diff --git a/daemon/fw/self-learning-strategy.hpp b/daemon/fw/self-learning-strategy.hpp
index bb4f6f7..47e59af 100644
--- a/daemon/fw/self-learning-strategy.hpp
+++ b/daemon/fw/self-learning-strategy.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2021,  Regents of the University of California,
+ * Copyright (c) 2014-2022,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -136,9 +136,6 @@
    */
   void
   renewRoute(const Name& name, FaceId inFaceId, time::milliseconds maxLifetime);
-
-private:
-  static const time::milliseconds ROUTE_RENEW_LIFETIME;
 };
 
 } // namespace fw