--- Makefile.in.orig	2024-05-05 17:23:54 UTC
+++ Makefile.in
@@ -345,7 +345,6 @@ doc_DATA = \
 man_MANS = doc/cosmosmash.6
 doc_DATA = \
 	AUTHORS \
-	COPYING \
 	NEWS \
 	README \
 	THANKS