diff --git a/quic/core/tls_handshaker_test.cc b/quic/core/tls_handshaker_test.cc
index 12b3299..03a899f 100644
--- a/quic/core/tls_handshaker_test.cc
+++ b/quic/core/tls_handshaker_test.cc
@@ -181,6 +181,7 @@
   }
 
   void OnPacketDecrypted(EncryptionLevel /*level*/) override {}
+  void OnOneRttPacketAcknowledged() override {}
 
   HandshakeState GetHandshakeState() const override {
     return handshaker()->GetHandshakeState();