--- xscreensaver-5.12/hacks/Makefile.in.list 2010-10-13 18:02:21.000000000 +0900
+++ xscreensaver-5.12/hacks/Makefile.in 2010-10-13 18:28:53.000000000 +0900
@@ -118,7 +118,7 @@
# Programs that are mentioned in XScreenSaver.ad, and that have XML files,
# but that are not shipped with xscreensaver itself.
#
-EXTERNALS = cosmos electricsheep extrusion fireflies goban \
+EXTERNALS = cosmos electricsheep fireflies goban \
sphereeversion ssystem xaos xdaliclock xearth xfishtank \
xmountains xplanet xsnow