diff --git a/quic/test_tools/crypto_test_utils_test.cc b/quic/test_tools/crypto_test_utils_test.cc
index e7f9679..2335d67 100644
--- a/quic/test_tools/crypto_test_utils_test.cc
+++ b/quic/test_tools/crypto_test_utils_test.cc
@@ -68,12 +68,12 @@
    public:
     explicit ProcessClientHelloCallback(ShloVerifier* shlo_verifier)
         : shlo_verifier_(shlo_verifier) {}
-    void Run(
-        QuicErrorCode error,
-        const std::string& error_details,
-        std::unique_ptr<CryptoHandshakeMessage> message,
-        std::unique_ptr<DiversificationNonce> diversification_nonce,
-        std::unique_ptr<ProofSource::Details> proof_source_details) override {
+    void Run(QuicErrorCode /*error*/,
+             const std::string& /*error_details*/,
+             std::unique_ptr<CryptoHandshakeMessage> message,
+             std::unique_ptr<DiversificationNonce> /*diversification_nonce*/,
+             std::unique_ptr<ProofSource::Details> /*proof_source_details*/)
+        override {
       shlo_verifier_->ProcessClientHelloDone(std::move(message));
     }