diff --git a/development/scons/scons_manifest.py b/development/scons/scons_manifest.py
index dcdc6700be..fd210f70b1 100644
--- a/development/scons/scons_manifest.py
+++ b/development/scons/scons_manifest.py
@@ -2573,7 +2573,6 @@ lib_examples_el_files = Split('''
 
 
 lib_examples_es_files = Split('''
-    beamer-conference-ornate20min.lyx
     Braille.lyx
     ejemplo_con_lyx.lyx
     ejemplo_sin_lyx.lyx