diff --git a/src/detail/new-renew-revoke-encoder.hpp b/src/detail/new-renew-revoke-encoder.hpp
index 2b8e0e2..25a9989 100644
--- a/src/detail/new-renew-revoke-encoder.hpp
+++ b/src/detail/new-renew-revoke-encoder.hpp
@@ -37,12 +37,12 @@
 
 Block
 encodeDataContent(const std::vector<uint8_t>& ecdhKey, const std::array<uint8_t, 32>& salt,
-                  const RequestId& requestId, const Status& status,
+                  const RequestId& requestId,
                   const std::vector<std::string>& challenges);
 
 std::list<std::string>
 decodeDataContent(const Block& content, std::vector<uint8_t>& ecdhKey,
-                  std::array<uint8_t, 32>& salt, RequestId& requestId, Status& status);
+                  std::array<uint8_t, 32>& salt, RequestId& requestId);
 
 } // namespace requesttlv
 } // namespace ndncert