diff --git a/development/scons/scons_manifest.py b/development/scons/scons_manifest.py
index 2b57f0268e..19bcfc0269 100644
--- a/development/scons/scons_manifest.py
+++ b/development/scons/scons_manifest.py
@@ -436,7 +436,6 @@ src_graphics_header_files = Split('''
     GraphicsLoader.h
     GraphicsParams.h
     GraphicsTypes.h
-    LoaderQueue.h
     PreviewImage.h
     PreviewLoader.h
     Previews.h
@@ -451,7 +450,6 @@ src_graphics_files = Split('''
     GraphicsLoader.cpp
     GraphicsParams.cpp
     GraphicsTypes.cpp
-    LoaderQueue.cpp
     PreviewImage.cpp
     PreviewLoader.cpp
     Previews.cpp