diff --git a/Makefile.am b/Makefile.am
index 4b5536bd1..998a20b83 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -2,11 +2,6 @@ ACLOCAL_AMFLAGS = -I m4
 
 SUBDIRS = $(BULLETTREE) $(ENETTREE) src doc data
 
-EXTRA_DIST = \
- README.cygwin \
- README.macosx \
- README.windows
-
 pkgdatadir=$(datadir)/doc/$(PACKAGE)
 dist_pkgdata_DATA=AUTHORS ChangeLog COPYING README
 # NEWS only contains "see changelog"