diff --git a/Makefile.in b/Makefile.in
index fd2bc13af..8587401a6 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -189,9 +189,6 @@ install-nmap: $(TARGET)
 	$(INSTALL) -c -m 644 nmap-protocols $(DESTDIR)$(nmapdatadir)/
 	$(INSTALL) -c -m 644 nmap-mac-prefixes $(DESTDIR)$(nmapdatadir)/
 
-$(ZENMAPDIR)/setup.py:
-	cd $(ZENMAPDIR) && install_scripts/unix/setup.sh
-
 # Update the version number used by Zenmap.
 $(ZENMAPDIR)/zenmapCore/Version.py $(ZENMAPDIR)/share/zenmap/config/zenmap_version: nmap.h
 	cd $(ZENMAPDIR) && $(PYTHON) install_scripts/utils/version_update.py "$(NMAP_VERSION)"