diff --git a/reactos/rules.mak b/reactos/rules.mak
index e23920f6fc7..4ef0db56021 100644
--- a/reactos/rules.mak
+++ b/reactos/rules.mak
@@ -86,7 +86,7 @@ CPP = $(PREFIX)cpp
 AR = $(PREFIX)ar
 RC = $(PREFIX)windres
 WRC = $(WINE_TOP)/tools/wrc/wrc
-RCINC = --include-dir $(PATH_TO_TOP)/include
+# already defined via makefile "helper.mk": RCINC = --include-dir $(PATH_TO_TOP)/include
 OBJCOPY = $(PREFIX)objcopy
 OBJDUMP =$(PREFIX)objdump
 TOOLS_PATH = $(PATH_TO_TOP)/tools