diff --git a/testsuite/gtk/Makefile.am b/testsuite/gtk/Makefile.am
index 06918f6988..66a3537cbf 100644
--- a/testsuite/gtk/Makefile.am
+++ b/testsuite/gtk/Makefile.am
@@ -8,7 +8,6 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/gdk		\
 	-I$(top_builddir)/gtk		\
 	-I$(top_srcdir)/gtk		\
-	-DSRCDIR=\""$(abs_srcdir)"\"	\
 	$(GTK_DEBUG_FLAGS)		\
 	$(GTK_DEP_CFLAGS)