diff --git a/clippy_lints/src/loops/needless_range_loop.rs b/clippy_lints/src/loops/needless_range_loop.rs
index 72e86804ed2..6ed141fa4a5 100644
--- a/clippy_lints/src/loops/needless_range_loop.rs
+++ b/clippy_lints/src/loops/needless_range_loop.rs
@@ -59,7 +59,7 @@ pub(super) fn check<'tcx>(
                 if let Some(indexed_extent) = indexed_extent {
                     let parent_def_id = cx.tcx.hir().get_parent_item(expr.hir_id);
                     let region_scope_tree = cx.tcx.region_scope_tree(parent_def_id);
-                    let pat_extent = region_scope_tree.var_scope(pat.hir_id.local_id);
+                    let pat_extent = region_scope_tree.var_scope(pat.hir_id.local_id).unwrap();
                     if region_scope_tree.is_subscope_of(indexed_extent, pat_extent) {
                         return;
                     }
@@ -262,7 +262,7 @@ impl<'a, 'tcx> VarVisitor<'a, 'tcx> {
                 match res {
                     Res::Local(hir_id) => {
                         let parent_def_id = self.cx.tcx.hir().get_parent_item(expr.hir_id);
-                        let extent = self.cx.tcx.region_scope_tree(parent_def_id).var_scope(hir_id.local_id);
+                        let extent = self.cx.tcx.region_scope_tree(parent_def_id).var_scope(hir_id.local_id).unwrap();
                         if index_used_directly {
                             self.indexed_directly.insert(
                                 seqvar.segments[0].ident.name,
diff --git a/clippy_lints/src/shadow.rs b/clippy_lints/src/shadow.rs
index 11882585044..1ab7f52110c 100644
--- a/clippy_lints/src/shadow.rs
+++ b/clippy_lints/src/shadow.rs
@@ -160,8 +160,8 @@ impl<'tcx> LateLintPass<'tcx> for Shadow {
 
 fn is_shadow(cx: &LateContext<'_>, owner: LocalDefId, first: ItemLocalId, second: ItemLocalId) -> bool {
     let scope_tree = cx.tcx.region_scope_tree(owner.to_def_id());
-    let first_scope = scope_tree.var_scope(first);
-    let second_scope = scope_tree.var_scope(second);
+    let first_scope = scope_tree.var_scope(first).unwrap();
+    let second_scope = scope_tree.var_scope(second).unwrap();
     scope_tree.is_subscope_of(second_scope, first_scope)
 }