diff --git a/acconfig.h b/acconfig.h
index 55a2e430..30a4c569 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -15,6 +15,10 @@
 #undef PATH_TO_SNMPGET
 #undef PATH_TO_SNMPGETNEXT
 #undef PATH_TO_UPTIME
+#undef PATH_TO_RPCINFO
+#undef PATH_TO_NTPDATE
+#undef PATH_TO_NTPDC
+#undef PATH_TO_LMSTAT
 #undef PING_COMMAND
 #undef PING_PACKETS_FIRST
 #undef POSIX_STATE_DEFS