--- GNUmakefile.orig	2017-12-22 05:00:34 UTC
+++ GNUmakefile
@@ -41,7 +41,7 @@ INSTALL_DIR = $(INSTALL) -d -m755
 RM = rm -f
 
 VALAPKGS = --pkg gtk+-3.0 --pkg webkit2gtk-4.0 --vapidir src --pkg libmarkdown
-CWARNFLAGS = -Wno-incompatible-pointer-types -Wno-discarded-qualifiers
+CWARNFLAGS = -Wno-discarded-qualifiers
 
 VALAFLAGS = \
     --target-glib=2.48 \