diff --git a/clippy_lints/src/loops.rs b/clippy_lints/src/loops.rs
index b4d2e921e050..cfe031d6cf77 100644
--- a/clippy_lints/src/loops.rs
+++ b/clippy_lints/src/loops.rs
@@ -1647,7 +1647,7 @@ fn check_for_mutability(cx: &LateContext<'_, '_>, bound: &Expr) -> Option<HirId>
         then {
             let res = cx.tables.qpath_res(qpath, bound.hir_id);
             if let Res::Local(node_id) = res {
-                let node_str = cx.tcx.hir().get_by_hir_id(node_id);
+                let node_str = cx.tcx.hir().get(node_id);
                 if_chain! {
                     if let Node::Binding(pat) = node_str;
                     if let PatKind::Binding(bind_ann, ..) = pat.node;
diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs
index 1bcdbfec5900..304a39cfd49f 100644
--- a/clippy_lints/src/methods/mod.rs
+++ b/clippy_lints/src/methods/mod.rs
@@ -1424,7 +1424,7 @@ fn lint_clone_on_copy(cx: &LateContext<'_, '_>, expr: &hir::Expr, arg: &hir::Exp
                 snip = Some(("try removing the `clone` call", format!("{}", snippet)));
             } else {
                 let parent = cx.tcx.hir().get_parent_node_by_hir_id(expr.hir_id);
-                match cx.tcx.hir().get_by_hir_id(parent) {
+                match cx.tcx.hir().get(parent) {
                     hir::Node::Expr(parent) => match parent.node {
                         // &*x is a nop, &x.clone() is not
                         hir::ExprKind::AddrOf(..) |
diff --git a/clippy_lints/src/needless_bool.rs b/clippy_lints/src/needless_bool.rs
index a9b917054830..d43eaf09be02 100644
--- a/clippy_lints/src/needless_bool.rs
+++ b/clippy_lints/src/needless_bool.rs
@@ -116,7 +116,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NeedlessBool {
 
 fn parent_node_is_if_expr<'a, 'b>(expr: &Expr, cx: &LateContext<'a, 'b>) -> bool {
     let parent_id = cx.tcx.hir().get_parent_node_by_hir_id(expr.hir_id);
-    let parent_node = cx.tcx.hir().get_by_hir_id(parent_id);
+    let parent_node = cx.tcx.hir().get(parent_id);
 
     if let rustc::hir::Node::Expr(e) = parent_node {
         if higher::if_block(&e).is_some() {
diff --git a/clippy_lints/src/suspicious_trait_impl.rs b/clippy_lints/src/suspicious_trait_impl.rs
index a480d98b2fd1..870805894656 100644
--- a/clippy_lints/src/suspicious_trait_impl.rs
+++ b/clippy_lints/src/suspicious_trait_impl.rs
@@ -67,7 +67,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for SuspiciousImpl {
             // as a child node
             let mut parent_expr = cx.tcx.hir().get_parent_node_by_hir_id(expr.hir_id);
             while parent_expr != hir::CRATE_HIR_ID {
-                if let hir::Node::Expr(e) = cx.tcx.hir().get_by_hir_id(parent_expr) {
+                if let hir::Node::Expr(e) = cx.tcx.hir().get(parent_expr) {
                     match e.node {
                         hir::ExprKind::Binary(..)
                         | hir::ExprKind::Unary(hir::UnOp::UnNot, _)
diff --git a/clippy_lints/src/utils/mod.rs b/clippy_lints/src/utils/mod.rs
index f8c8da0a36c2..a12225e7e484 100644
--- a/clippy_lints/src/utils/mod.rs
+++ b/clippy_lints/src/utils/mod.rs
@@ -66,7 +66,7 @@ pub fn differing_macro_contexts(lhs: Span, rhs: Span) -> bool {
 /// ```
 pub fn in_constant(cx: &LateContext<'_, '_>, id: HirId) -> bool {
     let parent_id = cx.tcx.hir().get_parent_item(id);
-    match cx.tcx.hir().get_by_hir_id(parent_id) {
+    match cx.tcx.hir().get(parent_id) {
         Node::Item(&Item {
             node: ItemKind::Const(..),
             ..
@@ -320,7 +320,7 @@ pub fn trait_ref_of_method<'tcx>(cx: &LateContext<'_, 'tcx>, hir_id: HirId) -> O
     let parent_impl = cx.tcx.hir().get_parent_item(hir_id);
     if_chain! {
         if parent_impl != hir::CRATE_HIR_ID;
-        if let hir::Node::Item(item) = cx.tcx.hir().get_by_hir_id(parent_impl);
+        if let hir::Node::Item(item) = cx.tcx.hir().get(parent_impl);
         if let hir::ItemKind::Impl(_, _, _, _, trait_ref, _, _) = &item.node;
         then { return trait_ref.as_ref(); }
     }