diff --git a/testsuite/autoconf.s/syntax.exp b/testsuite/autoconf.s/syntax.exp
index 95a4611..3c5738a 100644
--- a/testsuite/autoconf.s/syntax.exp
+++ b/testsuite/autoconf.s/syntax.exp
@@ -2,7 +2,7 @@
 
 send_user "Checking for syntax errors in the specific tests...\n"
 set script {s/^AC_DEFUN(\([^,]*\).*/\1/p}
-set macros [exec sed -n $script $srcdir/../acspecific.m4]
+set macros [exec sed -n $script $srcdir/../acspecific.m4 | grep -v -e AC_FUNC_GETLOADAVG -e F77]
 
 foreach mac $macros {
     send_user "$mac\n"