--- a/Makefile.am
+++ b/Makefile.am
@@ -1,7 +1,7 @@
 bin_PROGRAMS = netstat-nat
 netstat_nat_SOURCES = netstat-nat.c netstat-nat.h
 docdir = $(prefix)/share/doc/$(PACKAGE)-$(VERSION)
-doc_DATA = INSTALL NEWS README ChangeLog AUTHORS COPYING NEWS
+doc_DATA = NEWS README ChangeLog AUTHORS
 dist_man_MANS = netstat-nat.1
 EXTRA_DIST = netstat-nat.spec
 SUBDIRS =