diff --git a/module/avl/avl.c b/module/avl/avl.c
index 3d36d4c87e..e53e2fa5df 100644
--- a/module/avl/avl.c
+++ b/module/avl/avl.c
@@ -908,7 +908,6 @@ avl_create(avl_tree_t *tree, int (*compar) (const void *, const void *),
 /*
  * Delete a tree.
  */
-/* ARGSUSED */
 void
 avl_destroy(avl_tree_t *tree)
 {