diff --git a/src/libsystemd/sd-netlink/netlink-types.h b/src/libsystemd/sd-netlink/netlink-types.h
index efc59a0a4b..45a2a383f5 100644
--- a/src/libsystemd/sd-netlink/netlink-types.h
+++ b/src/libsystemd/sd-netlink/netlink-types.h
@@ -36,8 +36,6 @@ struct NLTypeSystemUnion {
         const NLTypeSystem *type_systems;
 };
 
-extern const NLTypeSystem rtnl_type_system_root;
-extern const NLTypeSystem genl_type_system_root;
 extern const NLTypeSystem genl_family_type_system_root;
 
 uint16_t type_get_type(const NLType *type);