diff --git a/harbour/contrib/hbziparch/Makefile b/harbour/contrib/hbziparch/Makefile
index cc28ca918b..57e523d9cf 100644
--- a/harbour/contrib/hbziparch/Makefile
+++ b/harbour/contrib/hbziparch/Makefile
@@ -46,7 +46,5 @@ include $(TOP)$(ROOT)config/header.cf
 INSTALL_RULE_HEADERS := $(INSTALL_RULE)
 include $(TOP)$(ROOT)config/lib.cf
 
-CFLAGS := $(CFLAGS) -I../../include
-
 install::
 	$(INSTALL_RULE_HEADERS)