--- a/lib/gvpr/Makefile.am
+++ b/lib/gvpr/Makefile.am
@@ -19,8 +19,7 @@
 	-I$(top_srcdir)/lib/common \
 	-I$(top_builddir)/lib/common \
 	-I$(top_srcdir)/lib/cgraph \
-	-I$(top_srcdir)/lib/cdt \
-	-DDFLT_GVPRPATH='"$(DFLT_GVPRPATH)"'
+	-I$(top_srcdir)/lib/cdt
 
 pkginclude_HEADERS = gvpr.h
 noinst_HEADERS = actions.h compile.h gdefs.h gprdata.inc gprstate.h parse.h \
