diff --git a/ripngd/ripng_route.c b/ripngd/ripng_route.c
index 9c3c4f9..d4bf026 100644
--- a/ripngd/ripng_route.c
+++ b/ripngd/ripng_route.c
@@ -31,7 +31,7 @@
 #include "ripngd/ripngd.h"
 #include "ripngd/ripng_route.h"
 
-struct ripng_aggregate *
+static struct ripng_aggregate *
 ripng_aggregate_new ()
 {
   struct ripng_aggregate *new;
@@ -40,7 +40,7 @@
   return new;
 }
 
-void
+static void
 ripng_aggregate_free (struct ripng_aggregate *aggregate)
 {
   XFREE (MTYPE_RIPNG_AGGREGATE, aggregate);