diff --git a/development/scons/scons_manifest.py b/development/scons/scons_manifest.py
index 784b1ae34d..11060a945e 100644
--- a/development/scons/scons_manifest.py
+++ b/development/scons/scons_manifest.py
@@ -606,10 +606,6 @@ src_tex2lyx_files = Split('''
 
 
 src_tex2lyx_copied_header_files = Split('''
-    Layout.h
-    LayoutFile.h
-    LayoutModuleList.h
-    ModuleList.h
     TextClass.h
     insets/InsetLayout.h
 ''')