diff --git a/src/lay/lay/layMacroEditorDialog.cc b/src/lay/lay/layMacroEditorDialog.cc
index 209dbd268..0f252d9d8 100644
--- a/src/lay/lay/layMacroEditorDialog.cc
+++ b/src/lay/lay/layMacroEditorDialog.cc
@@ -2791,9 +2791,6 @@ MacroEditorDialog::start_exec (gsi::Interpreter *ec)
   try {
 
     m_file_to_widget.clear ();
-    m_include_expanders.clear ();
-    m_include_paths_to_ids.clear ();
-    m_include_file_id_cache.clear ();
 
     m_last_process_events = tl::Clock::current ();