diff --git a/quic/core/tls_handshaker.h b/quic/core/tls_handshaker.h
index 3d5f1e2..282c89d 100644
--- a/quic/core/tls_handshaker.h
+++ b/quic/core/tls_handshaker.h
@@ -44,13 +44,9 @@
     return parser_error_detail_;
   }
 
-  // From QuicCryptoStream
-  virtual bool encryption_established() const = 0;
-  virtual bool one_rtt_keys_available() const = 0;
-  virtual const QuicCryptoNegotiatedParameters& crypto_negotiated_params()
-      const = 0;
-  virtual CryptoMessageParser* crypto_message_parser() { return this; }
-  virtual HandshakeState GetHandshakeState() const = 0;
+  // The following methods provide implementations to subclasses of
+  // TlsHandshaker which use them to implement methods of QuicCryptoStream.
+  CryptoMessageParser* crypto_message_parser() { return this; }
   size_t BufferSizeLimitForLevel(EncryptionLevel level) const;
 
  protected: