diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs
index 940887280b9..7a272308fb0 100644
--- a/compiler/rustc_ast_lowering/src/lib.rs
+++ b/compiler/rustc_ast_lowering/src/lib.rs
@@ -2064,17 +2064,13 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
                 )),
                 _ => None,
             });
-            if let ImplTraitContext::TypeAliasesOpaqueTy { ref mut capturable_lifetimes, .. } =
-                itctx
-            {
+            if let ImplTraitContext::TypeAliasesOpaqueTy { ref mut capturable_lifetimes } = itctx {
                 capturable_lifetimes.extend(lt_def_names.clone());
             }
 
             let res = this.lower_trait_ref(&p.trait_ref, itctx.reborrow());
 
-            if let ImplTraitContext::TypeAliasesOpaqueTy { ref mut capturable_lifetimes, .. } =
-                itctx
-            {
+            if let ImplTraitContext::TypeAliasesOpaqueTy { ref mut capturable_lifetimes } = itctx {
                 for param in lt_def_names {
                     capturable_lifetimes.remove(&param);
                 }
diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs
index 6886a0f4cf1..d84a96e40fb 100644
--- a/compiler/rustc_middle/src/mir/pretty.rs
+++ b/compiler/rustc_middle/src/mir/pretty.rs
@@ -657,7 +657,7 @@ pub fn write_allocations<'tcx>(
     }
     fn alloc_ids_from_const(val: ConstValue<'_>) -> impl Iterator<Item = AllocId> + '_ {
         match val {
-            ConstValue::Scalar(interpret::Scalar::Ptr(ptr, _size)) => {
+            ConstValue::Scalar(interpret::Scalar::Ptr(ptr, _)) => {
                 Either::Left(Either::Left(std::iter::once(ptr.provenance)))
             }
             ConstValue::Scalar(interpret::Scalar::Int { .. }) => {
diff --git a/compiler/rustc_privacy/src/lib.rs b/compiler/rustc_privacy/src/lib.rs
index b56cb86a18c..fd1c0239b59 100644
--- a/compiler/rustc_privacy/src/lib.rs
+++ b/compiler/rustc_privacy/src/lib.rs
@@ -852,7 +852,7 @@ impl ReachEverythingInTheInterfaceVisitor<'_, '_> {
                         self.visit(self.ev.tcx.type_of(param.def_id));
                     }
                 }
-                GenericParamDefKind::Const { has_default, .. } => {
+                GenericParamDefKind::Const { has_default } => {
                     self.visit(self.ev.tcx.type_of(param.def_id));
                     if has_default {
                         self.visit(self.ev.tcx.const_param_default(param.def_id));
diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
index b194e6a6d89..f2ddc3ea7fa 100644
--- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
+++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
@@ -405,7 +405,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> {
                 }
                 hir::Node::Item(hir::Item {
                     kind:
-                        hir::ItemKind::Trait(_, _, generics, _, _)
+                        hir::ItemKind::Trait(_, _, generics, ..)
                         | hir::ItemKind::Impl(hir::Impl { generics, .. }),
                     ..
                 }) if projection.is_some() => {
diff --git a/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs b/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs
index e46eccd61b1..b3213451d76 100644
--- a/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs
+++ b/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs
@@ -1403,7 +1403,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                             self.fcx.var_for_def(self.span, param)
                         }
                     }
-                    GenericParamDefKind::Const { has_default, .. } => {
+                    GenericParamDefKind::Const { has_default } => {
                         if !infer_args && has_default {
                             tcx.const_param_default(param.def_id)
                                 .subst_spanned(tcx, substs.unwrap(), Some(self.span))
diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs
index 0d1482ce470..fcece84b09f 100644
--- a/src/librustdoc/clean/mod.rs
+++ b/src/librustdoc/clean/mod.rs
@@ -451,7 +451,7 @@ impl Clean<GenericParamDef> for ty::GenericParamDef {
                     },
                 )
             }
-            ty::GenericParamDefKind::Const { has_default, .. } => (
+            ty::GenericParamDefKind::Const { has_default } => (
                 self.name,
                 GenericParamDefKind::Const {
                     did: self.def_id,