Index: data/CMakeLists.txt
--- data/CMakeLists.txt.orig
+++ data/CMakeLists.txt
@@ -8,9 +8,7 @@ set(CATACLYSM_DATA_DIRS
         credits
         title
         core
-        screenshots
-        xdg
-        help)
+        screenshots)
 
 if (SOUND)
     list(APPEND CATACLYSM_DATA_DIRS sound)
