --git a/compiler/rustc_codegen_ssa/src/meth.rs b/compiler/rustc_codegen_ssa/src/meth.rs
index d96ca921f1f..2421acab471 100644
--- a/compiler/rustc_codegen_ssa/src/meth.rs
+++ b/compiler/rustc_codegen_ssa/src/meth.rs
@@ -65,7 +65,7 @@ impl<'a, 'tcx> VirtualIndex {
 
 /// This takes a valid `self` receiver type and extracts the principal trait
 /// ref of the type.
-fn expect_dyn_trait_in_self<'tcx>(ty: Ty<'tcx>) -> ty::PolyExistentialTraitRef<'tcx> {
+fn expect_dyn_trait_in_self(ty: Ty<'_>) -> ty::PolyExistentialTraitRef<'_> {
     for arg in ty.peel_refs().walk() {
         if let GenericArgKind::Type(ty) = arg.unpack() {
             if let ty::Dynamic(data, _, _) = ty.kind() {
diff --git a/compiler/rustc_codegen_ssa/src/target_features.rs b/compiler/rustc_codegen_ssa/src/target_features.rs
index 0dabe96b602..da69fc8ecf7 100644
--- a/compiler/rustc_codegen_ssa/src/target_features.rs
+++ b/compiler/rustc_codegen_ssa/src/target_features.rs
@@ -419,7 +419,7 @@ pub fn from_target_feature(
 
 /// Computes the set of target features used in a function for the purposes of
 /// inline assembly.
-fn asm_target_features<'tcx>(tcx: TyCtxt<'tcx>, did: DefId) -> &'tcx FxHashSet<Symbol> {
+fn asm_target_features(tcx: TyCtxt<'_>, did: DefId) -> &FxHashSet<Symbol> {
     let mut target_features = tcx.sess.unstable_target_features.clone();
     if tcx.def_kind(did).has_codegen_attrs() {
         let attrs = tcx.codegen_fn_attrs(did);