diff --git a/development/scons/scons_manifest.py b/development/scons/scons_manifest.py
index 342ea18014..bb3282a629 100644
--- a/development/scons/scons_manifest.py
+++ b/development/scons/scons_manifest.py
@@ -2318,8 +2318,6 @@ lib_doc_files = Split('''
 
 
 lib_clipart_files = Split('''
-    Abstract.lyx
-    Abstract.pdf
     BoxInsetDefaultQt4.png
     buffer-export_pdf2.png
     buffer-view_dvi.png