--- src/Makefile.orig	2019-04-06 15:47:18 UTC
+++ src/Makefile
@@ -142,7 +142,7 @@ APP_TARGET = $(EBIN)/$(APP_FILE)
 # ----------------------------------------------------
 # FLAGS
 # ----------------------------------------------------
-ERL_COMPILE_FLAGS += -Werror -I ../.. -I../_deps $(TYPE_FLAGS) \
+ERL_COMPILE_FLAGS += -I .. -I../_deps $(TYPE_FLAGS) \
 '-Dwings_version="$(WINGS_VSN)"' -pa $(WINGS_INTL)
 
 # ----------------------------------------------------
