--- a/config.mk
+++ b/config.mk
@@ -172,10 +172,6 @@ endif
CFLAGS_OPTIONS := $(CFLAGS)
ifeq (${USEGTK3}, 1)
-CPPFLAGS+=-DGTK_DISABLE_SINGLE_INCLUDES
-CPPFLAGS+=-DGTK_DISABLE_DEPRECATED
-CPPFLAGS+=-DGDK_DISABLE_DEPRECATED
-CPPFLAGS+=-DGSEAL_ENABLE
M4FLAGS += -DWITH_GTK3=1
endif