diff --git a/include/sta/VertexId.hh b/include/sta/VertexId.hh
index a9c0939b..c6309cf2 100644
--- a/include/sta/VertexId.hh
+++ b/include/sta/VertexId.hh
@@ -18,5 +18,4 @@ typedef ObjectId VertexId;
 
 static constexpr VertexId vertex_id_null = object_id_null;
 
-} // Namespace
-#endif
+} // namespace