diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs
index 09d5b102103..c2e99224d8b 100644
--- a/compiler/rustc_middle/src/hir/map/mod.rs
+++ b/compiler/rustc_middle/src/hir/map/mod.rs
@@ -31,7 +31,7 @@ pub struct Entry<'hir> {
 impl<'hir> Entry<'hir> {
     fn parent_node(self) -> Option<HirId> {
         match self.node {
-            Node::Crate(_) | Node::MacroDef(_) => None,
+            Node::Crate(_) => None,
             _ => Some(self.parent),
         }
     }