diff --git a/repos/os/src/server/nic_router/nat_rule.h b/repos/os/src/server/nic_router/nat_rule.h
index be1be378f5..4df5e5d79e 100644
--- a/repos/os/src/server/nic_router/nat_rule.h
+++ b/repos/os/src/server/nic_router/nat_rule.h
@@ -19,9 +19,6 @@
 #include <l3_protocol.h>
 #include <avl_tree.h>
 
-/* Genode includes */
-#include <util/avl_string.h>
-
 namespace Net {
 
 	class Domain;