diff --git a/helper/ndn-global-routing-helper.hpp b/helper/ndn-global-routing-helper.hpp
index 0e65810..b405838 100644
--- a/helper/ndn-global-routing-helper.hpp
+++ b/helper/ndn-global-routing-helper.hpp
@@ -96,26 +96,20 @@
 
   /**
    * @brief Calculate for every node shortest path trees and install routes to all prefix origins
-   *
-   * @param invalidatedRoutes flag indicating whether existing routes should be invalidated or keps
-   *as is
    */
   static void
-  CalculateRoutes(bool invalidatedRoutes = true);
+  CalculateRoutes();
 
   /**
    * @brief Calculate all possible next-hop independent alternative routes
    *
-   * @param invalidatedRoutes flag indicating whether existing routes should be invalidated or keps
-   *as is
-   *
    * Refer to the implementation for more details.
    *
    * Note that this method is highly experimental and should be used with caution (very time
    *consuming).
    */
   static void
-  CalculateAllPossibleRoutes(bool invalidatedRoutes = true);
+  CalculateAllPossibleRoutes();
 
 private:
   void