--- a/configure.ac
+++ b/configure.ac
@@ -29,7 +29,6 @@
 AC_PROG_INTLTOOL
 
 # ========== export compiler / linker options ======== #
-CFLAGS+=" -DGDK_PIXBUF_DISABLE_DEPRECATED -DGDK_DISABLE_DEPRECATED -DGTK_DISABLE_DEPRECATED -DG_DISABLE_DEPRECATED"
 AC_SUBST(CFLAGS)
 AC_SUBST(CPPFLAGS)
 AC_SUBST(LDFLAGS)