diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs
index baf312b968638..3f01bf1f6136b 100644
--- a/compiler/rustc_passes/src/dead.rs
+++ b/compiler/rustc_passes/src/dead.rs
@@ -265,7 +265,11 @@ impl<'tcx> MarkSymbolVisitor<'tcx> {
             }
             self.insert_def_id(variant.fields[FieldIdx::from_usize(idx)].did);
         }
-        self.insert_def_id(variant.def_id);
+        if let Some(def_id) = variant.def_id.as_local() {
+            if should_explore(self.tcx, def_id) {
+                self.insert_def_id(variant.def_id);
+            }
+        }
     }
 
     fn handle_offset_of(&mut self, expr: &'tcx hir::Expr<'tcx>) {