diff --git a/Makefile b/Makefile
index 2b763ff..d684b7b 100644
--- a/Makefile
+++ b/Makefile
@@ -55,7 +55,6 @@ install-data:
 
 install-docs:
 	install -m 755 -d -- $(DESTDIR)$(DOCSDIR)
-	cp -fpR doc $(DESTDIR)$(DOCSDIR)
 	install -c -m 644 README $(DESTDIR)$(DOCSDIR)/README
 	install -c -m 644 RELEASE-NOTES $(DESTDIR)$(DOCSDIR)/RELEASE-NOTES
 	install -c -m 644 doc/RETRO-Book.md $(DESTDIR)$(DOCSDIR)/RETRO-Book.md